diff --git a/application/clicommands/WebCommand.php b/application/clicommands/WebCommand.php
index 4124cd731..11e7f002a 100644
--- a/application/clicommands/WebCommand.php
+++ b/application/clicommands/WebCommand.php
@@ -5,7 +5,7 @@
 namespace Icinga\Clicommands;
 
 use Icinga\Cli\Command;
-use Exception;
+use Icinga\Exception\IcingaException;
 
 class WebCommand extends Command
 {
@@ -13,11 +13,11 @@ class WebCommand extends Command
     {
         $minVersion = '5.4.0';
         if (version_compare(PHP_VERSION, $minVersion) < 0) {
-            throw new Exception(sprintf(
+            throw new IcingaException(
                 'You are running PHP %s, internal webserver requires %s.',
                 PHP_VERSION,
                 $minVersion
-            ));
+            );
         }
 
         $fork = $this->params->get('daemonize');
@@ -27,12 +27,12 @@ class WebCommand extends Command
         // TODO: Sanity check!!
         if ($socket === null) {
             $socket = '0.0.0.0:80';
-            // throw new Exception('Socket is required');
+            // throw new IcingaException('Socket is required');
         }
         if ($basedir === null) {
             $basedir = dirname(ICINGAWEB_APPDIR) . '/public';
             if (! file_exists($basedir) || ! is_dir($basedir)) {
-                throw new Exception('Basedir is required');
+                throw new IcingaException('Basedir is required');
             }
         }
         $basedir = realpath($basedir);
@@ -68,7 +68,7 @@ class WebCommand extends Command
     {
         $pid = pcntl_fork();
         if ($pid == -1) {
-             throw new Exception('Could not fork');
+             throw new IcingaException('Could not fork');
         } else if ($pid) {
             echo $this->screen->colorize('[OK]')
                . " Icinga Web server forked successfully\n";
diff --git a/application/controllers/DashboardController.php b/application/controllers/DashboardController.php
index dc48dd7f3..72824178d 100644
--- a/application/controllers/DashboardController.php
+++ b/application/controllers/DashboardController.php
@@ -12,6 +12,7 @@ use Icinga\Form\Dashboard\AddUrlForm;
 use Icinga\Exception\NotReadableError;
 use Icinga\Exception\ConfigurationError;
 use Icinga\Web\Controller\ActionController;
+use Icinga\Exception\IcingaException;
 
 /**
  * Handle creation, removal and displaying of dashboards, panes and components
@@ -42,7 +43,7 @@ class DashboardController extends ActionController
             }
             $dashboard->readConfig($dashboardConfig);
         } catch (NotReadableError $e) {
-            Logger::error(new Exception('Cannot load dashboard configuration. An exception was thrown:', 0, $e));
+            Logger::error(new IcingaException('Cannot load dashboard configuration. An exception was thrown:', $e));
             return null;
         }
         return $dashboard;
diff --git a/application/forms/Config/Authentication/LdapBackendForm.php b/application/forms/Config/Authentication/LdapBackendForm.php
index 89f446795..6dd0d9bd3 100644
--- a/application/forms/Config/Authentication/LdapBackendForm.php
+++ b/application/forms/Config/Authentication/LdapBackendForm.php
@@ -157,7 +157,7 @@ class LdapBackendForm extends BaseBackendForm
             $testConn->assertAuthenticationPossible();
             /*
             if ($testConn->count() === 0) {
-                throw new Exception('No Users Found On Directory Server');
+                throw new IcingaException('No Users Found On Directory Server');
             }
             */
         } catch (Exception $exc) {
diff --git a/library/Icinga/Application/ApplicationBootstrap.php b/library/Icinga/Application/ApplicationBootstrap.php
index 19fb48b58..3f68ce43b 100644
--- a/library/Icinga/Application/ApplicationBootstrap.php
+++ b/library/Icinga/Application/ApplicationBootstrap.php
@@ -14,6 +14,7 @@ use Icinga\Exception\NotReadableError;
 use Icinga\Logger\Logger;
 use Icinga\Util\DateTimeFactory;
 use Icinga\Util\Translator;
+use Icinga\Exception\IcingaException;
 
 /**
  * This class bootstraps a thin Icinga application layer
@@ -332,7 +333,7 @@ abstract class ApplicationBootstrap
         try {
             $this->moduleManager->loadEnabledModules();
         } catch (NotReadableError $e) {
-            Logger::error(new Exception('Cannot load enabled modules. An exception was thrown:', 0, $e));
+            Logger::error(new IcingaException('Cannot load enabled modules. An exception was thrown:', $e));
         }
         return $this;
     }
@@ -369,7 +370,7 @@ abstract class ApplicationBootstrap
         try {
             $this->config = Config::app();
         } catch (NotReadableError $e) {
-            Logger::error(new Exception('Cannot load application configuration. An exception was thrown:', 0, $e));
+            Logger::error(new IcingaException('Cannot load application configuration. An exception was thrown:', $e));
             $this->config = new Zend_Config(array());
         }
         return $this;
@@ -417,7 +418,7 @@ abstract class ApplicationBootstrap
             ResourceFactory::setConfig($config);
         } catch (NotReadableError $e) {
             Logger::error(
-                new Exception('Cannot load resource configuration. An exception was thrown:', 0, $e)
+                new IcingaException('Cannot load resource configuration. An exception was thrown:', $e)
             );
         }
 
diff --git a/library/Icinga/Application/Modules/Module.php b/library/Icinga/Application/Modules/Module.php
index ebc939f49..fc7c25b17 100644
--- a/library/Icinga/Application/Modules/Module.php
+++ b/library/Icinga/Application/Modules/Module.php
@@ -19,6 +19,7 @@ use Icinga\Web\Widget;
 use Icinga\Web\Widget\Dashboard\Pane;
 use Icinga\Util\File;
 use Icinga\Exception\ProgrammingError;
+use Icinga\Exception\IcingaException;
 
