diff --git a/application/controllers/GroupController.php b/application/controllers/GroupController.php
index ee692e109..0f0e9514d 100644
--- a/application/controllers/GroupController.php
+++ b/application/controllers/GroupController.php
@@ -131,7 +131,7 @@ class GroupController extends AuthBackendController
             $removeForm->addElement('button', 'btn_submit', array(
                 'escape'        => false,
                 'type'          => 'submit',
-                'class'         => 'link-like',
+                'class'         => 'link-like spinner',
                 'value'         => 'btn_submit',
                 'decorators'    => array('ViewHelper'),
                 'label'         => $this->view->icon('trash'),
diff --git a/application/controllers/UserController.php b/application/controllers/UserController.php
index 46c1b5381..a5fec106a 100644
--- a/application/controllers/UserController.php
+++ b/application/controllers/UserController.php
@@ -137,7 +137,7 @@ class UserController extends AuthBackendController
             $removeForm->addElement('button', 'btn_submit', array(
                 'escape'        => false,
                 'type'          => 'submit',
-                'class'         => 'link-like',
+                'class'         => 'link-like spinner',
                 'value'         => 'btn_submit',
                 'decorators'    => array('ViewHelper'),
                 'label'         => $this->view->icon('trash'),
diff --git a/application/forms/Authentication/LoginForm.php b/application/forms/Authentication/LoginForm.php
index f7bae3d1b..9646046f6 100644
--- a/application/forms/Authentication/LoginForm.php
+++ b/application/forms/Authentication/LoginForm.php
@@ -27,6 +27,7 @@ class LoginForm extends Form
         $this->setRequiredCue(null);
         $this->setName('form_login');
         $this->setSubmitLabel($this->translate('Login'));
+        $this->setProgressLabel($this->translate('Logging in'));
     }
 
     /**
diff --git a/application/forms/Config/General/ApplicationConfigForm.php b/application/forms/Config/General/ApplicationConfigForm.php
index 618178344..4e431aab2 100644
--- a/application/forms/Config/General/ApplicationConfigForm.php
+++ b/application/forms/Config/General/ApplicationConfigForm.php
@@ -25,6 +25,20 @@ class ApplicationConfigForm extends Form
      */
     public function createElements(array $formData)
     {
+        $this->addElement(
+            'checkbox',
+            'global_show_stacktraces',
+            array(
+                'required'      => true,
+                'value'         => true,
+                'label'         => $this->translate('Show Stacktraces'),
+                'description'   => $this->translate(
+                    'Set whether to show an exception\'s stacktrace by default. This can also'
+                    . ' be set in a user\'s preferences with the appropriate permission.'
+                )
+            )
+        );
+
         $this->addElement(
             'text',
             'global_module_path',
diff --git a/application/forms/Config/Resource/LdapResourceForm.php b/application/forms/Config/Resource/LdapResourceForm.php
index c6e452d2c..d20ec55af 100644
--- a/application/forms/Config/Resource/LdapResourceForm.php
+++ b/application/forms/Config/Resource/LdapResourceForm.php
@@ -81,22 +81,6 @@ class LdapResourceForm extends Form
             )
         );
 
-        if (isset($formData['encryption']) && $formData['encryption'] !== 'none') {
-            // TODO(jom): Do not show this checkbox unless the connection is actually failing due to certificate errors
-            $this->addElement(
-                'checkbox',
-                'reqcert',
-                array(
-                    'required'      => true,
-                    'label'         => $this->translate('Require Certificate'),
-                    'description'   => $this->translate(
-                        'When checked, the LDAP server must provide a valid and known (trusted) certificate.'
-                    ),
-                    'value'         => 1
-                )
-            );
-        }
-
         $this->addElement(
             'text',
             'root_dn',
diff --git a/application/forms/Config/ResourceConfigForm.php b/application/forms/Config/ResourceConfigForm.php
index 51e1b1bff..db951e67a 100644
--- a/application/forms/Config/ResourceConfigForm.php
+++ b/application/forms/Config/ResourceConfigForm.php
@@ -344,9 +344,10 @@ class ResourceConfigForm extends ConfigForm
             'submit',
             'resource_validation',
             array(
-                'ignore'        => true,
-                'label'         => $this->translate('Validate Configuration'),
-                'decorators'    => array('ViewHelper')
+                'ignore'                => true,
+                'label'                 => $this->translate('Validate Configuration'),
+                'data-progress-label'   => $this->translate('Validation In Progress'),
+                'decorators'            => array('ViewHelper')
             )
         );
         $this->addDisplayGroup(
diff --git a/application/forms/Config/UserBackendConfigForm.php b/application/forms/Config/UserBackendConfigForm.php
index 5ee4674bb..1183ae724 100644
--- a/application/forms/Config/UserBackendConfigForm.php
+++ b/application/forms/Config/UserBackendConfigForm.php
@@ -464,9 +464,10 @@ class UserBackendConfigForm extends ConfigForm
             'submit',
             'backend_validation',
             array(
-                'ignore'        => true,
-                'label'         => $this->translate('Validate Configuration'),
-                'decorators'    => array('ViewHelper')
+                'ignore'                => true,
+                'label'                 => $this->translate('Validate Configuration'),
+                'data-progress-label'   => $this->translate('Validation In Progress'),
+                'decorators'            => array('ViewHelper')
             )
         );
         $this->addDisplayGroup(
diff --git a/application/forms/PreferenceForm.php b/application/forms/PreferenceForm.php
index b329ae1d4..e9aca1d26 100644
--- a/application/forms/PreferenceForm.php
+++ b/application/forms/PreferenceForm.php
@@ -5,6 +5,7 @@ namespace Icinga\Forms;
 
 use Exception;
 use DateTimeZone;
+use Icinga\Application\Config;
 use Icinga\Application\Logger;
 use Icinga\Authentication\Auth;
 use Icinga\User\Preferences;
@@ -178,6 +179,19 @@ class PreferenceForm extends Form
             )
         );
 
+        if (Auth::getInstance()->hasPermission('application/stacktraces')) {
+            $this->addElement(
+                'checkbox',
+                'show_stacktraces',
+                array(
+                    'required'      => true,
+                    'value'         => $this->getDefaultShowStacktraces(),
+                    'label'         => $this->translate('Show Stacktraces'),
+                    'description'   => $this->translate('Set whether to show an exception\'s stacktrace.')
+                )
+            );
+        }
+
         $this->addElement(
             'checkbox',
             'show_benchmark',
@@ -220,8 +234,20 @@ class PreferenceForm extends Form
             )
         );
 
+        $this->setAttrib('data-progress-element', 'preferences-progress');
+        $this->addElement(
+            'note',
+            'preferences-progress',
+            array(
+                'decorators'    => array(
+                    'ViewHelper',
+                    array('Spinner', array('id' => 'preferences-progress'))
+                )
+            )
+        );
+
         $this->addDisplayGroup(
-            array('btn_submit_preferences', 'btn_submit_session'),
+            array('btn_submit_preferences', 'btn_submit_session', 'preferences-progress'),
             'submit_buttons',
             array(
                 'decorators' => array(
@@ -257,4 +283,14 @@ class PreferenceForm extends Form
         $locale = Translator::getPreferredLocaleCode($_SERVER['HTTP_ACCEPT_LANGUAGE']);
         return $locale;
     }
+
+    /**
+     * Return the default global setting for show_stacktraces
+     *
+     * @return  bool
+     */
+    protected function getDefaultShowStacktraces()
+    {
+        return Config::app()->get('global', 'show_stacktraces', true);
+    }
 }
diff --git a/application/forms/Security/RoleForm.php b/application/forms/Security/RoleForm.php
index dba7ebe9f..212776bac 100644
--- a/application/forms/Security/RoleForm.php
+++ b/application/forms/Security/RoleForm.php
@@ -20,35 +20,7 @@ class RoleForm extends ConfigForm
      *
      * @var array
      */
-    protected $providedPermissions = array(
-        '*'                                             => 'Allow everything (*)',
-        'config/*'                                      => 'Allow config access (config/*)',
-/*
-        // [tg] seems excessive for me, hidden for rc1, tbd
-        'config/application/*'                          => 'config/application/*',
-        'config/application/general'                    => 'config/application/general',
-        'config/application/resources'                  => 'config/application/resources',
-        'config/application/userbackend'                => 'config/application/userbackend',
-        'config/application/usergroupbackend'           => 'config/application/usergroupbackend',
-        'config/authentication/*'                       => 'config/authentication/*',
-        'config/authentication/users/*'                 => 'config/authentication/users/*',
-        'config/authentication/users/show'              => 'config/authentication/users/show',
-        'config/authentication/users/add'               => 'config/authentication/users/add',
-        'config/authentication/users/edit'              => 'config/authentication/users/edit',
-        'config/authentication/users/remove'            => 'config/authentication/users/remove',
-        'config/authentication/groups/*'                => 'config/authentication/groups/*',
-        'config/authentication/groups/show'             => 'config/authentication/groups/show',
-        'config/authentication/groups/add'              => 'config/authentication/groups/add',
-        'config/authentication/groups/edit'             => 'config/authentication/groups/edit',
-        'config/authentication/groups/remove'           => 'config/authentication/groups/remove',
-        'config/authentication/roles/*'                 => 'config/authentication/roles/*',
-        'config/authentication/roles/show'              => 'config/authentication/roles/show',
-        'config/authentication/roles/add'               => 'config/authentication/roles/add',
-        'config/authentication/roles/edit'              => 'config/authentication/roles/edit',
-        'config/authentication/roles/remove'            => 'config/authentication/roles/remove',
-        'config/modules'                                => 'config/modules'
-*/
-    );
+    protected $providedPermissions;
 
     /**
      * Provided restrictions by currently loaded modules
@@ -62,6 +34,40 @@ class RoleForm extends ConfigForm
      */
     public function init()
     {
+        $this->providedPermissions = array(
+            '*'                                             => $this->translate('Allow everything') . ' (*)',
+            'application/stacktraces'                       => $this->translate(
+                'Allow to adjust in the preferences whether to show stacktraces'
+            ) . ' (application/stacktraces)',
+            'config/*'                                      => $this->translate('Allow config access') . ' (config/*)',
+/*
+            // [tg] seems excessive for me, hidden for rc1, tbd
+            'config/application/*'                          => 'config/application/*',
+            'config/application/general'                    => 'config/application/general',
+            'config/application/resources'                  => 'config/application/resources',
+            'config/application/userbackend'                => 'config/application/userbackend',
+            'config/application/usergroupbackend'           => 'config/application/usergroupbackend',
+            'config/authentication/*'                       => 'config/authentication/*',
+            'config/authentication/users/*'                 => 'config/authentication/users/*',
+            'config/authentication/users/show'              => 'config/authentication/users/show',
+            'config/authentication/users/add'               => 'config/authentication/users/add',
+            'config/authentication/users/edit'              => 'config/authentication/users/edit',
+            'config/authentication/users/remove'            => 'config/authentication/users/remove',
+            'config/authentication/groups/*'                => 'config/authentication/groups/*',
+            'config/authentication/groups/show'             => 'config/authentication/groups/show',
+            'config/authentication/groups/add'              => 'config/authentication/groups/add',
+            'config/authentication/groups/edit'             => 'config/authentication/groups/edit',
+            'config/authentication/groups/remove'           => 'config/authentication/groups/remove',
+            'config/authentication/roles/*'                 => 'config/authentication/roles/*',
+            'config/authentication/roles/show'              => 'config/authentication/roles/show',
+            'config/authentication/roles/add'               => 'config/authentication/roles/add',
+            'config/authentication/roles/edit'              => 'config/authentication/roles/edit',
+            'config/authentication/roles/remove'            => 'config/authentication/roles/remove',
+            'config/modules'                                => 'config/modules'
+*/
+        );
+        
+        
         $helper = new Zend_Form_Element('bogus');
         $mm = Icinga::app()->getModuleManager();
         foreach ($mm->listInstalledModules() as $moduleName) {
diff --git a/application/views/scripts/form/reorder-authbackend.phtml b/application/views/scripts/form/reorder-authbackend.phtml
index ec1cf7810..4edc7e06f 100644
--- a/application/views/scripts/form/reorder-authbackend.phtml
+++ b/application/views/scripts/form/reorder-authbackend.phtml
@@ -39,7 +39,7 @@
         </td>
         <td data-base-target="_self">
 <?php if ($i > 0): ?>
-          <button type="submit" name="backend_newpos" class="link-like icon-only" value="<?= sprintf(
+          <button type="submit" name="backend_newpos" class="link-like icon-only animated move-up" value="<?= sprintf(
             '%s|%s',
             $backendNames[$i],
             $i - 1
@@ -53,7 +53,7 @@
           </button>
 <?php endif; ?>
 <?php if ($i + 1 < count($backendNames)): ?>
-          <button type="submit" name="backend_newpos" class="link-like icon-only" value="<?= sprintf(
+          <button type="submit" name="backend_newpos" class="link-like icon-only animated move-down" value="<?= sprintf(
             '%s|%s',
             $backendNames[$i],
             $i + 1
diff --git a/library/Icinga/Application/Web.php b/library/Icinga/Application/Web.php
index ead692876..ce5e817e6 100644
--- a/library/Icinga/Application/Web.php
+++ b/library/Icinga/Application/Web.php
@@ -212,9 +212,19 @@ class Web extends EmbeddedWeb
         $this->frontController = Zend_Controller_Front::getInstance();
         $this->frontController->setRequest($this->getRequest());
         $this->frontController->setControllerDirectory($this->getApplicationDir('/controllers'));
+
+        $displayExceptions = $this->config->get('global', 'show_stacktraces', true);
+        if ($this->user !== null && $this->user->can('application/stacktraces')) {
+            $displayExceptions = $this->user->getPreferences()->getValue(
+                'icingaweb',
+                'show_stacktraces',
+                $displayExceptions
+            );
+        }
+
         $this->frontController->setParams(
             array(
-                'displayExceptions' => true
+                'displayExceptions' => $displayExceptions
             )
         );
         return $this;
diff --git a/library/Icinga/Cli/Loader.php b/library/Icinga/Cli/Loader.php
index debf52be9..cd376480f 100644
--- a/library/Icinga/Cli/Loader.php
+++ b/library/Icinga/Cli/Loader.php
@@ -273,30 +273,10 @@ class Loader
 
     protected function searchMatch($needle, $haystack)
     {
-        $stack = $haystack;
-        $search = $needle;
-        $this->lastSuggestions = array();
-        while (strlen($search) > 0) {
-            $len = strlen($search);
-            foreach ($stack as & $s) {
-                $s = substr($s, 0, $len);
-            }
-
-            $res = array_keys($stack, $search, true);
-            if (count($res) === 1) {
-                $found = $haystack[$res[0]];
-                if (substr($found, 0, strlen($needle)) === $needle) {
-                    return $found;
-                } else {
-                    return false;
-                }
-            } elseif (count($res) > 1) {
-                foreach ($res as $key) {
-                    $this->lastSuggestions[] = $haystack[$key];
-                }
-                return false;
-            }
-            $search = substr($search, 0, -1);
+        $this->lastSuggestions = preg_grep(sprintf('/^%s.*$/', preg_quote($needle, '/')), $haystack);
+        $match = array_search($needle, $haystack, true);
+        if (false !== $match) {
+            return $haystack[$match];
         }
         return false;
     }
diff --git a/library/Icinga/Protocol/Ldap/LdapConnection.php b/library/Icinga/Protocol/Ldap/LdapConnection.php
index 841e855da..13036f847 100644
--- a/library/Icinga/Protocol/Ldap/LdapConnection.php
+++ b/library/Icinga/Protocol/Ldap/LdapConnection.php
@@ -122,13 +122,6 @@ class LdapConnection implements Selectable, Inspectable
      */
     protected $rootDn;
 
-    /**
-     * Whether to load the configuration for strict certificate validation or the one for non-strict validation
-     *
-     * @var bool
-     */
-    protected $validateCertificate;
-
     /**
      * Whether the bind on this connection has already been performed
      *
@@ -176,7 +169,6 @@ class LdapConnection implements Selectable, Inspectable
         $this->bindPw = $config->bind_pw;
         $this->rootDn = $config->root_dn;
         $this->port = $config->get('port', 389);
-        $this->validateCertificate = (bool) $config->get('reqcert', true);
 
         $this->encryption = $config->encryption;
         if ($this->encryption !== null) {
@@ -957,16 +949,9 @@ class LdapConnection implements Selectable, Inspectable
             $info = new Inspection('');
         }
 
-        if ($this->encryption === static::STARTTLS || $this->encryption === static::LDAPS) {
-            $this->prepareTlsEnvironment();
-        }
-
         $hostname = $this->hostname;
         if ($this->encryption === static::LDAPS) {
             $info->write('Connect using LDAPS');
-            if (! $this->validateCertificate) {
-                $info->write('Skip certificate validation');
-            }
             $hostname = 'ldaps://' . $hostname;
         }
 
@@ -983,9 +968,6 @@ class LdapConnection implements Selectable, Inspectable
         if ($this->encryption === static::STARTTLS) {
             $this->encrypted = true;
             $info->write('Connect using STARTTLS');
-            if (! $this->validateCertificate) {
-                $info->write('Skip certificate validation');
-            }
             if (! ldap_start_tls($ds)) {
                 throw new LdapException('LDAP STARTTLS failed: %s', ldap_error($ds));
             }
@@ -998,30 +980,6 @@ class LdapConnection implements Selectable, Inspectable
         return $ds;
     }
 
-    /**
-     * Set up how to handle StartTLS connections
-     *
-     * @throws  LdapException   In case the LDAPRC environment variable cannot be set
-     */
-    protected function prepareTlsEnvironment()
-    {
-        // TODO: allow variable known CA location (system VS Icinga)
-        if (Platform::isWindows()) {
-            putenv('LDAPTLS_REQCERT=never');
-        } else {
-            if ($this->validateCertificate) {
-                $ldap_conf = $this->getConfigDir('ldap_ca.conf');
-            } else {
-                $ldap_conf = $this->getConfigDir('ldap_nocert.conf');
-            }
-
-            putenv('LDAPRC=' . $ldap_conf); // TODO: Does not have any effect
-            if (getenv('LDAPRC') !== $ldap_conf) {
-                throw new LdapException('putenv failed');
-            }
-        }
-    }
-
     /**
      * Create an LDAP entry
      *
@@ -1103,6 +1061,13 @@ class LdapConnection implements Selectable, Inspectable
         try {
             $ds = $this->prepareNewConnection($insp);
         } catch (Exception $e) {
+            if ($this->encryption === 'starttls') {
+                // The Exception does not return any proper error messages in case of certificate errors. Connecting
+                // by STARTTLS will usually fail at this point when the certificate is unknown,
+                // so at least try to give some hints.
+                $insp->write('NOTE: There might be an issue with the chosen encryption. Ensure that the LDAP-Server ' .
+                    'supports STARTTLS and that the LDAP-Client is configured to accept its certificate.');
+            }
             return $insp->error($e->getMessage());
         }
 
@@ -1116,6 +1081,13 @@ class LdapConnection implements Selectable, Inspectable
             '***' /* $this->bindPw */
         );
         if (! $success) {
+            // ldap_error does not return any proper error messages in case of certificate errors. Connecting
+            // by LDAPS will usually fail at this point when the certificate is unknown, so at least try to give
+            // some hints.
+            if ($this->encryption === 'ldaps') {
+                $insp->write('NOTE: There might be an issue with the chosen encryption. Ensure that the LDAP-Server ' .
+                    ' supports LDAPS and that the LDAP-Client is configured to accept its certificate.');
+            }
             return $insp->error(sprintf('%s failed: %s', $msg, ldap_error($ds)));
         }
         $insp->write(sprintf($msg . ' successful'));
@@ -1137,12 +1109,4 @@ class LdapConnection implements Selectable, Inspectable
         }
         return $insp;
     }
-
-    /**
-     * Reset the environment variables set by self::prepareTlsEnvironment()
-     */
-    public function __destruct()
-    {
-        putenv('LDAPRC');
-    }
 }
diff --git a/library/Icinga/Web/Form.php b/library/Icinga/Web/Form.php
index ff75f68f3..b19636400 100644
--- a/library/Icinga/Web/Form.php
+++ b/library/Icinga/Web/Form.php
@@ -97,6 +97,13 @@ class Form extends Zend_Form
      */
     protected $submitLabel;
 
+    /**
+     * Label to use for showing the user an activity indicator when submitting the form
+     *
+     * @var string
+     */
+    protected $progressLabel;
+
     /**
      * The url to redirect to upon success
      *
@@ -279,6 +286,29 @@ class Form extends Zend_Form
         return $this->submitLabel;
     }
 
+    /**
+     * Set the label to use for showing the user an activity indicator when submitting the form
+     *
+     * @param   string  $label
+     *
+     * @return  $this
+     */
+    public function setProgressLabel($label)
+    {
+        $this->progressLabel = $label;
+        return $this;
+    }
+
+    /**
+     * Return the label to use for showing the user an activity indicator when submitting the form
+     *
+     * @return  string
+     */
+    public function getProgressLabel()
+    {
+        return $this->progressLabel;
+    }
+
     /**
      * Set the url to redirect to upon success
      *
@@ -654,6 +684,12 @@ class Form extends Zend_Form
     public function setUseFormAutosubmit($state = true)
     {
         $this->useFormAutosubmit = (bool) $state;
+        if ($this->useFormAutosubmit) {
+            $this->setAttrib('data-progress-element', 'header-' . $this->getId());
+        } else {
+            $this->removeAttrib('data-progress-element');
+        }
+
         return $this;
     }
 
@@ -777,11 +813,13 @@ class Form extends Zend_Form
                 'submit',
                 'btn_submit',
                 array(
-                    'ignore'        => true,
-                    'label'         => $submitLabel,
-                    'decorators'    => array(
+                    'ignore'                => true,
+                    'label'                 => $submitLabel,
+                    'data-progress-label'   => $this->getProgressLabel(),
+                    'decorators'            => array(
                         'ViewHelper',
-                        array('HtmlTag', array('tag' => 'div'))
+                        array('Spinner', array('separator' => '')),
+                        array('HtmlTag', array('tag' => 'div', 'class' => 'buttons'))
                     )
                 )
             );
@@ -840,9 +878,17 @@ class Form extends Zend_Form
                 && ! array_key_exists('disabledLoadDefaultDecorators', $options)
             ) {
                 $options['decorators'] = static::$defaultElementDecorators;
+                if (! isset($options['data-progress-label']) && ($type === 'submit'
+                    || ($type === 'button' && isset($options['type']) && $options['type'] === 'submit'))
+                ) {
+                    array_splice($options['decorators'], 1, 0, array(array('Spinner', array('separator' => ''))));
+                }
             }
         } else {
             $options = array('decorators' => static::$defaultElementDecorators);
+            if ($type === 'submit') {
+                array_splice($options['decorators'], 1, 0, array(array('Spinner', array('separator' => ''))));
+            }
         }
 
         $el = parent::createElement($type, $name, $options);
@@ -1223,8 +1269,15 @@ class Form extends Zend_Form
             } else {
                 $this->addDecorator('Description', array('tag' => 'h1'));
                 if ($this->getUseFormAutosubmit()) {
-                    $this->addDecorator('Autosubmit', array('accessible' => true))
-                        ->addDecorator('HtmlTag', array('tag' => 'div', 'class' => 'header'));
+                    $this->getDecorator('Description')->setEscape(false);
+                    $this->addDecorator(
+                        'HtmlTag',
+                        array(
+                            'tag'   => 'div',
+                            'class' => 'header',
+                            'id'    => 'header-' . $this->getId()
+                        )
+                    );
                 }
 
                 $this->addDecorator('FormDescriptions')
@@ -1271,6 +1324,25 @@ class Form extends Zend_Form
         return $name;
     }
 
+    /**
+     * Retrieve form description
+     *
+     * This will return the escaped description with the autosubmit warning icon if form autosubmit is enabled.
+     *
+     * @return  string
+     */
+    public function getDescription()
+    {
+        $description = parent::getDescription();
+        if ($description && $this->getUseFormAutosubmit()) {
+            $autosubmit = $this->_getDecorator('Autosubmit', array('accessible' => true));
+            $autosubmit->setElement($this);
+            $description = $autosubmit->render($this->getView()->escape($description));
+        }
+
+        return $description;
+    }
+
     /**
      * Set the action to submit this form against
      *
diff --git a/library/Icinga/Web/Form/Decorator/Help.php b/library/Icinga/Web/Form/Decorator/Help.php
index 152d548af..531072a6b 100644
--- a/library/Icinga/Web/Form/Decorator/Help.php
+++ b/library/Icinga/Web/Form/Decorator/Help.php
@@ -96,7 +96,10 @@ class Help extends Zend_Form_Decorator_Abstract
             $helpContent = $this->getView()->icon(
                 'help',
                 $description . ($description && $requirement ? ' ' : '') . $requirement,
-                array('aria-hidden' => $this->accessible ? 'true' : 'false')
+                array(
+                    'class'         => 'help',
+                    'aria-hidden'   => $this->accessible ? 'true' : 'false'
+                )
             ) . $helpContent;
         }
 