 /**
  * Module handling
@@ -630,8 +631,9 @@ class Module
     protected function providePermission($name, $description)
     {
         if ($this->providesPermission($name)) {
-            throw new Exception(
-                sprintf('Cannot provide permission "%s" twice', $name)
+            throw new IcingaException(
+                'Cannot provide permission "%s" twice',
+                $name
             );
         }
         $this->permissionList[$name] = (object) array(
@@ -651,8 +653,9 @@ class Module
     protected function provideRestriction($name, $description)
     {
         if ($this->providesRestriction($name)) {
-            throw new Exception(
-                sprintf('Cannot provide restriction "%s" twice', $name)
+            throw new IcingaException(
+                'Cannot provide restriction "%s" twice',
+                $name
             );
         }
         $this->restrictionList[$name] = (object) array(
diff --git a/library/Icinga/Authentication/Backend/DbUserBackend.php b/library/Icinga/Authentication/Backend/DbUserBackend.php
index 95c99c346..a89a07c81 100644
--- a/library/Icinga/Authentication/Backend/DbUserBackend.php
+++ b/library/Icinga/Authentication/Backend/DbUserBackend.php
@@ -11,6 +11,7 @@ use Icinga\Exception\AuthenticationException;
 use Exception;
 use Zend_Db_Expr;
 use Zend_Db_Select;
+use Icinga\Exception\IcingaException;
 
 class DbUserBackend extends UserBackend
 {
@@ -60,7 +61,10 @@ class DbUserBackend extends UserBackend
                 return false;
             }
             if ($salt === '') {
-                throw new Exception('Cannot find salt for user ' . $user->getUsername());
+                throw new IcingaException(
+                    'Cannot find salt for user %s',
+                    $user->getUsername()
+                );
             }
 
             $select = new Zend_Db_Select($this->conn->getConnection());
diff --git a/library/Icinga/Authentication/Manager.php b/library/Icinga/Authentication/Manager.php
index ec49aa416..75cf81481 100644
--- a/library/Icinga/Authentication/Manager.php
+++ b/library/Icinga/Authentication/Manager.php
@@ -13,6 +13,7 @@ use Icinga\Exception\NotReadableError;
 use Icinga\Application\Config as IcingaConfig;
 use Icinga\User\Preferences;
 use Icinga\User\Preferences\PreferencesStore;
+use Icinga\Exception\IcingaException;
 
 class Manager
 {
@@ -55,7 +56,11 @@ class Manager
             $config = IcingaConfig::app();
         } catch (NotReadableError $e) {
             Logger::error(
-                new Exception('Cannot load preferences for user "' . $username . '". An exception was thrown', 0, $e)
+                new IcingaException(
+                    'Cannot load preferences for user "%s". An exception was thrown',
+                    $username,
+                    $e
+                )
             );
             $config = new Zend_Config(array());
         }
@@ -68,8 +73,10 @@ class Manager
                 $preferences = new Preferences($preferencesStore->load());
             } catch (NotReadableError $e) {
                 Logger::error(
-                    new Exception(
-                        'Cannot load preferences for user "' . $username . '". An exception was thrown', 0, $e
+                    new IcingaException(
+                        'Cannot load preferences for user "%s". An exception was thrown',
+                        $username,
+                        $e
                     )
                 );
                 $preferences = new Preferences();
diff --git a/library/Icinga/Chart/Chart.php b/library/Icinga/Chart/Chart.php
index be436df2a..0974850ed 100644
--- a/library/Icinga/Chart/Chart.php
+++ b/library/Icinga/Chart/Chart.php
@@ -9,6 +9,7 @@ use Icinga\Chart\Legend;
 use Icinga\Chart\Palette;
 use Icinga\Chart\Primitive\Drawable;
 use Icinga\Chart\SVGRenderer;
+use Icinga\Exception\IcingaException;
 
 /**
  * Base class for charts, extended by all other Chart classes.
@@ -87,15 +88,15 @@ abstract class Chart implements Drawable
      *
      * Render this graph and return the created SVG
      *
-     * @return  string      The SVG created by the SvgRenderer
+     * @return  string              The SVG created by the SvgRenderer
      *
-     * @throws  Exception   Thrown wen the dataset is not valid for this graph
+     * @throws  IcingaException     Thrown wen the dataset is not valid for this graph
      * @see     SVGRenderer::render
      */
     public function render()
     {
         if (!$this->isValidDataFormat()) {
-            throw new Exception('Dataset for graph doesn\'t have the proper structure');
+            throw new IcingaException('Dataset for graph doesn\'t have the proper structure');
         }
         $this->build();
 
diff --git a/library/Icinga/Chart/Inline/PieChart.php b/library/Icinga/Chart/Inline/PieChart.php
index 573c5e05d..7b2108720 100644
--- a/library/Icinga/Chart/Inline/PieChart.php
+++ b/library/Icinga/Chart/Inline/PieChart.php
@@ -7,6 +7,7 @@ namespace Icinga\Chart\Inline;
 use Icinga\Chart\PieChart as PieChartRenderer;
 use Imagick;
 use Exception;
+use Icinga\Exception\IcingaException;
 
 /**
  * Draw an inline pie-chart directly from the available request parameters.
@@ -33,7 +34,7 @@ class PieChart extends Inline
     {
         if (! class_exists('Imagick')) {
             // TODO: This is quick & dirty. 404?
-            throw new Exception('Cannot render PNGs without Imagick');
+            throw new IcingaException('Cannot render PNGs without Imagick');
         }
         $image = new Imagick();
         $image->readImageBlob($this->render(false));
diff --git a/library/Icinga/Cli/AnsiScreen.php b/library/Icinga/Cli/AnsiScreen.php
index d3eeed44e..f3b2b6654 100644
--- a/library/Icinga/Cli/AnsiScreen.php
+++ b/library/Icinga/Cli/AnsiScreen.php
@@ -5,6 +5,7 @@
 namespace Icinga\Cli;
 
 use Icinga\Cli\Screen;
+use Icinga\Exception\IcingaException;
 
 // @see http://en.wikipedia.org/wiki/ANSI_escape_code
 
@@ -74,7 +75,10 @@ class AnsiScreen extends Screen
     protected function fgColor($color)
     {
         if (! array_key_exists($color, $this->fgColors)) {
-            throw new \Exception(sprintf('There is no such foreground color: %s', $color));
+            throw new IcingaException(
+                'There is no such foreground color: %s',
+                $color
+            );
         }
         return $this->fgColors[$color];
     }
@@ -82,7 +86,10 @@ class AnsiScreen extends Screen
     protected function bgColor($color)
     {
         if (! array_key_exists($color, $this->bgColors)) {
-            throw new \Exception(sprintf('There is no such background color: %s', $color));
+            throw new IcingaException(
+                'There is no such background color: %s',
+                $color
+            );
         }
         return $this->bgColors[$color];
     }
diff --git a/library/Icinga/Cli/Command.php b/library/Icinga/Cli/Command.php
index acb2462e4..7546f871f 100644
--- a/library/Icinga/Cli/Command.php
+++ b/library/Icinga/Cli/Command.php
@@ -10,6 +10,7 @@ use Icinga\Cli\Params;
 use Icinga\Application\Config;
 use Icinga\Application\ApplicationBootstrap as App;
 use Exception;
+use Icinga\Exception\IcingaException;
 
 abstract class Command
 {
@@ -123,7 +124,7 @@ abstract class Command
 
     public function fail($msg)
     {
-        throw new Exception($msg);
+        throw new IcingaException('%s', $msg);
     }
 
     public function getDefaultActionName()
diff --git a/library/Icinga/Data/Db/DbQuery.php b/library/Icinga/Data/Db/DbQuery.php
index 3fb74a656..605e36af9 100644
--- a/library/Icinga/Data/Db/DbQuery.php
+++ b/library/Icinga/Data/Db/DbQuery.php
@@ -11,6 +11,7 @@ use Icinga\Data\Filter\FilterExpression;
 use Icinga\Data\Filter\FilterOr;
 use Icinga\Data\Filter\FilterAnd;
 use Icinga\Data\Filter\FilterNot;
+use Icinga\Exception\IcingaException;
 use Zend_Db_Select;
 
 /**
@@ -124,7 +125,10 @@ class DbQuery extends SimpleQuery
                 $op = ' AND ';
                 $str .= ' NOT ';
             } else {
-                throw new \Exception('Cannot render filter: ' . $filter);
+                throw new IcingaException(
+                    'Cannot render filter: %s',
+                    $filter
+                );
             }
             $parts = array();
             if (! $filter->isEmpty()) {
@@ -177,7 +181,7 @@ class DbQuery extends SimpleQuery
         if (! $value) {
             /*
             NOTE: It's too late to throw exceptions, we might finish in __toString
-            throw new \Exception(sprintf(
+            throw new IcingaException(sprintf(
                 '"%s" is not a valid time expression',
                 $value
             ));
diff --git a/library/Icinga/Data/SimpleQuery.php b/library/Icinga/Data/SimpleQuery.php
index b70bc0e5d..6a0b71c35 100644
--- a/library/Icinga/Data/SimpleQuery.php
+++ b/library/Icinga/Data/SimpleQuery.php
@@ -9,6 +9,7 @@ use Icinga\Data\Filter\Filter;
 use Icinga\Web\Paginator\Adapter\QueryAdapter;
 use Zend_Paginator;
 use Exception;
+use Icinga\Exception\IcingaException;
 
 class SimpleQuery implements QueryInterface, Queryable
 {
@@ -158,7 +159,7 @@ class SimpleQuery implements QueryInterface, Queryable
 
     public function setOrderColumns(array $orderColumns)
     {
-        throw new Exception('This function does nothing and will be removed');
+        throw new IcingaException('This function does nothing and will be removed');
     }
 