diff --git a/library/Icinga/Web/Form/Decorator/Spinner.php b/library/Icinga/Web/Form/Decorator/Spinner.php
new file mode 100644
index 000000000..b47798d26
--- /dev/null
+++ b/library/Icinga/Web/Form/Decorator/Spinner.php
@@ -0,0 +1,48 @@
+<?php
+/* Icinga Web 2 | (c) 2013-2015 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Web\Form\Decorator;
+
+use Zend_Form_Decorator_Abstract;
+use Icinga\Application\Icinga;
+use Icinga\Web\View;
+
+/**
+ * Decorator to add a spinner next to an element
+ */
+class Spinner extends Zend_Form_Decorator_Abstract
+{
+    /**
+     * Return the current view
+     *
+     * @return  View
+     */
+    protected function getView()
+    {
+        return Icinga::app()->getViewRenderer()->view;
+    }
+
+    /**
+     * Add a spinner icon to a form element
+     *
+     * @param   string      $content    The html rendered so far
+     *
+     * @return  string                  The updated html
+     */
+    public function render($content = '')
+    {
+        $spinner = '<div '
+            . ($this->getOption('id') !== null ? ' id="' . $this->getOption('id') . '"' : '')
+            . 'class="spinner ' . ($this->getOption('class') ?: '') . '"'
+            . '>'
+            . $this->getView()->icon('spin6')
+            . '</div>';
+
+        switch ($this->getPlacement()) {
+            case self::APPEND:
+                return $content . $spinner;
+            case self::PREPEND:
+                return $spinner . $content;
+        }
+    }
+}
\ No newline at end of file
diff --git a/library/Icinga/Web/Menu.php b/library/Icinga/Web/Menu.php
index 7992364b9..466391e4b 100644
--- a/library/Icinga/Web/Menu.php
+++ b/library/Icinga/Web/Menu.php
@@ -117,9 +117,19 @@ class Menu implements RecursiveIterator
             foreach ($props as $key => $value) {
                 $method = 'set' . implode('', array_map('ucfirst', explode('_', strtolower($key))));
                 if ($key === 'renderer') {
+                    // nested configuration is used to pass multiple arguments to the item renderer
+                    if ($value instanceof ConfigObject) {
+                        $args = $value;
+                        $value = $value->get('0');
+                    }
+
                     $value = '\\' . ltrim($value, '\\');
                     if (class_exists($value)) {
-                        $value = new $value;
+                        if (isset($args)) {
+                            $value = new $value($args);
+                        } else {
+                            $value = new $value;
+                        }
                     } else {
                         $class = '\Icinga\Web\Menu' . $value;
                         if (!class_exists($class)) {
@@ -127,7 +137,11 @@ class Menu implements RecursiveIterator
                                 sprintf('ItemRenderer with class "%s" does not exist', $class)
                             );
                         }
-                        $value = new $class;
+                        if (isset($args)) {
+                            $value = new $class($args);
+                        } else {
+                            $value = new $class;
+                        }
                     }
                 }
                 if (method_exists($this, $method)) {
@@ -226,7 +240,6 @@ class Menu implements RecursiveIterator
         $auth = Auth::getInstance();
 
         if ($auth->isAuthenticated()) {
-
             $this->add(t('Dashboard'), array(
                 'url'      => 'dashboard',
                 'icon'     => 'dashboard',
@@ -236,7 +249,10 @@ class Menu implements RecursiveIterator
             $section = $this->add(t('System'), array(
                 'icon'     => 'services',
                 'priority' => 700,
-                'renderer' => 'ProblemMenuItemRenderer'
+                'renderer' => array(
+                    'SummaryMenuItemRenderer',
+                    'state' => 'critical'
+                )
             ));
             $section->add(t('About'), array(
                 'url'       => 'about',
@@ -255,7 +271,7 @@ class Menu implements RecursiveIterator
                 'priority'      => 800
             ));
             $section->add(t('Application'), array(
-                'url'           => 'config',
+                'url'           => 'config/general',
                 'permission'    => 'config/application/*',
                 'priority'      => 810
             ));
@@ -297,7 +313,10 @@ class Menu implements RecursiveIterator
             $section->add(t('Logout'), array(
                 'url'      => 'authentication/logout',
                 'priority' => 990,
-                'renderer' => 'ForeignMenuItemRenderer'
+                'renderer' => array(
+                    'MenuItemRenderer',
+                    'target' => '_self'
+                )
             ));
         }
     }
diff --git a/library/Icinga/Web/Menu/BadgeMenuItemRenderer.php b/library/Icinga/Web/Menu/BadgeMenuItemRenderer.php
new file mode 100644
index 000000000..ebde0b38f
--- /dev/null
+++ b/library/Icinga/Web/Menu/BadgeMenuItemRenderer.php
@@ -0,0 +1,65 @@
+<?php
+
+namespace Icinga\Web\Menu;
+
+use Icinga\Web\Menu;
+
+abstract class BadgeMenuItemRenderer extends MenuItemRenderer
+{
+    const STATE_OK       = 'ok';
+    const STATE_CRITICAL = 'critical';
+    const STATE_WARNING  = 'warning';
+    const STATE_PENDING  = 'pending';
+    const STATE_UNKNOWN  = 'unknown';
+
+    /**
+     * Defines the color of the badge
+     *
+     * @return string
+     */
+    abstract public function getState();
+
+    /**
+     * The amount of items to display in the badge
+     *
+     * @return int
+     */
+    abstract public function getCount();
+
+    /**
+     * The tooltip title
+     *
+     * @return string
+     */
+    abstract public function getTitle();
+
+    /**
+     * Renders the html content of a single menu item
+     *
+     * @param Menu $menu
+     *
+     * @return string
+     */
+    public function render(Menu $menu)
+    {
+        return $this->renderBadge() . $this->createLink($menu);
+    }
+
+    /**
+     * Render the badge
+     *
+     * @return string
+     */
+    protected function renderBadge()
+    {
+        if ($count = $this->getCount()) {
+            return sprintf(
+                '<div title="%s" class="badge-container"><span class="badge badge-%s">%s</span></div>',
+                $this->getView()->escape($this->getTitle()),
+                $this->getView()->escape($this->getState()),
+                $count
+            );
+        }
+        return '';
+    }
+}
diff --git a/library/Icinga/Web/Menu/ForeignMenuItemRenderer.php b/library/Icinga/Web/Menu/ForeignMenuItemRenderer.php
deleted file mode 100644
index b898b4d08..000000000
--- a/library/Icinga/Web/Menu/ForeignMenuItemRenderer.php
+++ /dev/null
@@ -1,17 +0,0 @@
-<?php
-/* Icinga Web 2 | (c) 2013-2015 Icinga Development Team | GPLv2+ */
-
-namespace Icinga\Web\Menu;
-
-use Icinga\Web\Menu;
-use Icinga\Web\Url;
-
-/**
- * A menu item with a link that surpasses the regular navigation link behavior
- */
-class ForeignMenuItemRenderer extends MenuItemRenderer
-{
-    protected $attributes = array(
-        'target' => '_self'
-    );
-}
diff --git a/library/Icinga/Web/Menu/MenuItemRenderer.php b/library/Icinga/Web/Menu/MenuItemRenderer.php
index d40650d91..27abcc94a 100644
--- a/library/Icinga/Web/Menu/MenuItemRenderer.php
+++ b/library/Icinga/Web/Menu/MenuItemRenderer.php
@@ -7,6 +7,7 @@ use Icinga\Application\Icinga;
 use Icinga\Web\Menu;
 use Icinga\Web\Url;
 use Icinga\Web\View;
+use Icinga\Data\ConfigObject;
 
 /**
  * Default MenuItemRenderer class
@@ -14,38 +15,39 @@ use Icinga\Web\View;
 class MenuItemRenderer
 {
     /**
-     * Contains <a> element specific attributes
-     *
-     * @var array
-     */
-    protected $attributes = array();
-
-    /**
-     * View
+     * The view this menu item is being rendered to
      *
      * @var View|null
      */
-    protected $view;
+    protected $view = null;
 
     /**
-     * Set the view
+     * The link target
      *
-     * @param   View    $view
-     *
-     * @return  $this
+     * @var string
      */
-    public function setView(View $view)
+    protected $target = null;
+
+    /**
+     * Create a new instance of MenuItemRenderer
+     *
+     * Is is possible to configure the link target using the option 'target'
+     *
+     * @param ConfigObject|null $configuration
+     */
+    public function __construct(ConfigObject $configuration = null)
     {
-        $this->view = $view;
-        return $this;
+        if ($configuration !== null) {
+            $this->target = $configuration->get('target', null);
+        }
     }
 
     /**
-     * Get the view
+     * Get the view this menu item is being rendered to
      *
      * @return View
      */
-    public function getView()
+    protected function getView()
     {
         if ($this->view === null) {
             $this->view = Icinga::app()->getViewRenderer()->view;
@@ -53,6 +55,36 @@ class MenuItemRenderer
         return $this->view;
     }
 
+    /**
+     * Creates a menu item link element
+     *
+     * @param Menu $menu
+     *
+     * @return string
+     */
+    public function createLink(Menu $menu)
+    {
+        $attributes = isset($this->target) ? sprintf(' target="%s"', $this->getView()->escape($this->target)) : '';
+
+        if ($menu->getIcon() && strpos($menu->getIcon(), '.') === false) {
+            return sprintf(
+                '<a href="%s"%s><i aria-hidden="true" class="icon-%s"></i>%s</a>',
+                $menu->getUrl() ? : '#',
+                $attributes,
+                $menu->getIcon(),
+                $this->getView()->escape($menu->getTitle())
+            );
+        }
+
+        return sprintf(
+            '<a href="%s"%s>%s%s<span></span></a>',
+            $menu->getUrl() ? : '#',
+            $attributes,
+            $menu->getIcon() ? '<img aria-hidden="true" src="' . Url::fromPath($menu->getIcon()) . '" class="icon" /> ' : '',
+            $this->getView()->escape($menu->getTitle())
+        );
+    }
+
     /**
      * Renders the html content of a single menu item
      *
@@ -64,47 +96,4 @@ class MenuItemRenderer
     {
         return $this->createLink($menu);
     }
-
-    /**
-     * Creates a menu item link element
-     *
-     * @param Menu $menu
-     *
-     * @return string
-     */
-    public function createLink(Menu $menu)
-    {
-        if ($menu->getIcon() && strpos($menu->getIcon(), '.') === false) {
-            return sprintf(
-                '<a href="%s"%s><i aria-hidden="true" class="icon-%s"></i>%s</a>',
-                $menu->getUrl() ? : '#',
-                $this->getAttributes(),
-                $menu->getIcon(),
-                $this->getView()->escape($menu->getTitle())
-            );
-        }
-
-        return sprintf(
-            '<a href="%s"%s>%s%s<span></span></a>',
-            $menu->getUrl() ? : '#',
-            $this->getAttributes(),
-            $menu->getIcon() ? '<img aria-hidden="true" src="' . Url::fromPath($menu->getIcon()) . '" class="icon" /> ' : '',
-            $this->getView()->escape($menu->getTitle())
-        );
-    }
-
-    /**
-     * Returns <a> element specific attributes if present
-     *
-     * @return string
-     */
-    protected function getAttributes()
-    {
-        $attributes = '';
-        $view = $this->getView();
-        foreach ($this->attributes as $attribute => $value) {
-            $attributes .= ' ' . $view->escape($attribute) . '="' . $view->escape($value) . '"';
-        }
-        return $attributes;
-    }
 }
diff --git a/library/Icinga/Web/Menu/ProblemMenuItemRenderer.php b/library/Icinga/Web/Menu/ProblemMenuItemRenderer.php
deleted file mode 100644
index 010bdc034..000000000
--- a/library/Icinga/Web/Menu/ProblemMenuItemRenderer.php
+++ /dev/null
@@ -1,64 +0,0 @@
-<?php
-/* Icinga Web 2 | (c) 2013-2015 Icinga Development Team | GPLv2+ */
-
-namespace Icinga\Web\Menu;
-
-use Icinga\Web\Menu;
-
-class ProblemMenuItemRenderer extends MenuItemRenderer
-{
-    /**
-     * Set of summarized problems from submenus
-     *
-     * @var array
-     */
-    protected $summary = array();
-
-    /**
-     * Renders the html content of a single menu item and summarizes submenu problems
-     *
-     * @param Menu $menu
-     *
-     * @return string
-     */
-    public function render(Menu $menu)
-    {
-        if ($menu->getParent() !== null && $menu->hasSubMenus()) {
-            /** @var $submenu Menu */
-            foreach ($menu->getSubMenus() as $submenu) {
-                $renderer = $submenu->getRenderer();
-                if (method_exists($renderer, 'getSummary')) {
-                    if ($renderer->getSummary() !== null) {
-                        $this->summary[] =  $renderer->getSummary();
-                    }
-                }
-            }
-        }
-        return $this->getBadge() . $this->createLink($menu);
-    }
-
-    /**
-     * Get the problem badge
-     *
-     * @return string
-     */
-    protected function getBadge()
-    {
-        if (count($this->summary) > 0) {
-            $problems = 0;
-            $titles = array();
-
-            foreach ($this->summary as $summary) {
-                $problems += $summary['problems'];
-                $titles[] = $summary['title'];
-            }
-
-            return sprintf(
-                '<div title="%s" class="badge-container"><span class="badge badge-critical">%s</span></div>',
-                implode(', ', $titles),
-                $problems
-            );
-        }
-        return '';
-    }
-}
diff --git a/library/Icinga/Web/Menu/SummaryMenuItemRenderer.php b/library/Icinga/Web/Menu/SummaryMenuItemRenderer.php
new file mode 100644
index 000000000..942ddbc09
--- /dev/null
+++ b/library/Icinga/Web/Menu/SummaryMenuItemRenderer.php
@@ -0,0 +1,94 @@
+<?php
+/* Icinga Web 2 | (c) 2013-2015 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Web\Menu;
+
+use Icinga\Web\Menu;
+use Icinga\Data\ConfigObject;
+
+/**
+ * Summary badge adding up all badges in the sub-menus that have the same state
+ */
+class SummaryMenuItemRenderer extends BadgeMenuItemRenderer
+{
+    /**
+     * Set of summarized problems from submenus
+     *
+     * @var array
+     */
+    protected $titles = array();
+
+    /**
+     * The amount of problems
+     *
+     * @var int
+     */
+    protected $count = 0;
+
+    /**
+     * The state that should be summarized
+     *
+     * @var string
+     */
+    protected $state;
+
+    /**
+     * The amount of problems
+     */
+    public function __construct(ConfigObject $configuration)
+    {
+        $this->state = $configuration->get('state', self::STATE_CRITICAL);
+    }
+
+    /**
+     * Renders the html content of a single menu item and summarized sub-menus
+     *
+     * @param Menu $menu
+     *
+     * @return string
+     */
+    public function render(Menu $menu)
+    {
+        /** @var $submenu Menu */
+        foreach ($menu->getSubMenus() as $submenu) {
+            $renderer = $submenu->getRenderer();
+            if ($renderer instanceof BadgeMenuItemRenderer) {
+                if ($renderer->getState() === $this->state) {
+                    $this->titles[] = $renderer->getTitle();
+                    $this->count += $renderer->getCount();
+                }
+            }
+        }
+        return $this->renderBadge() . $this->createLink($menu);
+    }
+
+    /**
+     * The amount of items to display in the badge
+     *
+     * @return int
+     */
+    public function getCount()
+    {
+        return $this->count;
+    }
+
+    /**
+     * Defines the color of the badge
+     *
+     * @return string
+     */
+    public function getState()
+    {
+        return $this->state;
+    }
+
+    /**
+     * The tooltip title
+     *
+     * @return string
+     */
+    public function getTitle()
+    {
+        return implode(', ', $this->titles);
+    }
+}
diff --git a/library/Icinga/Web/Request.php b/library/Icinga/Web/Request.php
index 4c76a4557..9ad44e327 100644
--- a/library/Icinga/Web/Request.php
+++ b/library/Icinga/Web/Request.php
@@ -119,6 +119,11 @@ class Request extends Zend_Controller_Request_Http
         return $id . '-' . $this->uniqueId;
     }
 