     /**
diff --git a/library/Icinga/Logger/Writer/FileWriter.php b/library/Icinga/Logger/Writer/FileWriter.php
index 2795b3541..2a50ca36b 100644
--- a/library/Icinga/Logger/Writer/FileWriter.php
+++ b/library/Icinga/Logger/Writer/FileWriter.php
@@ -5,6 +5,7 @@
 namespace Icinga\Logger\Writer;
 
 use Exception;
+use Icinga\Exception\IcingaException;
 use Zend_Config;
 use Icinga\Util\File;
 use Icinga\Logger\Logger;
@@ -68,7 +69,7 @@ class FileWriter extends LogWriter
      *
      * @return  string                  The string representation of the severity
      *
-     * @throws  Exception               In case the given severity is unknown
+     * @throws  IcingaException         In case the given severity is unknown
      */
     protected function getSeverityString($severity)
     {
@@ -82,7 +83,10 @@ class FileWriter extends LogWriter
             case Logger::$DEBUG:
                 return '- DEBUG -';
             default:
-                throw new Exception('Unknown severity "' . $severity . '"');
+                throw new IcingaException(
+                    'Unknown severity "%s"',
+                    $severity
+                );
         }
     }
 
diff --git a/library/Icinga/Logger/Writer/SyslogWriter.php b/library/Icinga/Logger/Writer/SyslogWriter.php
index 8f7711a8a..d176e1cbb 100644
--- a/library/Icinga/Logger/Writer/SyslogWriter.php
+++ b/library/Icinga/Logger/Writer/SyslogWriter.php
@@ -9,6 +9,7 @@ use Zend_Config;
 use Icinga\Logger\Logger;
 use Icinga\Logger\LogWriter;
 use Icinga\Exception\ConfigurationError;
+use Icinga\Exception\IcingaException;
 
 /**
  * Class to write messages to syslog
@@ -72,7 +73,10 @@ class SyslogWriter extends LogWriter
         );
 
         if (!array_key_exists($severity, $priorities)) {
-            throw new Exception('Severity "' . $severity . '" cannot be mapped to a valid syslog priority');
+            throw new IcingaException(
+                'Severity "%s" cannot be mapped to a valid syslog priority',
+                $severity
+            );
         }
 
         $this->open();
diff --git a/library/Icinga/Protocol/Ldap/Query.php b/library/Icinga/Protocol/Ldap/Query.php
index 3d380f9c7..ca8f5519f 100644
--- a/library/Icinga/Protocol/Ldap/Query.php
+++ b/library/Icinga/Protocol/Ldap/Query.php
@@ -4,6 +4,8 @@
 
 namespace Icinga\Protocol\Ldap;
 
+use Icinga\Exception\IcingaException;
+
 /**
  * Search class
  *
@@ -82,12 +84,10 @@ class Query
     public function limit($count = null, $offset = null)
     {
         if (! preg_match('~^\d+~', $count . $offset)) {
-            throw new Exception(
-                sprintf(
-                    'Got invalid limit: %s, %s',
-                    $count,
-                    $offset
-                )
+            throw new IcingaException(
+                'Got invalid limit: %s, %s',
+                $count,
+                $offset
             );
         }
         $this->limit_count  = (int) $count;
@@ -316,7 +316,7 @@ class Query
     {
         $parts = array();
         if (! isset($this->filters['objectClass']) || $this->filters['objectClass'] === null) {
-            // throw new Exception('Object class is mandatory');
+            // throw new IcingaException('Object class is mandatory');
         }
         foreach ($this->filters as $key => $value) {
             $parts[] = sprintf(
diff --git a/library/Icinga/Protocol/Ldap/Root.php b/library/Icinga/Protocol/Ldap/Root.php
index 46062c9d6..56abb4175 100644
--- a/library/Icinga/Protocol/Ldap/Root.php
+++ b/library/Icinga/Protocol/Ldap/Root.php
@@ -4,6 +4,8 @@
 
 namespace Icinga\Protocol\Ldap;
 
+use Icinga\Exception\IcingaException;
+
 /**
  * This class is a special node object, representing your connections root node
  *
@@ -95,16 +97,14 @@ class Root
     /**
      * @param $rdn
      * @return mixed
-     * @throws Exception
+     * @throws IcingaException
      */
     public function getChildByRDN($rdn)
     {
         if (!$this->hasChildRDN($rdn)) {
-            throw new Exception(
-                sprintf(
-                    'The child RDN "%s" is not available',
-                    $rdn
-                )
+            throw new IcingaException(
+                'The child RDN "%s" is not available',
+                $rdn
             );
         }
         return $this->children[strtolower($rdn)];
@@ -154,28 +154,24 @@ class Root
     /**
      * @param $dn
      * @return $this
-     * @throws Exception
+     * @throws IcingaException
      */
     protected function assertSubDN($dn)
     {
         $mydn = $this->getDN();
         $end = substr($dn, -1 * strlen($mydn));
         if (strtolower($end) !== strtolower($mydn)) {
-            throw new Exception(
-                sprintf(
-                    '"%s" is not a child of "%s"',
-                    $dn,
-                    $mydn
-                )
+            throw new IcingaException(
+                '"%s" is not a child of "%s"',
+                $dn,
+                $mydn
             );
         }
         if (strlen($dn) === strlen($mydn)) {
-            throw new Exception(
-                sprintf(
-                    '"%s" is not a child of "%s", they are equal',
-                    $dn,
-                    $mydn
-                )
+            throw new IcingaException(
+                '"%s" is not a child of "%s", they are equal',
+                $dn,
+                $mydn
             );
         }
         return $this;
diff --git a/library/Icinga/Protocol/Livestatus/Connection.php b/library/Icinga/Protocol/Livestatus/Connection.php
index 0b37f3fcf..c014ba70f 100644
--- a/library/Icinga/Protocol/Livestatus/Connection.php
+++ b/library/Icinga/Protocol/Livestatus/Connection.php
@@ -6,6 +6,7 @@ namespace Icinga\Protocol\Livestatus;
 
 use Icinga\Application\Benchmark;
 use Exception;
+use Icinga\Exception\IcingaException;
 