+    /**
+     * Detect whether cookies are enabled
+     *
+     * @return bool
+     */
     public function hasCookieSupport()
     {
         $cookie = new Cookie($this);
diff --git a/library/Icinga/Web/Widget/Dashboard/Dashlet.php b/library/Icinga/Web/Widget/Dashboard/Dashlet.php
index 06d6851e2..eb72fb851 100644
--- a/library/Icinga/Web/Widget/Dashboard/Dashlet.php
+++ b/library/Icinga/Web/Widget/Dashboard/Dashlet.php
@@ -3,8 +3,6 @@
 
 namespace Icinga\Web\Widget\Dashboard;
 
-use Zend_Form_Element_Button;
-use Icinga\Web\Form;
 use Icinga\Web\Url;
 use Icinga\Data\ConfigObject;
 use Icinga\Exception\IcingaException;
@@ -43,6 +41,13 @@ class Dashlet extends UserWidget
      */
     private $disabled = false;
 
+    /**
+     * The progress label being used
+     *
+     * @var string
+     */
+    private $progressLabel;
+
     /**
      * The template string used for rendering this widget
      *
@@ -52,6 +57,7 @@ class Dashlet extends UserWidget
 
     <div class="container" data-icinga-url="{URL}">
         <h1><a href="{FULL_URL}" aria-label="{TOOLTIP}" title="{TOOLTIP}" data-base-target="col1">{TITLE}</a></h1>
+        <p class="progress-label">{PROGRESS_LABEL}<span>.</span><span>.</span><span>.</span></p>
         <noscript>
             <iframe
                 src="{IFRAME_URL}"
@@ -147,6 +153,33 @@ EOD;
         return $this->disabled;
     }
 
+    /**
+     * Set the progress label to use
+     *
+     * @param   string  $label
+     *
+     * @return  $this
+     */
+    public function setProgressLabel($label)
+    {
+        $this->progressLabel = $label;
+        return $this;
+    }
+
+    /**
+     * Return the progress label to use
+     *
+     * @return  string
+     */
+    public function getProgressLabe()
+    {
+        if ($this->progressLabel === null) {
+            return $this->view()->translate('Loading');
+        }
+
+        return $this->progressLabel;
+    }
+
     /**
      * Return this dashlet's structure as array
      *
@@ -185,7 +218,8 @@ EOD;
             '{FULL_URL}',
             '{TOOLTIP}',
             '{TITLE}',
-            '{TITLE_PREFIX}'
+            '{TITLE_PREFIX}',
+            '{PROGRESS_LABEL}'
         );
 
         $replaceTokens = array(
@@ -194,7 +228,8 @@ EOD;
             $url->getUrlWithout(array('view', 'limit')),
             sprintf($view->translate('Show %s', 'dashboard.dashlet.tooltip'), $view->escape($this->getTitle())),
             $view->escape($this->getTitle()),
-            $view->translate('Dashlet') . ': '
+            $view->translate('Dashlet') . ': ',
+            $this->getProgressLabe()
         );
 
         return str_replace($searchTokens, $replaceTokens, $this->template);
diff --git a/library/Icinga/Web/Widget/Dashboard/Pane.php b/library/Icinga/Web/Widget/Dashboard/Pane.php
index 5f973885f..d4679042d 100644
--- a/library/Icinga/Web/Widget/Dashboard/Pane.php
+++ b/library/Icinga/Web/Widget/Dashboard/Pane.php
@@ -191,6 +191,21 @@ class Pane extends UserWidget
         return implode("\n", $dashlets) . "\n";
     }
 
+    /**
+     * Create, add and return a new dashlet
+     *
+     * @param   string  $title
+     * @param   string  $url
+     *
+     * @return  Dashlet
+     */
+    public function createDashlet($title, $url = null)
+    {
+        $dashlet = new Dashlet($title, $url, $this);
+        $this->addDashlet($dashlet);
+        return $dashlet;
+    }
+
     /**
      * Add a dashlet to this pane, optionally creating it if $dashlet is a string
      *
@@ -206,7 +221,7 @@ class Pane extends UserWidget
         if ($dashlet instanceof Dashlet) {
             $this->dashlets[$dashlet->getTitle()] = $dashlet;
         } elseif (is_string($dashlet) && $url !== null) {
-             $this->dashlets[$dashlet] = new Dashlet($dashlet, $url, $this);
+             $this->createDashlet($dashlet, $url);
         } else {
             throw new ConfigurationError('Invalid dashlet added: %s', $dashlet);
         }
diff --git a/library/Icinga/Web/Widget/SearchDashboard.php b/library/Icinga/Web/Widget/SearchDashboard.php
index 0ca759919..9cc67b89c 100644
--- a/library/Icinga/Web/Widget/SearchDashboard.php
+++ b/library/Icinga/Web/Widget/SearchDashboard.php
@@ -69,10 +69,10 @@ class SearchDashboard extends Dashboard
         usort($searchUrls, array($this, 'compareSearchUrls'));
 
         foreach (array_reverse($searchUrls) as $searchUrl) {
-            $pane->addDashlet(
+            $pane->createDashlet(
                 $searchUrl->title . ': ' . $searchString,
                 Url::fromPath($searchUrl->url, array('q' => $searchString))
-            );
+            )->setProgressLabel($this->view()->translate('Searching'));
         }
 
         return $this;
diff --git a/library/Icinga/Web/Wizard.php b/library/Icinga/Web/Wizard.php
index 1af211017..d397db52b 100644
--- a/library/Icinga/Web/Wizard.php
+++ b/library/Icinga/Web/Wizard.php
@@ -38,6 +38,11 @@ class Wizard
      */
     const BTN_PREV = 'btn_prev';
 
+    /**
+     * The name and id of the element for showing the user an activity indicator when advancing the wizard
+     */
+    const PROGRESS_ELEMENT = 'wizard_progress';
+
     /**
      * This wizard's parent
      *
@@ -606,7 +611,7 @@ class Wizard
                     'type'          => 'submit',
                     'value'         => $pages[1]->getName(),
                     'label'         => t('Next'),
-                    'decorators'    => array('ViewHelper')
+                    'decorators'    => array('ViewHelper', 'Spinner')
                 )
             );
         } elseif ($index < count($pages) - 1) {
@@ -655,8 +660,21 @@ class Wizard
             );
         }
 
+        $page->setAttrib('data-progress-element', static::PROGRESS_ELEMENT);
+        $page->addElement(
+            'note',
+            static::PROGRESS_ELEMENT,
+            array(
+                'order'         => 99, // Ensures that it's shown on the right even if a sub-class adds another button
+                'decorators'    => array(
+                    'ViewHelper',
+                    array('Spinner', array('id' => static::PROGRESS_ELEMENT))
+                )
+            )
+        );
+
         $page->addDisplayGroup(
-            array(static::BTN_PREV, static::BTN_NEXT),
+            array(static::BTN_PREV, static::BTN_NEXT, static::PROGRESS_ELEMENT),
             'buttons',
             array(
                 'decorators' => array(
diff --git a/modules/monitoring/application/controllers/ListController.php b/modules/monitoring/application/controllers/ListController.php
index d26cc0c52..44172f1ea 100644
--- a/modules/monitoring/application/controllers/ListController.php
+++ b/modules/monitoring/application/controllers/ListController.php
@@ -24,24 +24,6 @@ class Monitoring_ListController extends Controller
         $this->createTabs();
     }
 
-    /**
-     * @deprecated DO NOT USE. THIS IS A HACK. This is removed once we fix the eventhistory action w/ filters.
-     */
-    protected function applyFilter($query)
-    {
-        $params = clone $this->params;
-        $params->shift('format');
-        $params->shift('limit');
-        $params->shift('page');
-        $params->shift('view');
-        if ($sort = $params->shift('sort')) {
-            $query->order($sort, $params->shift('dir'));
-        }
-        $query->applyFilter(Filter::fromQuerystring((string) $params));
-        $this->handleFormatRequest($query);
-        return $query;
-    }
-
     /**
      * Overwrite the backend to use (used for testing)
      *
@@ -91,8 +73,8 @@ class Monitoring_ListController extends Controller
             'host_current_check_attempt',
             'host_max_check_attempts'
         ), $this->addColumns()));
-        $this->filterQuery($query);
         $this->applyRestriction('monitoring/filter/objects', $query);
+        $this->filterQuery($query);
         $this->view->hosts = $query;
         $stats = $this->backend->select()->from('hoststatussummary', array(
             'hosts_total',
@@ -177,8 +159,8 @@ class Monitoring_ListController extends Controller
             'max_check_attempts'    => 'service_max_check_attempts'
         ), $this->addColumns());
         $query = $this->backend->select()->from('servicestatus', $columns);
-        $this->filterQuery($query);
         $this->applyRestriction('monitoring/filter/objects', $query);
+        $this->filterQuery($query);
         $this->view->services = $query;
 
         $this->setupLimitControl();
@@ -242,9 +224,8 @@ class Monitoring_ListController extends Controller
             'host_display_name',
             'service_display_name'
         ));
-        $this->filterQuery($query);
-
         $this->applyRestriction('monitoring/filter/objects', $query);
+        $this->filterQuery($query);
 
         $this->view->downtimes = $query;
 
@@ -291,8 +272,8 @@ class Monitoring_ListController extends Controller
             'host_display_name',
             'service_display_name'
         ));
-        $this->filterQuery($query);
         $this->applyRestriction('monitoring/filter/objects', $query);
+        $this->filterQuery($query);
         $this->view->notifications = $query;
 
         $this->setupLimitControl();
@@ -314,8 +295,8 @@ class Monitoring_ListController extends Controller
             'contact_notify_service_timeperiod',
             'contact_notify_host_timeperiod'
         ));
-        $this->filterQuery($query);
         $this->applyRestriction('monitoring/filter/objects', $query);
+        $this->filterQuery($query);
         $this->view->contacts = $query;
 
         $this->setupLimitControl();
@@ -386,8 +367,8 @@ class Monitoring_ListController extends Controller
             'contact_email',
             'contact_pager'
         ));
-        $this->filterQuery($query);
         $this->applyRestriction('monitoring/filter/objects', $query);
+        $this->filterQuery($query);
 
         $this->setupSortControl(array(
             'contactgroup_name'     => $this->translate('Contactgroup Name'),
@@ -430,10 +411,8 @@ class Monitoring_ListController extends Controller
             'host_display_name',
             'service_display_name'
         ));
-        $this->filterQuery($query);
-
         $this->applyRestriction('monitoring/filter/objects', $query);
-
+        $this->filterQuery($query);
         $this->view->comments = $query;
 
         $this->setupLimitControl();
@@ -485,10 +464,8 @@ class Monitoring_ListController extends Controller
             'services_warning_last_state_change_unhandled' => 'services_warning_unhandled_last_state_change',
             'services_warning_unhandled'
         ));
-        $this->filterQuery($query);
-
         $this->applyRestriction('monitoring/filter/objects', $query);
-
+        $this->filterQuery($query);
         $this->view->servicegroups = $query;
 
         $this->setupLimitControl();
@@ -531,10 +508,8 @@ class Monitoring_ListController extends Controller
             'services_warning_handled',
             'services_warning_unhandled'
         ));
-        $this->filterQuery($query);
-
         $this->applyRestriction('monitoring/filter/objects', $query);
-
+        $this->filterQuery($query);
         $this->view->hostgroups = $query;
 
         $this->setupLimitControl();
@@ -589,8 +564,8 @@ class Monitoring_ListController extends Controller
             'service_output',
             'service_handled'
         ));
-        $this->filterQuery($query);
         $this->applyRestriction('monitoring/filter/objects', $query);
+        $this->filterQuery($query);
         $this->setupSortControl(array(
             'host_name'           => $this->translate('Hostname'),
             'service_description' => $this->translate('Service description')
diff --git a/modules/monitoring/application/forms/Command/Object/DeleteCommentCommandForm.php b/modules/monitoring/application/forms/Command/Object/DeleteCommentCommandForm.php
index 691b7dbed..442b9b2ce 100644
--- a/modules/monitoring/application/forms/Command/Object/DeleteCommentCommandForm.php
+++ b/modules/monitoring/application/forms/Command/Object/DeleteCommentCommandForm.php
@@ -68,7 +68,7 @@ class DeleteCommentCommandForm extends CommandForm
                 'ignore'        => true,
                 'escape'        => false,
                 'type'          => 'submit',
-                'class'         => 'link-like',
+                'class'         => 'link-like spinner',
                 'label'         => $this->getView()->icon('trash'),
                 'title'         => $this->translate('Delete this comment'),
                 'decorators'    => array('ViewHelper')
diff --git a/modules/monitoring/application/forms/Command/Object/DeleteDowntimeCommandForm.php b/modules/monitoring/application/forms/Command/Object/DeleteDowntimeCommandForm.php
index c58179fe6..27fbae67a 100644
--- a/modules/monitoring/application/forms/Command/Object/DeleteDowntimeCommandForm.php
+++ b/modules/monitoring/application/forms/Command/Object/DeleteDowntimeCommandForm.php
@@ -68,7 +68,7 @@ class DeleteDowntimeCommandForm extends CommandForm
                 'ignore'        => true,
                 'escape'        => false,
                 'type'          => 'submit',
-                'class'         => 'link-like',
+                'class'         => 'link-like spinner',
                 'label'         => $this->getView()->icon('trash'),
                 'title'         => $this->translate('Delete this downtime'),
                 'decorators'    => array('ViewHelper')
diff --git a/modules/monitoring/application/views/scripts/list/comments.phtml b/modules/monitoring/application/views/scripts/list/comments.phtml
index 3287f08e9..44b452f42 100644
--- a/modules/monitoring/application/views/scripts/list/comments.phtml
+++ b/modules/monitoring/application/views/scripts/list/comments.phtml
@@ -67,7 +67,7 @@
           ) : $this->translate('This comment does not expire.'); ?>
         </td>
         <?php if (isset($delCommentForm)): // Form is unset if the current user lacks the respective permission ?>
-        <td style="width: 2em" data-base-target="self">
+        <td style="width: 2em" data-base-target="_self">
           <?php
           $delCommentForm = clone $delCommentForm;
           $delCommentForm->populate(
diff --git a/modules/monitoring/application/views/scripts/list/downtimes.phtml b/modules/monitoring/application/views/scripts/list/downtimes.phtml
index 1125aa9ba..a45bd0499 100644
--- a/modules/monitoring/application/views/scripts/list/downtimes.phtml
+++ b/modules/monitoring/application/views/scripts/list/downtimes.phtml
@@ -126,7 +126,7 @@ if (! $this->compact): ?>
           </small>
         </td>
         <?php if (isset($delDowntimeForm)): // Form is unset if the current user lacks the respective permission ?>
-        <td style="width: 2em" data-base-target="self">
+        <td style="width: 2em" data-base-target="_self">
           <?php
           $delDowntimeForm = clone $delDowntimeForm;
           $delDowntimeForm->populate(
diff --git a/modules/monitoring/configuration.php b/modules/monitoring/configuration.php
index 8844c3247..fa95c3785 100644
--- a/modules/monitoring/configuration.php
+++ b/modules/monitoring/configuration.php
@@ -89,17 +89,34 @@ $this->provideSearchUrl($this->translate('Servicegroups'), 'monitoring/list/serv
  * Problems Section
  */
 $section = $this->menuSection($this->translate('Problems'), array(
-    'renderer'  => 'Icinga\Module\Monitoring\Web\Menu\ProblemMenuItemRenderer',
+    'renderer' => array(
+        'SummaryMenuItemRenderer',
+        'state' => 'critical'
+    ),
     'icon'      => 'block',
     'priority'  => 20
 ));
 $section->add($this->translate('Unhandled Hosts'), array(
-    'renderer'  => 'Icinga\Module\Monitoring\Web\Menu\UnhandledHostMenuItemRenderer',
+    'renderer'  => array(
+        'Icinga\Module\Monitoring\Web\Menu\MonitoringBadgeMenuItemRenderer',
+        'columns' => array(
+            'hosts_down_unhandled' => $this->translate('%d unhandled hosts down')
+        ),
+        'state'    => 'critical',
+        'dataView' => 'statussummary'
+    ),
     'url'       => 'monitoring/list/hosts?host_problem=1&host_handled=0',
     'priority'  => 30
 ));
 $section->add($this->translate('Unhandled Services'), array(
-    'renderer'  => 'Icinga\Module\Monitoring\Web\Menu\UnhandledServiceMenuItemRenderer',
+    'renderer'  => array(
+        'Icinga\Module\Monitoring\Web\Menu\MonitoringBadgeMenuItemRenderer',
+        'columns' => array(
+            'services_critical_unhandled' => $this->translate('%d unhandled services critical')
+        ),
+        'state'    => 'critical',
+        'dataView' => 'statussummary'
+    ),
     'url'       => 'monitoring/list/services?service_problem=1&service_handled=0&sort=service_severity',
     'priority'  => 40
 ));
@@ -204,7 +221,7 @@ $section = $this->menuSection($this->translate('System'));
 $section->add($this->translate('Monitoring Health'), array(
     'url'      => 'monitoring/process/info',
     'priority' => 720,
-    'renderer'  => 'Icinga\Module\Monitoring\Web\Menu\BackendAvailabilityMenuItemRenderer'
+    'renderer' => 'Icinga\Module\Monitoring\Web\Menu\BackendAvailabilityMenuItemRenderer'
 ));
 
 /*
diff --git a/modules/monitoring/library/Monitoring/Backend/Ido/Query/IdoQuery.php b/modules/monitoring/library/Monitoring/Backend/Ido/Query/IdoQuery.php
index 85d9169a9..c8d2e3140 100644
--- a/modules/monitoring/library/Monitoring/Backend/Ido/Query/IdoQuery.php
+++ b/modules/monitoring/library/Monitoring/Backend/Ido/Query/IdoQuery.php
@@ -479,8 +479,12 @@ abstract class IdoQuery extends DbQuery
         }
     }
 
+    /**
+     * {@inheritdoc}
+     */
     public function addFilter(Filter $filter)
     {
+        $filter = clone $filter;
         $this->requireFilterColumns($filter);
         return parent::addFilter($filter);
     }
diff --git a/modules/monitoring/library/Monitoring/MonitoringWizard.php b/modules/monitoring/library/Monitoring/MonitoringWizard.php
index 0a224610c..4b495c36e 100644
--- a/modules/monitoring/library/Monitoring/MonitoringWizard.php
+++ b/modules/monitoring/library/Monitoring/MonitoringWizard.php
@@ -120,9 +120,10 @@ class MonitoringWizard extends Wizard implements SetupWizard
                 'submit',
                 'backend_validation',
                 array(
-                    'ignore'        => true,
-                    'label'         => t('Validate Configuration'),
-                    'decorators'    => array('ViewHelper')
+                    'ignore'                => true,
+                    'label'                 => t('Validate Configuration'),
+                    'data-progress-label'   => t('Validation In Progress'),
+                    'decorators'            => array('ViewHelper')
                 )
             );
             $page->getDisplayGroup('buttons')->addElement($page->getElement('backend_validation'));
diff --git a/modules/monitoring/library/Monitoring/Web/Menu/BackendAvailabilityMenuItemRenderer.php b/modules/monitoring/library/Monitoring/Web/Menu/BackendAvailabilityMenuItemRenderer.php
index f65f25993..ca589d3cb 100644
--- a/modules/monitoring/library/Monitoring/Web/Menu/BackendAvailabilityMenuItemRenderer.php
+++ b/modules/monitoring/library/Monitoring/Web/Menu/BackendAvailabilityMenuItemRenderer.php
@@ -4,10 +4,10 @@
 namespace Icinga\Module\Monitoring\Web\Menu;
 
 use Icinga\Web\Menu;
-use Icinga\Web\Menu\MenuItemRenderer;
+use Icinga\Web\Menu\BadgeMenuItemRenderer;
 use Icinga\Module\Monitoring\Backend\MonitoringBackend;
 
-class BackendAvailabilityMenuItemRenderer extends MenuItemRenderer
+class BackendAvailabilityMenuItemRenderer extends BadgeMenuItemRenderer
 {
     /**
      * Get whether or not the monitoring backend is currently running
@@ -27,47 +27,39 @@ class BackendAvailabilityMenuItemRenderer extends MenuItemRenderer
     }
 
     /**
-     * {@inheritdoc}
-     */
-    public function render(Menu $menu)
-    {
-        return $this->getBadge() . $this->createLink($menu);
-    }
-
-    /**
-     * Get the problem badge HTML
+     * The css class of the badge
      *
      * @return string
      */
-    protected function getBadge()
+    public function getState()
     {
-        if (! $this->isCurrentlyRunning()) {
-            return sprintf(
-                '<div title="%s" class="badge-container"><span class="badge badge-critical">%d</span></div>',
-                sprintf(
-                    mt('monitoring', 'Monitoring backend %s is not running'), MonitoringBackend::instance()->getName()
-                ),
-                1
-            );
-        }
-        return '';
+        return self::STATE_CRITICAL;
     }
 