 /**
  * Backend class managing handling MKI Livestatus connections
@@ -73,22 +74,18 @@ class Connection
         $this->assertPhpExtensionLoaded('sockets');
         if ($socket[0] === '/') {
             if (! is_writable($socket)) {
-                throw new \Exception(
-                    sprintf(
-                        'Cannot write to livestatus socket "%s"',
-                        $socket
-                    )
+                throw new IcingaException(
+                    'Cannot write to livestatus socket "%s"',
+                    $socket
                 );
             }
             $this->socket_type = self::TYPE_UNIX;
             $this->socket_path = $socket;
         } else {
             if (! preg_match('~^tcp://([^:]+):(\d+)~', $socket, $m)) {
-                throw new \Exception(
-                    sprintf(
-                        'Invalid TCP socket syntax: "%s"',
-                        $socket
-                    )
+                throw new IcingaException(
+                    'Invalid TCP socket syntax: "%s"',
+                    $socket
                 );
             }
             // TODO: Better syntax checks
@@ -156,17 +153,15 @@ class Connection
         $length = (int) trim(substr($header, 4));
         $body = $this->readFromSocket($length);
         if ($status !== 200) {
-            throw new Exception(
-                sprintf(
-                    'Problem while reading %d bytes from livestatus: %s',
-                    $length,
-                    $body
-                )
+            throw new IcingaException(
+                'Problem while reading %d bytes from livestatus: %s',
+                $length,
+                $body
             );
         }
         $result = json_decode($body);
         if ($result === null) {
-            throw new Exception('Got invalid response body from livestatus');
+            throw new IcingaException('Got invalid response body from livestatus');
         }
 
         return $result;
@@ -180,11 +175,9 @@ class Connection
         while ($offset < $length) {
             $data = socket_read($this->connection, $length - $offset);
             if ($data === false) {
-                throw new Exception(
-                    sprintf(
-                        'Failed to read from livestatus socket: %s',
-                        socket_strerror(socket_last_error($this->connection))
-                    )
+                throw new IcingaException(
+                    'Failed to read from livestatus socket: %s',
+                    socket_strerror(socket_last_error($this->connection))
                 );
             }
             $size = strlen($data);
@@ -196,12 +189,10 @@ class Connection
             }
         }
         if ($offset !== $length) {
-            throw new \Exception(
-                sprintf(
-                    'Got only %d instead of %d bytes from livestatus socket',
-                    $offset,
-                    $length
-                )
+            throw new IcingaException(
+                'Got only %d instead of %d bytes from livestatus socket',
+                $offset,
+                $length
             );
         }
 
@@ -212,7 +203,7 @@ class Connection
     {
         $res = socket_write($this->connection, $data);
         if ($res === false) {
-            throw new \Exception('Writing to livestatus socket failed');
+            throw new IcingaException('Writing to livestatus socket failed');
         }
         return true;
     }
@@ -220,11 +211,9 @@ class Connection
     protected function assertPhpExtensionLoaded($name)
     {
         if (! extension_loaded($name)) {
-            throw new \Exception(
-                sprintf(
-                    'The extension "%s" is not loaded',
-                    $name
-                )
+            throw new IcingaException(
+                'The extension "%s" is not loaded',
+                $name
             );
         }
     }
@@ -250,13 +239,11 @@ class Connection
 
         $this->connection = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
         if (! @socket_connect($this->connection, $this->socket_host, $this->socket_port)) {
-            throw new \Exception(
-                sprintf(
-                    'Cannot connect to livestatus TCP socket "%s:%d": %s',
-                    $this->socket_host,
-                    $this->socket_port,
-                    socket_strerror(socket_last_error($this->connection))
-                )
+            throw new IcingaException(
+                'Cannot connect to livestatus TCP socket "%s:%d": %s',
+                $this->socket_host,
+                $this->socket_port,
+                socket_strerror(socket_last_error($this->connection))
             );
         }
         socket_set_option($this->connection, SOL_TCP, TCP_NODELAY, 1);
@@ -266,11 +253,9 @@ class Connection
     {
         $this->connection = socket_create(AF_UNIX, SOCK_STREAM, 0);
         if (! socket_connect($this->connection, $this->socket_path)) {
-            throw new \Exception(
-                sprintf(
-                    'Cannot connect to livestatus local socket "%s"',
-                    $this->socket_path
-                )
+            throw new IcingaException(
+                'Cannot connect to livestatus local socket "%s"',
+                $this->socket_path
             );
         }
     }
diff --git a/library/Icinga/Protocol/Livestatus/Query.php b/library/Icinga/Protocol/Livestatus/Query.php
index 73e287bd6..7c1e73c8a 100644
--- a/library/Icinga/Protocol/Livestatus/Query.php
+++ b/library/Icinga/Protocol/Livestatus/Query.php
@@ -5,6 +5,7 @@
 namespace Icinga\Protocol\Livestatus;
 
 use Icinga\Protocol\AbstractQuery;
+use Icinga\Exception\IcingaException;
 
 class Query extends AbstractQuery
 {
@@ -86,12 +87,10 @@ class Query extends AbstractQuery
     public function limit($count = null, $offset = null)
     {
         if (! preg_match('~^\d+~', $count . $offset)) {
-            throw new Exception(
-                sprintf(
-                    'Got invalid limit: %s, %s',
-                    $count,
-                    $offset
-                )
+            throw new IcingaException(
+                'Got invalid limit: %s, %s',
+                $count,
+                $offset
             );
         }
         $this->limit_count  = (int) $count;
@@ -122,11 +121,9 @@ class Query extends AbstractQuery
     public function from($table, $columns = null)
     {
         if (! $this->connection->hasTable($table)) {
-            throw new Exception(
-                sprintf(
-                    'This livestatus connection does not provide "%s"',
-                    $table
-                )
+            throw new IcingaException(
+                'This livestatus connection does not provide "%s"',
+                $table
             );
         }
         $this->table = $table;
@@ -169,7 +166,7 @@ class Query extends AbstractQuery
     public function __toString()
     {
         if ($this->table === null) {
-            throw new Exception('Table is required');
+            throw new IcingaException('Table is required');
         }
         $default_headers = array(
             'OutputFormat: json',
diff --git a/library/Icinga/Protocol/Nrpe/Connection.php b/library/Icinga/Protocol/Nrpe/Connection.php
index 3c06e259b..84a754e91 100644
--- a/library/Icinga/Protocol/Nrpe/Connection.php
+++ b/library/Icinga/Protocol/Nrpe/Connection.php
@@ -4,6 +4,8 @@
 
 namespace Icinga\Protocol\Nrpe;
 
+use Icinga\Exception\IcingaException;
+
 class Connection
 {
     protected $host;
@@ -47,11 +49,10 @@ class Connection
         // TODO: Check result checksum!
         $result = fread($conn, 8192);
         if ($result === false) {
-            throw new \Exception('CHECK_NRPE: Error receiving data from daemon.');
+            throw new IcingaException('CHECK_NRPE: Error receiving data from daemon.');
         } elseif (strlen($result) === 0) {
-            throw new \Exception(
-                'CHECK_NRPE: Received 0 bytes from daemon.'
-                . ' Check the remote server logs for error messages'
+            throw new IcingaException(
+                'CHECK_NRPE: Received 0 bytes from daemon. Check the remote server logs for error messages'
             );
         }
         // TODO: CHECK_NRPE: Receive underflow - only %d bytes received (%d expected)
@@ -80,7 +81,10 @@ class Connection
             $ctx
         );
         if (! $this->connection) {
-            throw new \Exception(sprintf('NRPE Connection failed: ' . $errstr));
+            throw new IcingaException(
+                'NRPE Connection failed: %s',
+                $errstr
+            );
         }
     }
 
diff --git a/library/Icinga/Protocol/Statusdat/Query.php b/library/Icinga/Protocol/Statusdat/Query.php
index ed8928b6f..f3b5ea85e 100644
--- a/library/Icinga/Protocol/Statusdat/Query.php
+++ b/library/Icinga/Protocol/Statusdat/Query.php
@@ -9,6 +9,7 @@ use Icinga\Exception\ProgrammingError;
 use Icinga\Data\SimpleQuery;
 use Icinga\Protocol\Statusdat\View\MonitoringObjectList;
 use Icinga\Protocol\Statusdat\Query\IQueryPart;
+use Icinga\Exception\IcingaException;
 
 /**
  * Base implementation for Statusdat queries.
@@ -163,7 +164,7 @@ class Query extends SimpleQuery
      * @param array  $columns   An array of attributes to use (required for fetchPairs())
      *
      * @return $this            Fluent interface
-     * @throws \Exception       If the target is unknonw
+     * @throws IcingaException  If the target is unknonw
      */
     public function from($table, array $attributes = null)
     {
@@ -173,7 +174,10 @@ class Query extends SimpleQuery
         if (isset(self::$VALID_TARGETS[$table])) {
             $this->source = $table;
         } else {
-            throw new \Exception('Unknown from target for status.dat :' . $table);
+            throw new IcingaException(
+                'Unknown from target for status.dat :%s',
+                $table
+            );
         }
         return $this;
     }
@@ -397,16 +401,15 @@ class Query extends SimpleQuery
     /**
      * Fetch the result as an associative array using the first column as the key and the second as the value
      *
-     * @return array        An associative array with the result
-     * @throws \Exception   If no attributes are defined
+     * @return array            An associative array with the result
+     * @throws IcingaException  If no attributes are defined
      */
     public function fetchPairs()
     {
         $result = array();
         if (count($this->getColumns()) < 2) {
-            throw new Exception(
-                'Status.dat "fetchPairs()" query expects at least' .
-                ' columns to be set in the query expression'
+            throw new IcingaException(
+                'Status.dat "fetchPairs()" query expects at least columns to be set in the query expression'
             );
         }
         $attributes = $this->getColumns();
diff --git a/library/Icinga/Protocol/Statusdat/Query/Expression.php b/library/Icinga/Protocol/Statusdat/Query/Expression.php
index 1a04f07ff..1db48df33 100644
--- a/library/Icinga/Protocol/Statusdat/Query/Expression.php
+++ b/library/Icinga/Protocol/Statusdat/Query/Expression.php
@@ -4,6 +4,8 @@
 
 namespace Icinga\Protocol\Statusdat\Query;
 
+use Icinga\Exception\IcingaException;
+
 class Expression implements IQueryPart
 {
     /**
@@ -70,7 +72,7 @@ class Expression implements IQueryPart
 