     /**
-     * Get the problem data for the summary
+     *  The amount of items to display in the badge
      *
-     * @return array|null
+     * @return int
      */
-    public function getSummary()
+    public function getCount()
     {
         if (! $this->isCurrentlyRunning()) {
-            return array(
-                'problems'  => 1,
-                'title'     => sprintf(
-                    mt('monitoring', 'Monitoring backend %s is not running'), MonitoringBackend::instance()->getName()
-                )
-            );
+            return 1;
         }
-        return null;
+        return 0;
+    }
+
+    /**
+     * The tooltip title
+     *
+     * @return string
+     * @throws \Icinga\Exception\ConfigurationError
+     */
+    public function getTitle()
+    {
+        return sprintf(
+            mt('monitoring', 'Monitoring backend %s is not running'),
+            MonitoringBackend::instance()->getName()
+        );
     }
 }
diff --git a/modules/monitoring/library/Monitoring/Web/Menu/MonitoringBadgeMenuItemRenderer.php b/modules/monitoring/library/Monitoring/Web/Menu/MonitoringBadgeMenuItemRenderer.php
new file mode 100644
index 000000000..90d02fe52
--- /dev/null
+++ b/modules/monitoring/library/Monitoring/Web/Menu/MonitoringBadgeMenuItemRenderer.php
@@ -0,0 +1,183 @@
+<?php
+/* Icinga Web 2 | (c) 2013-2015 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Module\Monitoring\Web\Menu;
+
+use Icinga\Authentication\Auth;
+use Icinga\Data\ConfigObject;
+use Icinga\Data\Filter\Filter;
+use Icinga\Data\Filterable;
+use Icinga\Web\Menu;
+use Icinga\Module\Monitoring\Backend\MonitoringBackend;
+use Icinga\Web\Menu\BadgeMenuItemRenderer;
+
+/**
+ * Render generic dataView columns as badges in MenuItems
+ *
+ * Renders numeric data view column values into menu item badges, fully configurable
+ * and with a caching mechanism to prevent needless requests to the same data view
+ */
+class MonitoringBadgeMenuItemRenderer extends BadgeMenuItemRenderer
+{
+    /**
+     * Caches the responses for all executed summaries
+     *
+     * @var array
+     */
+    protected static $summaries = array();
+
+    /**
+     * Accumulates all needed columns for a view to allow fetching the needed columns in
+     * one single query
+     *
+     * @var array
+     */
+    protected static $dataViews = array();
+
+    /**
+     * The data view displayed by this menu item
+     *
+     * @var string
+     */
+    protected $dataView;
+
+    /**
+     * The columns and titles displayed in the badge
+     *
+     * @var array
+     */
+    protected $columns;
+
+    /**
+     * The titles that will be used to render this menu item tooltip
+     *
+     * @var String[]
+     */
+    protected $titles;
+
+    /**
+     * The class of the badge element
+     *
+     * @var string
+     */
+    protected $state;
+
+    /**
+     * Create a new instance of ColumnMenuItemRenderer
+     *
+     * It is possible to configure the class of the rendered badge as option 'class', the column
+     * to fetch using the option 'column' and the dataView from which the columns will be
+     * fetched using the option 'dataView'.
+     *
+     * @param $configuration ConfigObject   The configuration to use
+     */
+    public function __construct(ConfigObject $configuration)
+    {
+        parent::__construct($configuration);
+
+        $this->columns  = $configuration->get('columns');
+        $this->state    = $configuration->get('state');
+        $this->dataView = $configuration->get('dataView');
+
+        // clear the outdated summary cache, since new columns are being added. Optimally all menu item are constructed
+        // before any rendering is going on to avoid trashing too man old requests
+        if (isset(self::$summaries[$this->dataView])) {
+            unset(self::$summaries[$this->dataView]);
+        }
+
+        // add the new columns to this view
+        if (! isset(self::$dataViews[$this->dataView])) {
+            self::$dataViews[$this->dataView] = array();
+        }
+        foreach ($this->columns as $column => $title) {
+            if (! array_search($column, self::$dataViews[$this->dataView])) {
+                self::$dataViews[$this->dataView][] = $column;
+            }
+            $this->titles[$column] = $title;
+        }
+    }
+
+    /**
+     * Apply a restriction on the given data view
+     *
+     * @param   string      $restriction    The name of restriction
+     * @param   Filterable  $filterable     The filterable to restrict
+     *
+     * @return  Filterable  The filterable
+     */
+    protected static function applyRestriction($restriction, Filterable $filterable)
+    {
+        $restrictions = Filter::matchAny();
+        foreach (Auth::getInstance()->getRestrictions($restriction) as $filter) {
+            $restrictions->addFilter(Filter::fromQueryString($filter));
+        }
+        $filterable->applyFilter($restrictions);
+        return $filterable;
+    }
+
+    /**
+     * Fetch the response from the database or access cache
+     *
+     * @param $view
+     *
+     * @return null
+     * @throws \Icinga\Exception\ConfigurationError
+     */
+    protected static function summary($view)
+    {
+        if (! isset(self::$summaries[$view])) {
+            $summary = MonitoringBackend::instance()->select()->from(
+                $view,
+                self::$dataViews[$view]
+            );
+            static::applyRestriction('monitoring/filter/objects', $summary);
+            self::$summaries[$view] = $summary->fetchRow();
+        }
+        return isset(self::$summaries[$view]) ? self::$summaries[$view] : null;
+    }
+
+    /**
+     * Defines the color of the badge
+     *
+     * @return string
+     */
+    public function getState()
+    {
+        return $this->state;
+    }
+
+    /**
+     * The amount of items to display in the badge
+     *
+     * @return int
+     */
+    public function getCount()
+    {
+        $sum = self::summary($this->dataView);
+        $count = 0;
+
+        foreach ($this->columns as $col => $title) {
+            if (isset($sum->$col)) {
+                $count += $sum->$col;
+            }
+        }
+        return $count;
+    }
+
+    /**
+     * The tooltip title
+     *
+     * @return string
+     */
+    public function getTitle()
+    {
+        $titles = array();
+        $sum = $this->summary($this->dataView);
+        foreach ($this->columns as $column => $value) {
+            if (isset($sum->$column) && $sum->$column > 0) {
+                $titles[] = sprintf($this->titles[$column], $sum->$column);
+            }
+        }
+        return implode(', ', $titles);
+    }
+}
diff --git a/modules/monitoring/library/Monitoring/Web/Menu/MonitoringMenuItemRenderer.php b/modules/monitoring/library/Monitoring/Web/Menu/MonitoringMenuItemRenderer.php
deleted file mode 100644
index df901b165..000000000
--- a/modules/monitoring/library/Monitoring/Web/Menu/MonitoringMenuItemRenderer.php
+++ /dev/null
@@ -1,109 +0,0 @@
-<?php
-/* Icinga Web 2 | (c) 2013-2015 Icinga Development Team | GPLv2+ */
-
-namespace Icinga\Module\Monitoring\Web\Menu;
-
-use Icinga\Authentication\Auth;
-use Icinga\Data\Filter\Filter;
-use Icinga\Data\Filterable;
-use Icinga\Web\Menu;
-use Icinga\Module\Monitoring\Backend\MonitoringBackend;
-use Icinga\Web\Menu\MenuItemRenderer;
-
-class MonitoringMenuItemRenderer extends MenuItemRenderer
-{
-    protected static $summary;
-
-    protected $columns = array();
-
-    /**
-     * Apply a restriction on the given data view
-     *
-     * @param   string      $restriction    The name of restriction
-     * @param   Filterable  $filterable     The filterable to restrict
-     *
-     * @return  Filterable  The filterable
-     */
-    protected static function applyRestriction($restriction, Filterable $filterable)
-    {
-        $restrictions = Filter::matchAny();
-        foreach (Auth::getInstance()->getRestrictions($restriction) as $filter) {
-            $restrictions->addFilter(Filter::fromQueryString($filter));
-        }
-        $filterable->applyFilter($restrictions);
-        return $filterable;
-    }
-
-    protected static function summary($column = null)
-    {
-        if (self::$summary === null) {
-            $summary = MonitoringBackend::instance()->select()->from(
-                'statussummary',
-                array(
-                    'hosts_down_unhandled',
-                    'services_critical_unhandled'
-                )
-            );
-            static::applyRestriction('monitoring/filter/objects', $summary);
-            self::$summary = $summary->fetchRow();
-        }
-
-        if ($column === null) {
-            return self::$summary;
-        } elseif (isset(self::$summary->$column)) {
-            return self::$summary->$column;
-        } else {
-            return null;
-        }
-    }
-
-    protected function getBadgeTitle()
-    {
-        $translations = array(
-            'hosts_down_unhandled'        => mt('monitoring', '%d unhandled hosts down'),
-            'services_critical_unhandled' => mt('monitoring', '%d unhandled services critical')
-        );
-
-        $titles = array();
-        $sum = $this->summary();
-
-        foreach ($this->columns as $col) {
-            if (isset($sum->$col) && $sum->$col > 0) {
-                $titles[] = sprintf($translations[$col], $sum->$col);
-            }
-        }
-
-        return implode(', ', $titles);
-    }
-
-    protected function countItems()
-    {
-        $sum = self::summary();
-        $count = 0;
-
-        foreach ($this->columns as $col) {
-            if (isset($sum->$col)) {
-                $count += $sum->$col;
-            }
-        }
-
-        return $count;
-    }
-
-    public function render(Menu $menu)
-    {
-        return $this->getBadge() . $this->createLink($menu);
-    }
-
-    protected function getBadge()
-    {
-        if ($count = $this->countItems()) {
-            return sprintf(
-                '<div title="%s" class="badge-container"><span class="badge badge-critical">%s</span></div>',
-                $this->getBadgeTitle(),
-                $count
-            );
-        }
-        return '';
-    }
-}
diff --git a/modules/monitoring/library/Monitoring/Web/Menu/ProblemMenuItemRenderer.php b/modules/monitoring/library/Monitoring/Web/Menu/ProblemMenuItemRenderer.php
deleted file mode 100644
index d17431398..000000000
--- a/modules/monitoring/library/Monitoring/Web/Menu/ProblemMenuItemRenderer.php
+++ /dev/null
@@ -1,12 +0,0 @@
-<?php
-/* Icinga Web 2 | (c) 2013-2015 Icinga Development Team | GPLv2+ */
-
-namespace Icinga\Module\Monitoring\Web\Menu;
-
-class ProblemMenuItemRenderer extends MonitoringMenuItemRenderer
-{
-    protected $columns = array(
-        'hosts_down_unhandled',
-        'services_critical_unhandled'
-    );
-}
diff --git a/modules/monitoring/library/Monitoring/Web/Menu/UnhandledHostMenuItemRenderer.php b/modules/monitoring/library/Monitoring/Web/Menu/UnhandledHostMenuItemRenderer.php
deleted file mode 100644
index a4692745b..000000000
--- a/modules/monitoring/library/Monitoring/Web/Menu/UnhandledHostMenuItemRenderer.php
+++ /dev/null
@@ -1,11 +0,0 @@
-<?php
-/* Icinga Web 2 | (c) 2013-2015 Icinga Development Team | GPLv2+ */
-
-namespace Icinga\Module\Monitoring\Web\Menu;
-
-class UnhandledHostMenuItemRenderer extends MonitoringMenuItemRenderer
-{
-    protected $columns = array(
-        'hosts_down_unhandled',
-    );
-}
diff --git a/modules/monitoring/library/Monitoring/Web/Menu/UnhandledServiceMenuItemRenderer.php b/modules/monitoring/library/Monitoring/Web/Menu/UnhandledServiceMenuItemRenderer.php
deleted file mode 100644
index 0c72cf47e..000000000
--- a/modules/monitoring/library/Monitoring/Web/Menu/UnhandledServiceMenuItemRenderer.php
+++ /dev/null
@@ -1,11 +0,0 @@
-<?php
-/* Icinga Web 2 | (c) 2013-2015 Icinga Development Team | GPLv2+ */
-
-namespace Icinga\Module\Monitoring\Web\Menu;
-
-class UnhandledServiceMenuItemRenderer extends MonitoringMenuItemRenderer
-{
-    protected $columns = array(
-        'services_critical_unhandled'
-    );
-}
diff --git a/modules/monitoring/public/css/module.less b/modules/monitoring/public/css/module.less
index 3aabe1f51..6ea967a1c 100644
--- a/modules/monitoring/public/css/module.less
+++ b/modules/monitoring/public/css/module.less
@@ -186,10 +186,6 @@ table.avp {
         }
     }
 
-    .autosubmit-warning {
-        display: none;
-    }
-
     .object-features {
         label {
             font-weight: normal;
diff --git a/modules/monitoring/public/js/module.js b/modules/monitoring/public/js/module.js
index 3421be2cf..d36af9502 100644
--- a/modules/monitoring/public/js/module.js
+++ b/modules/monitoring/public/js/module.js
@@ -2,84 +2,83 @@
 
 (function(Icinga) {
 
-  var Monitoring = function(module) {
-    /**
-     * The Icinga.Module instance
-     */
-    this.module = module;
+    var Monitoring = function(module) {
+        /**
+         * The Icinga.Module instance
+         */
+        this.module = module;
 
-    /**
-     * The observer used to handle the timeline's infinite loading
-     */
-    this.scrollCheckTimer = null;
-
-    /**
-     * Whether to skip the timeline's scroll-check
-     */
-    this.skipScrollCheck = false;
-
-    this.initialize();
-  };
-
-  Monitoring.prototype = {
-
-    initialize: function()
-    {
-      this.module.on('rendered', this.enableScrollCheck);
-      this.module.icinga.logger.debug('Monitoring module loaded');
-    },
-
-    /**
-     * Enable the timeline's scroll-check
-     */
-    enableScrollCheck: function()
-    {
-      /**
-       * Re-enable the scroll-check in case the timeline has just been extended
-       */
-      if (this.skipScrollCheck) {
-        this.skipScrollCheck = false;
-      }
-
-      /**
-       * Prepare the timer to handle the timeline's infinite loading
-       */
-      var $timeline = $('div.timeline');
-      if ($timeline.length && !$timeline.closest('.dashboard').length) {
-        if (this.scrollCheckTimer === null) {
-          this.scrollCheckTimer = this.module.icinga.timer.register(
-            this.checkTimelinePosition,
-            this,
-            800
-          );
-          this.module.icinga.logger.debug('Enabled timeline scroll-check');
-        }
-      }
-    },
-
-    /**
-     * Check whether the user scrolled to the end of the timeline
-     */
-    checkTimelinePosition: function()
-    {
-      if (!$('div.timeline').length) {
-        this.module.icinga.timer.unregister(this.scrollCheckTimer);
+        /**
+         * The observer used to handle the timeline's infinite loading
+         */
         this.scrollCheckTimer = null;
-        this.module.icinga.logger.debug('Disabled timeline scroll-check');
-      } else if (!this.skipScrollCheck && this.module.icinga.utils.isVisible('#end')) {
-        this.skipScrollCheck = true;
-        this.module.icinga.loader.loadUrl(
-          $('#end').remove().attr('href'),
-          $('div.timeline'),
-          undefined,
-          undefined,
-          'append'
-        );
-      }
-    }
 
-  };
+        /**
+         * Whether to skip the timeline's scroll-check
+         */
+        this.skipScrollCheck = false;
 
-  Icinga.availableModules.monitoring = Monitoring;
+        this.initialize();
+    };
+
+    Monitoring.prototype = {
+
+        initialize: function()
+        {
+            this.module.on('rendered', this.enableScrollCheck);
+            this.module.icinga.logger.debug('Monitoring module loaded');
+        },
+
+        /**
+         * Enable the timeline's scroll-check
+         */
+        enableScrollCheck: function()
+        {
+            /**
+             * Re-enable the scroll-check in case the timeline has just been extended
+             */
+            if (this.skipScrollCheck) {
+                this.skipScrollCheck = false;
+            }
+
+            /**
+             * Prepare the timer to handle the timeline's infinite loading
+             */
+            var $timeline = $('div.timeline');
+            if ($timeline.length && !$timeline.closest('.dashboard').length) {
+                if (this.scrollCheckTimer === null) {
+                    this.scrollCheckTimer = this.module.icinga.timer.register(
+                        this.checkTimelinePosition,
+                        this,
+                        800
+                    );
+                    this.module.icinga.logger.debug('Enabled timeline scroll-check');
+                }
+            }
+        },
+
+        /**
+         * Check whether the user scrolled to the end of the timeline
+         */
+        checkTimelinePosition: function()
+        {
+            if (!$('div.timeline').length) {
+                this.module.icinga.timer.unregister(this.scrollCheckTimer);
+                this.scrollCheckTimer = null;
+                this.module.icinga.logger.debug('Disabled timeline scroll-check');
+            } else if (!this.skipScrollCheck && this.module.icinga.utils.isVisible('#end')) {
+                this.skipScrollCheck = true;
+                this.module.icinga.loader.loadUrl(
+                    $('#end').remove().attr('href'),
+                    $('div.timeline'),
+                    undefined,
+                    undefined,
+                    'append'
+                ).addToHistory = false;
+            }
+        }
+    };
+
+    Icinga.availableModules.monitoring = Monitoring;
 