     /**
      * @param $token
-     * @throws \Exception
+     * @throws IcingaException
      */
     private function getOperatorType($token)
     {
@@ -106,7 +108,11 @@ class Expression implements IQueryPart
                 $this->CB = "isNotIn";
                 break;
             default:
-                throw new \Exception("Unknown operator $token in expression $this->expression !");
+                throw new IcingaException(
+                    'Unknown operator %s in expression %s !',
+                    $token,
+                    $this->expression
+                );
         }
     }
 
diff --git a/library/Icinga/Protocol/Statusdat/Query/Group.php b/library/Icinga/Protocol/Statusdat/Query/Group.php
index 51f4c2cf8..2e110843f 100644
--- a/library/Icinga/Protocol/Statusdat/Query/Group.php
+++ b/library/Icinga/Protocol/Statusdat/Query/Group.php
@@ -4,6 +4,8 @@
 
 namespace Icinga\Protocol\Statusdat\Query;
 
+use Icinga\Exception\IcingaException;
+
 /**
  * Class Group
  * @package Icinga\Protocol\Statusdat\Query
@@ -130,7 +132,7 @@ class Group implements IQueryPart
     }
 
     /**
-     * @throws \Exception
+     * @throws IcingaException
      */
     private function tokenize()
     {
@@ -154,7 +156,10 @@ class Group implements IQueryPart
             }
             if ($token === self::GROUP_END) {
                 if ($subgroupCount < 1) {
-                    throw new \Exception("Invalid Query: unexpected ')' at pos " . $this->parsePos);
+                    throw new IcingaException(
+                        'Invalid Query: unexpected \')\' at pos %s',
+                        $this->parsePos
+                    );
                 }
                 $subgroupCount--;
                 /*
@@ -192,7 +197,7 @@ class Group implements IQueryPart
             $this->subExpressionLength = $this->parsePos - $this->subExpressionStart;
         }
         if ($subgroupCount > 0) {
-            throw new \Exception("Unexpected end of query, are you missing a parenthesis?");
+            throw new IcingaException('Unexpected end of query, are you missing a parenthesis?');
         }
 
         $this->startNewSubExpression();
diff --git a/library/Icinga/Protocol/Statusdat/View/MonitoringObjectList.php b/library/Icinga/Protocol/Statusdat/View/MonitoringObjectList.php
index e9a7e1bc9..bde4ded04 100644
--- a/library/Icinga/Protocol/Statusdat/View/MonitoringObjectList.php
+++ b/library/Icinga/Protocol/Statusdat/View/MonitoringObjectList.php
@@ -8,6 +8,7 @@ use Iterator;
 use Countable;
 use ArrayAccess;
 use Exception;
+use Icinga\Exception\IcingaException;
 
 /**
  * Wrapper around an array of monitoring objects that can be enhanced with an optional
@@ -115,7 +116,7 @@ class MonitoringObjectList implements Iterator, Countable, ArrayAccess
 
     public function __set($name, $value)
     {
-        throw new Exception("Setting is currently not available for objects");
+        throw new IcingaException('Setting is currently not available for objects');
     }
 
     public function offsetExists($offset)
diff --git a/library/Icinga/Util/Translator.php b/library/Icinga/Util/Translator.php
index fd01812b3..b6cf533d9 100644
--- a/library/Icinga/Util/Translator.php
+++ b/library/Icinga/Util/Translator.php
@@ -5,6 +5,7 @@
 namespace Icinga\Util;
 
 use Exception;
+use Icinga\Exception\IcingaException;
 
 /**
  * Helper class to ease internationalization when using gettext
@@ -53,12 +54,16 @@ class Translator
      * @param   string  $name       The name of the domain to register
      * @param   string  $directory  The directory where message catalogs can be found
      *
-     * @throws  Exception           In case the domain was not successfully registered
+     * @throws  IcingaException     In case the domain was not successfully registered
      */
     public static function registerDomain($name, $directory)
     {
         if (bindtextdomain($name, $directory) === false) {
-            throw new Exception("Cannot register domain '$name' with path '$directory'");
+            throw new IcingaException(
+                'Cannot register domain \'%s\' with path \'%s\'',
+                $name,
+                $directory
+            );
         }
         bind_textdomain_codeset($name, 'UTF-8');
         self::$knownDomains[$name] = $directory;
@@ -69,14 +74,17 @@ class Translator
      *
      * @param   string  $localeName     The name of the locale to use
      *
-     * @throws  Exception               In case the locale's name is invalid
+     * @throws  IcingaException         In case the locale's name is invalid
      */
     public static function setupLocale($localeName)
     {
         if (setlocale(LC_ALL, $localeName . '.UTF-8') === false && setlocale(LC_ALL, $localeName) === false) {
             setlocale(LC_ALL, 'C'); // C == "use whatever is hardcoded"
             if ($localeName !== self::DEFAULT_LOCALE) {
-                throw new Exception("Cannot set locale '$localeName' for category 'LC_ALL'");
+                throw new IcingaException(
+                    'Cannot set locale \'%s\' for category \'LC_ALL\'',
+                    $localeName
+                );
             }
         } else {
             $locale = setlocale(LC_ALL, 0);
diff --git a/library/Icinga/Web/Controller/ActionController.php b/library/Icinga/Web/Controller/ActionController.php
index 13809e83d..bfbb35b77 100644
--- a/library/Icinga/Web/Controller/ActionController.php
+++ b/library/Icinga/Web/Controller/ActionController.php
@@ -8,6 +8,7 @@ use Exception;
 use Icinga\Authentication\Manager as AuthManager;
 use Icinga\Application\Benchmark;
 use Icinga\Application\Config;
+use Icinga\Exception\IcingaException;
 use Icinga\Util\Translator;
 use Icinga\Web\Widget\Tabs;
 use Icinga\Web\Window;
@@ -177,7 +178,10 @@ class ActionController extends Zend_Controller_Action
     {
         if (! $this->Auth()->hasPermission($name)) {
             // TODO: Shall this be an Auth Exception? Or a 404?
-            throw new Exception(sprintf('Auth error, no permission for "%s"', $name));
+            throw new IcingaException(
+                'Auth error, no permission for "%s"',
+                $name
+            );
         }
     }
 