 }(Icinga));
diff --git a/modules/setup/application/views/scripts/form/setup-modules.phtml b/modules/setup/application/views/scripts/form/setup-modules.phtml
index 8d8e9ecf9..859acfaa2 100644
--- a/modules/setup/application/views/scripts/form/setup-modules.phtml
+++ b/modules/setup/application/views/scripts/form/setup-modules.phtml
@@ -3,11 +3,18 @@
 use Icinga\Web\Wizard;
 
 ?>
-<form id="<?= $form->getName(); ?>" name="<?= $form->getName(); ?>" enctype="<?= $form->getEncType(); ?>" method="<?= $form->getMethod(); ?>" action="<?= $form->getAction(); ?>">
+<form
+ id="<?= $form->getName(); ?>"
+ name="<?= $form->getName(); ?>"
+ enctype="<?= $form->getEncType(); ?>"
+ method="<?= $form->getMethod(); ?>"
+ action="<?= $form->getAction(); ?>"
+ data-progress-element="<?= Wizard::PROGRESS_ELEMENT; ?>"
+>
 <h2><?= $this->translate('Modules', 'setup.page.title'); ?></h2>
 <p><?= $this->translate('The following modules were found in your Icinga Web 2 installation. To enable and configure a module, just tick it and click "Next".'); ?></p>
 <?php foreach ($form->getElements() as $element): ?>
- <?php if (! in_array($element->getName(), array(Wizard::BTN_PREV, Wizard::BTN_NEXT, $form->getTokenElementName(), $form->getUidElementName()))): ?>
+ <?php if (! in_array($element->getName(), array(Wizard::BTN_PREV, Wizard::BTN_NEXT, Wizard::PROGRESS_ELEMENT, $form->getTokenElementName(), $form->getUidElementName()))): ?>
   <div class="module">
     <h3><label for="<?= $element->getId(); ?>"><strong><?= $element->getLabel(); ?></strong></label></h3>
     <label for="<?= $element->getId(); ?>"><?= $element->getDescription(); ?></label>
@@ -20,5 +27,6 @@ use Icinga\Web\Wizard;
   <div class="buttons">
     <?= $form->getElement(Wizard::BTN_PREV); ?>
     <?= $form->getElement(Wizard::BTN_NEXT); ?>
+    <?= $form->getElement(Wizard::PROGRESS_ELEMENT); ?>
   </div>
 </form>
diff --git a/modules/setup/application/views/scripts/form/setup-requirements.phtml b/modules/setup/application/views/scripts/form/setup-requirements.phtml
index fbd2c692a..3ddd5b404 100644
--- a/modules/setup/application/views/scripts/form/setup-requirements.phtml
+++ b/modules/setup/application/views/scripts/form/setup-requirements.phtml
@@ -9,7 +9,14 @@ use Icinga\Web\Wizard;
 <h1><?= ucwords($moduleName) . ' ' . $this->translate('Module'); ?></h1>
 <?= $wizard->getRequirements(); ?>
 <?php endforeach ?>
-<form id="<?= $form->getName(); ?>" name="<?= $form->getName(); ?>" enctype="<?= $form->getEncType(); ?>" method="<?= $form->getMethod(); ?>" action="<?= $form->getAction(); ?>">
+<form
+ id="<?= $form->getName(); ?>"
+ name="<?= $form->getName(); ?>"
+ enctype="<?= $form->getEncType(); ?>"
+ method="<?= $form->getMethod(); ?>"
+ action="<?= $form->getAction(); ?>"
+ data-progress-element="<?= Wizard::PROGRESS_ELEMENT; ?>"
+>
   <?= $form->getElement($form->getTokenElementName()); ?>
   <?= $form->getElement($form->getUidElementName()); ?>
   <div class="buttons">
@@ -21,6 +28,7 @@ use Icinga\Web\Wizard;
       }
       echo $btn;
     ?>
+    <?= $form->getElement(Wizard::PROGRESS_ELEMENT); ?>
     <div class="requirements-refresh">
       <?php $title = $this->translate('You may also need to restart the web-server for the changes to take effect!'); ?>
       <?= $this->qlink(
diff --git a/modules/setup/application/views/scripts/form/setup-summary.phtml b/modules/setup/application/views/scripts/form/setup-summary.phtml
index e8053a897..7c91ecd05 100644
--- a/modules/setup/application/views/scripts/form/setup-summary.phtml
+++ b/modules/setup/application/views/scripts/form/setup-summary.phtml
@@ -20,11 +20,20 @@ use Icinga\Web\Wizard;
  <?php endif ?>
 <?php endforeach ?>
 </div>
-<form id="<?= $form->getName(); ?>" name="<?= $form->getName(); ?>" enctype="<?= $form->getEncType(); ?>" method="<?= $form->getMethod(); ?>" action="<?= $form->getAction(); ?>" class="summary">
+<form
+ id="<?= $form->getName(); ?>"
+ name="<?= $form->getName(); ?>"
+ enctype="<?= $form->getEncType(); ?>"
+ method="<?= $form->getMethod(); ?>"
+ action="<?= $form->getAction(); ?>"
+ data-progress-element="<?= Wizard::PROGRESS_ELEMENT; ?>"
+ class="summary"
+>
   <?= $form->getElement($form->getTokenElementName()); ?>
   <?= $form->getElement($form->getUidElementName()); ?>
   <div class="buttons">
     <?= $form->getElement(Wizard::BTN_PREV); ?>
     <?= $form->getElement(Wizard::BTN_NEXT)->setAttrib('class', 'finish'); ?>
+    <?= $form->getElement(Wizard::PROGRESS_ELEMENT); ?>
   </div>
 </form>
\ No newline at end of file
diff --git a/modules/setup/library/Setup/Steps/GeneralConfigStep.php b/modules/setup/library/Setup/Steps/GeneralConfigStep.php
index 7924d87d0..8f49b9559 100644
--- a/modules/setup/library/Setup/Steps/GeneralConfigStep.php
+++ b/modules/setup/library/Setup/Steps/GeneralConfigStep.php
@@ -53,6 +53,10 @@ class GeneralConfigStep extends Step
 
         $generalHtml = ''
             . '<ul>'
+            . '<li>' . ($this->data['generalConfig']['global_show_stacktraces']
+                ? t('An exception\'s stacktrace is shown to every user by default.')
+                : t('An exception\'s stacktrace is hidden from every user by default.')
+            ) . '</li>'
             . '<li>' . sprintf(
                 $this->data['generalConfig']['global_config_backend'] === 'ini' ? sprintf(
                     t('Preferences will be stored per user account in INI files at: %s'),
diff --git a/modules/setup/library/Setup/WebWizard.php b/modules/setup/library/Setup/WebWizard.php
index e3831e673..7b67a2c2f 100644
--- a/modules/setup/library/Setup/WebWizard.php
+++ b/modules/setup/library/Setup/WebWizard.php
@@ -369,9 +369,10 @@ class WebWizard extends Wizard implements SetupWizard
                 'submit',
                 'backend_validation',
                 array(
-                    'ignore'        => true,
-                    'label'         => t('Validate Configuration'),
-                    'decorators'    => array('ViewHelper')
+                    'ignore'                => true,
+                    'label'                 => t('Validate Configuration'),
+                    'data-progress-label'   => t('Validation In Progress'),
+                    'decorators'            => array('ViewHelper')
                 )
             );
             $page->getDisplayGroup('buttons')->addElement($page->getElement('backend_validation'));
diff --git a/public/css/icinga/animation.less b/public/css/icinga/animation.less
index 928cdf526..7a44ff8b2 100644
--- a/public/css/icinga/animation.less
+++ b/public/css/icinga/animation.less
@@ -79,4 +79,269 @@
     -webkit-transform: rotate(359deg);
     transform: rotate(359deg);
   }
+}
+
+@-moz-keyframes move-vertical {
+  0% {
+    -moz-transform: translate(0, 100%);
+    -o-transform: translate(0, 100%);
+    -webkit-transform: translate(0, 100%);
+    transform: translate(0, 100%);
+  }
+
+  17% {
+    -moz-transform: translate(0, 66%);
+    -o-transform: translate(0, 66%);
+    -webkit-transform: translate(0, 66%);
+    transform: translate(0, 66%);
+  }
+
+  33% {
+    -moz-transform: translate(0, 33%);
+    -o-transform: translate(0, 33%);
+    -webkit-transform: translate(0, 33%);
+    transform: translate(0, 33%);
+  }
+
+  50% {
+    -moz-transform: translate(0, 0);
+    -o-transform: translate(0, 0);
+    -webkit-transform: translate(0, 0);
+    transform: translate(0, 0);
+  }
+
+  67% {
+    -moz-transform: translate(0, -33%);
+    -o-transform: translate(0, -33%);
+    -webkit-transform: translate(0, -33%);
+    transform: translate(0, -33%);
+  }
+
+  83% {
+    -moz-transform: translate(0, -66%);
+    -o-transform: translate(0, -66%);
+    -webkit-transform: translate(0, -66%);
+    transform: translate(0, -66%);
+  }
+
+  100% {
+    -moz-transform: translate(0, -100%);
+    -o-transform: translate(0, -100%);
+    -webkit-transform: translate(0, -100%);
+    transform: translate(0, -100%);
+  }
+}
+@-webkit-keyframes move-vertical {
+  0% {
+    -moz-transform: translate(0, 100%);
+    -o-transform: translate(0, 100%);
+    -webkit-transform: translate(0, 100%);
+    transform: translate(0, 100%);
+  }
+
+  17% {
+    -moz-transform: translate(0, 66%);
+    -o-transform: translate(0, 66%);
+    -webkit-transform: translate(0, 66%);
+    transform: translate(0, 66%);
+  }
+
+  33% {
+    -moz-transform: translate(0, 33%);
+    -o-transform: translate(0, 33%);
+    -webkit-transform: translate(0, 33%);
+    transform: translate(0, 33%);
+  }
+
+  50% {
+    -moz-transform: translate(0, 0);
+    -o-transform: translate(0, 0);
+    -webkit-transform: translate(0, 0);
+    transform: translate(0, 0);
+  }
+
+  67% {
+    -moz-transform: translate(0, -33%);
+    -o-transform: translate(0, -33%);
+    -webkit-transform: translate(0, -33%);
+    transform: translate(0, -33%);
+  }
+
+  83% {
+    -moz-transform: translate(0, -66%);
+    -o-transform: translate(0, -66%);
+    -webkit-transform: translate(0, -66%);
+    transform: translate(0, -66%);
+  }
+
+  100% {
+    -moz-transform: translate(0, -100%);
+    -o-transform: translate(0, -100%);
+    -webkit-transform: translate(0, -100%);
+    transform: translate(0, -100%);
+  }
+}
+@-o-keyframes move-vertical {
+  0% {
+    -moz-transform: translate(0, 100%);
+    -o-transform: translate(0, 100%);
+    -webkit-transform: translate(0, 100%);
+    transform: translate(0, 100%);
+  }
+
+  17% {
+    -moz-transform: translate(0, 66%);
+    -o-transform: translate(0, 66%);
+    -webkit-transform: translate(0, 66%);
+    transform: translate(0, 66%);
+  }
+
+  33% {
+    -moz-transform: translate(0, 33%);
+    -o-transform: translate(0, 33%);
+    -webkit-transform: translate(0, 33%);
+    transform: translate(0, 33%);
+  }
+
+  50% {
+    -moz-transform: translate(0, 0);
+    -o-transform: translate(0, 0);
+    -webkit-transform: translate(0, 0);
+    transform: translate(0, 0);
+  }
+
+  67% {
+    -moz-transform: translate(0, -33%);
+    -o-transform: translate(0, -33%);
+    -webkit-transform: translate(0, -33%);
+    transform: translate(0, -33%);
+  }
+
+  83% {
+    -moz-transform: translate(0, -66%);
+    -o-transform: translate(0, -66%);
+    -webkit-transform: translate(0, -66%);
+    transform: translate(0, -66%);
+  }
+
+  100% {
+    -moz-transform: translate(0, -100%);
+    -o-transform: translate(0, -100%);
+    -webkit-transform: translate(0, -100%);
+    transform: translate(0, -100%);
+  }
+}
+@-ms-keyframes move-vertical {
+  0% {
+    -moz-transform: translate(0, 100%);
+    -o-transform: translate(0, 100%);
+    -webkit-transform: translate(0, 100%);
+    transform: translate(0, 100%);
+  }
+
+  17% {
+    -moz-transform: translate(0, 66%);
+    -o-transform: translate(0, 66%);
+    -webkit-transform: translate(0, 66%);
+    transform: translate(0, 66%);
+  }
+
+  33% {
+    -moz-transform: translate(0, 33%);
+    -o-transform: translate(0, 33%);
+    -webkit-transform: translate(0, 33%);
+    transform: translate(0, 33%);
+  }
+
+  50% {
+    -moz-transform: translate(0, 0);
+    -o-transform: translate(0, 0);
+    -webkit-transform: translate(0, 0);
+    transform: translate(0, 0);
+  }
+
+  67% {
+    -moz-transform: translate(0, -33%);
+    -o-transform: translate(0, -33%);
+    -webkit-transform: translate(0, -33%);
+    transform: translate(0, -33%);
+  }
+
+  83% {
+    -moz-transform: translate(0, -66%);
+    -o-transform: translate(0, -66%);
+    -webkit-transform: translate(0, -66%);
+    transform: translate(0, -66%);
+  }
+
+  100% {
+    -moz-transform: translate(0, -100%);
+    -o-transform: translate(0, -100%);
+    -webkit-transform: translate(0, -100%);
+    transform: translate(0, -100%);
+  }
+}
+@keyframes move-vertical {
+  0% {
+    -moz-transform: translate(0, 100%);
+    -o-transform: translate(0, 100%);
+    -webkit-transform: translate(0, 100%);
+    transform: translate(0, 100%);
+  }
+
+  17% {
+    -moz-transform: translate(0, 66%);
+    -o-transform: translate(0, 66%);
+    -webkit-transform: translate(0, 66%);
+    transform: translate(0, 66%);
+  }
+
+  33% {
+    -moz-transform: translate(0, 33%);
+    -o-transform: translate(0, 33%);
+    -webkit-transform: translate(0, 33%);
+    transform: translate(0, 33%);
+  }
+
+  50% {
+    -moz-transform: translate(0, 0);
+    -o-transform: translate(0, 0);
+    -webkit-transform: translate(0, 0);
+    transform: translate(0, 0);
+  }
+
+  67% {
+    -moz-transform: translate(0, -33%);
+    -o-transform: translate(0, -33%);
+    -webkit-transform: translate(0, -33%);
+    transform: translate(0, -33%);
+  }
+
+  83% {
+    -moz-transform: translate(0, -66%);
+    -o-transform: translate(0, -66%);
+    -webkit-transform: translate(0, -66%);
+    transform: translate(0, -66%);
+  }
+
+  100% {
+    -moz-transform: translate(0, -100%);
+    -o-transform: translate(0, -100%);
+    -webkit-transform: translate(0, -100%);
+    transform: translate(0, -100%);
+  }
+}
+
+@keyframes blink {
+  0% {
+    opacity: 0.2;
+  }
+
+  20% {
+    opacity: 1;
+  }
+
+  100% {
+    opacity: 0.2;
+  }
 }
\ No newline at end of file
diff --git a/public/css/icinga/forms.less b/public/css/icinga/forms.less
index 82a5f5184..2ab93f869 100644
--- a/public/css/icinga/forms.less
+++ b/public/css/icinga/forms.less
@@ -107,6 +107,38 @@ form.inline {
   display: inline;
 }
 
+div.spinner {
+  display: inline-block;
+  margin-top: 0.2em;
+  margin-left: 0.25em;
+
+  i {
+    visibility: hidden;
+
+    &.active {
+      visibility: visible;
+
+      &:before {
+        .animate(spin 2s infinite linear);
+      }
+    }
+
+    &:before {
+      margin: 0; // Disables wobbling
+    }
+  }
+}
+
+button.animated.active {
+  &.move-up i:before {
+    .animate(move-vertical 500ms infinite linear);
+  }
+
+  &.move-down i:before {
+    .animate(move-vertical 500ms infinite linear reverse);
+  }
+}
+
 button, .button-like {
   font-size: 0.9em;
   font-weight: bold;
@@ -252,12 +284,18 @@ form div.element {
 
 form label {
   display: inline-block;
+  vertical-align: top;
+  margin-top: 0.25em;
   margin-right: 1em;
   font-size: 0.9em;
   width: 10em;
 }
 
-form div.element > * {
+form div.element i.help:before {
+  margin-top: 0.25em;
+}
+
+label ~ * {
   vertical-align: top;
 }
 
@@ -295,11 +333,11 @@ select.grant-permissions {
   width: auto;
 }
 
-label ~ input, label ~ select {
-  margin-left: 1.35em;
+label ~ input, label ~ select, label ~ textarea {
+  margin-left: 1.3em;
 }
 
-label + i ~ input, label + i ~ select {
+label + i ~ input, label + i ~ select, label + i ~ textarea {
   margin-left: 0;
 }
 
@@ -307,6 +345,21 @@ button.noscript-apply {
   margin-left: 0.5em;
 }
 
+i.autosubmit-warning {
+  display: inline-block;
+  margin-left: 0.2em;
+  margin-top: 0.25em;
+
+  &:before {
+    margin: 0; // Disables wobbling
+  }
+
+  &.spinning:before {
+    content: '\e874'; // icon-spin6
+    .animate(spin 2s infinite linear);
+  }
+}
+
 html.no-js i.autosubmit-warning {
   .sr-only;
 }
diff --git a/public/css/icinga/widgets.less b/public/css/icinga/widgets.less
index 7e6789dff..95b64429a 100644
--- a/public/css/icinga/widgets.less
+++ b/public/css/icinga/widgets.less
@@ -338,3 +338,15 @@ li li .badge {
   text-overflow: ellipsis;
 }
 
+.progress-label span {
+  font-size: 1.5em;
+  .animate(blink 1.4s infinite both);
+
+  &:nth-child(2) {
+    animation-delay: .2s;
+  }
+
+  &:nth-child(3) {
+    animation-delay: .4s;
+  }
+}
diff --git a/public/js/icinga/events.js b/public/js/icinga/events.js
index 71408d712..6a2db8dcc 100644
--- a/public/js/icinga/events.js
+++ b/public/js/icinga/events.js
@@ -212,6 +212,7 @@
             var method = $form.attr('method');
             var encoding = $form.attr('enctype');
             var $button = $('input[type=submit]:focus', $form).add('button[type=submit]:focus', $form);
+            var progressTimer;
             var $target;
             var data;
 
@@ -227,11 +228,11 @@
                     icinga.logger.debug('events/submitForm: Button is event.currentTarget');
                 }
 
-                if ($el && ($el.is('input[type=submit]') || $el.is('button[type=submit]'))) {
+                if ($el && ($el.is('input[type=submit]') || $el.is('button[type=submit]')) && $el.is(':focus')) {
                     $button = $el;
                 } else {
                     icinga.logger.debug(
-                        'events/submitForm: Can not determine submit button, using the first one in form'
+                        'events/submitForm: Can not determine submit button, using the last one in form'
                     );
                 }
             }
@@ -246,8 +247,12 @@
                 encoding = 'application/x-www-form-urlencoded';
             }
 
+            if (typeof autosubmit === 'undefined') {
+                autosubmit = false;
+            }
+
             if ($button.length === 0) {
-                $button = $('input[type=submit]', $form).add('button[type=submit]', $form).first();
+                $button = $('button[type=submit]', $form).add('input[type=submit]', $form).last();
             }
 
             if ($button.length) {
@@ -271,7 +276,7 @@
             if (method === 'GET') {
                 var dataObj = $form.serializeObject();
 
-                if (typeof autosubmit === 'undefined' || ! autosubmit) {
+                if (! autosubmit) {
                     if ($button.length && $button.attr('name') !== 'undefined') {
                         dataObj[$button.attr('name')] = $button.attr('value');
                     }
@@ -289,7 +294,7 @@
                             $form.find(':input:not(:disabled)').prop('disabled', true);
                         }, 0);
 
-                        if (! typeof autosubmit === 'undefined' && autosubmit) {
+                        if (autosubmit) {
                             if ($button.length) {
                                 // We're autosubmitting the form so the button has not been clicked, however,
                                 // to be really safe, we're disabling the button explicitly, just in case..
@@ -310,7 +315,7 @@
                     data = $form.serializeArray();
                 }
 
-                if (typeof autosubmit === 'undefined' || ! autosubmit) {
+                if (! autosubmit) {
                     if ($button.length && $button.attr('name') !== 'undefined') {
                         if (encoding === 'multipart/form-data') {
                             data.append($button.attr('name'), $button.attr('value'));
@@ -328,7 +333,55 @@
             // Note that disabled form inputs will not be enabled via JavaScript again
             $form.find(':input:not(#search):not(:disabled)').prop('disabled', true);
 
-            icinga.loader.loadUrl(url, $target, data, method);
+            // Show a spinner depending on how the form is being submitted
+            if (autosubmit && typeof $el !== 'undefined' && $el.next().hasClass('autosubmit-warning')) {
+                $el.next().addClass('spinning');
+            } else if ($button.length && $button.is('button') && $button.hasClass('animated')) {
+                $button.addClass('active');
+            } else if ($button.length && $button.attr('data-progress-label')) {
+                var isInput = $button.is('input');
+                if (isInput) {
+                    $button.prop('value', $button.attr('data-progress-label') + '...');
+                } else {
+                    $button.html($button.attr('data-progress-label') + '...');
+                }
+
+                // Use a fixed width to prevent the button from wobbling
+                $button.css('width', $button.css('width'));
+
+                progressTimer = icinga.timer.register(function () {
+                    var label = isInput ? $button.prop('value') : $button.html();
+                    var dots = label.substr(-3);
+
+                    // Using empty spaces here to prevent centered labels from wobbling
+                    if (dots === '...') {
+                        label = label.slice(0, -2) + '  ';
+                    } else if (dots === '.. ') {
+                        label = label.slice(0, -1) + '.';
+                    } else if (dots === '.  ') {
+                        label = label.slice(0, -2) + '. ';
+                    }
+
+                    if (isInput) {
+                        $button.prop('value', label);
+                    } else {
+                        $button.html(label);
+                    }
+                }, null, 100);
+            } else if ($button.length && $button.next().hasClass('spinner')) {
+                $('i', $button.next()).addClass('active');
+            } else if ($form.attr('data-progress-element')) {
+                var $progressElement = $('#' + $form.attr('data-progress-element'));
+                if ($progressElement.length) {
+                    if ($progressElement.hasClass('spinner')) {
+                        $('i', $progressElement).addClass('active');
+                    } else {
+                        $('i.autosubmit-warning', $progressElement).addClass('spinning');
+                    }
+                }
+            }
+
+            icinga.loader.loadUrl(url, $target, data, method).progressTimer = progressTimer;
 
             event.stopPropagation();
             event.preventDefault();
@@ -509,6 +562,9 @@
                     self.icinga.ui.layout1col();
                 } else {
                     $target = $('#' + targetId);
+                    if (! $target.length) {
+                        self.icinga.logger.warn('Link target "#' + targetId + '" does not exist in DOM.');
+                    }
                 }
 
             }
diff --git a/public/js/icinga/loader.js b/public/js/icinga/loader.js
index ff63f808a..6a296d03c 100644
--- a/public/js/icinga/loader.js
+++ b/public/js/icinga/loader.js
@@ -42,13 +42,15 @@
         /**
          * Load the given URL to the given target
          *
-         * @param {string} url     URL to be loaded
-         * @param {object} target  Target jQuery element
-         * @param {object} data    Optional parameters, usually for POST requests
-         * @param {string} method  HTTP method, default is 'GET'
-         * @param {string} action  How to handle the response ('replace' or 'append'), default is 'replace'
+         * @param {string}  url             URL to be loaded
+         * @param {object}  target          Target jQuery element
+         * @param {object}  data            Optional parameters, usually for POST requests
+         * @param {string}  method          HTTP method, default is 'GET'
+         * @param {string}  action          How to handle the response ('replace' or 'append'), default is 'replace'
+         * @param {boolean} autorefresh     Whether the cause is a autorefresh or not
+         * @param {object}  progressTimer   A timer to be stopped when the request is done
          */
-        loadUrl: function (url, $target, data, method, action, autorefresh) {
+        loadUrl: function (url, $target, data, method, action, autorefresh, progressTimer) {
             var id = null;
 
             // Default method is GET
@@ -131,6 +133,7 @@
             req.autorefresh = autorefresh;
             req.action = action;
             req.addToHistory = true;
+            req.progressTimer = progressTimer;
 
             if (id) {
                 this.requests[id] = req;
@@ -537,6 +540,10 @@
                 return;
             }
 
+            if (typeof req.progressTimer !== 'undefined') {
+                this.icinga.timer.unregister(req.progressTimer);
+            }
+
             // .html() removes outer div we added above
             this.renderContentToContainer($resp.html(), req.$target, req.action, req.autorefresh);
             if (oldNotifications) {
@@ -638,6 +645,10 @@
                 req.$target.data('icingaUrl', url);
             }
 
+            if (typeof req.progressTimer !== 'undefined') {
+                this.icinga.timer.unregister(req.progressTimer);
+            }
+
             if (req.status > 0) {
                 this.icinga.logger.error(
                     req.status,