@@ -381,7 +385,7 @@ class ActionController extends Zend_Controller_Action
         if ($this->view->title) {
             if (preg_match('~[\r\n]~', $this->view->title)) {
                 // TODO: Innocent exception and error log for hack attempts
-                throw new Exception('No way, guy');
+                throw new IcingaException('No way, guy');
             }
             $resp->setHeader(
                 'X-Icinga-Title',
diff --git a/library/Icinga/Web/Session/SessionNamespace.php b/library/Icinga/Web/Session/SessionNamespace.php
index 682991aed..b7495683b 100644
--- a/library/Icinga/Web/Session/SessionNamespace.php
+++ b/library/Icinga/Web/Session/SessionNamespace.php
@@ -6,6 +6,7 @@ namespace Icinga\Web\Session;
 
 use Exception;
 use ArrayIterator;
+use Icinga\Exception\IcingaException;
 use IteratorAggregate;
 
 /**
@@ -76,7 +77,10 @@ class SessionNamespace implements IteratorAggregate
     public function __get($key)
     {
         if (!array_key_exists($key, $this->values)) {
-            throw new Exception('Cannot access non-existent session value "' . $key . '"');
+            throw new IcingaException(
+                'Cannot access non-existent session value "%s"',
+                $key
+            );
         }
 
         return $this->get($key);
@@ -178,7 +182,7 @@ class SessionNamespace implements IteratorAggregate
     public function write()
     {
         if (!$this->session) {
-            throw new Exception('Cannot save, session not set');
+            throw new IcingaException('Cannot save, session not set');
         }
 
         $this->session->write();
diff --git a/library/Icinga/Web/Widget/Dashboard/Component.php b/library/Icinga/Web/Widget/Dashboard/Component.php
index 56f499dc1..71615c572 100644
--- a/library/Icinga/Web/Widget/Dashboard/Component.php
+++ b/library/Icinga/Web/Widget/Dashboard/Component.php
@@ -4,6 +4,7 @@
 
 namespace Icinga\Web\Widget\Dashboard;
 
+use Icinga\Exception\IcingaException;
 use Icinga\Util\Dimension;
 use Icinga\Web\Form;
 use Icinga\Web\Url;
@@ -81,11 +82,9 @@ EOD;
         } elseif ($url) {
             $this->url = Url::fromPath($url);
         } else {
-            throw new Exception(
-                sprintf(
-                    'Cannot create dashboard component "%s" without valid URL',
-                    $title
-                )
+            throw new IcingaException(
+                'Cannot create dashboard component "%s" without valid URL',
+                $title
             );
         }
     }
diff --git a/modules/monitoring/application/controllers/CommandController.php b/modules/monitoring/application/controllers/CommandController.php
index f3055371a..36d3d62ca 100644
--- a/modules/monitoring/application/controllers/CommandController.php
+++ b/modules/monitoring/application/controllers/CommandController.php
@@ -25,6 +25,7 @@ use Icinga\Module\Monitoring\Form\Command\DelayNotificationForm;
 use Icinga\Module\Monitoring\Form\Command\RescheduleNextCheckForm;
 use Icinga\Module\Monitoring\Form\Command\ScheduleDowntimeForm;
 use Icinga\Module\Monitoring\Form\Command\SubmitPassiveCheckResultForm;
+use Icinga\Exception\IcingaException;
 
 /**
  * Class Monitoring_CommandController
@@ -238,13 +239,16 @@ class Monitoring_CommandController extends Controller
         $given = array_intersect_key($supported, $this->getRequest()->getParams());
 
         if (empty($given)) {
-            throw new \Exception('Missing parameter, supported: '.implode(', ', array_flip($supported)));
+            throw new IcingaException(
+                'Missing parameter, supported: %s',
+                implode(', ', array_flip($supported))
+            );
         }
 
         if (isset($given['host'])) {
             $objects = $this->selectCommandTargets(!in_array("service", $supported));
             if (empty($objects)) {
-                throw new \Exception("No objects found for your command");
+                throw new IcingaException('No objects found for your command');
             }
         }
 
diff --git a/modules/monitoring/library/Monitoring/Backend/Ido/Query/IdoQuery.php b/modules/monitoring/library/Monitoring/Backend/Ido/Query/IdoQuery.php
index df7118fe0..06472b44d 100644
--- a/modules/monitoring/library/Monitoring/Backend/Ido/Query/IdoQuery.php
+++ b/modules/monitoring/library/Monitoring/Backend/Ido/Query/IdoQuery.php
@@ -4,6 +4,7 @@
 
 namespace Icinga\Module\Monitoring\Backend\Ido\Query;
 
+use Icinga\Exception\IcingaException;
 use Icinga\Logger\Logger;
 use Icinga\Data\Db\DbQuery;
 use Icinga\Exception\ProgrammingError;
@@ -272,7 +273,10 @@ abstract class IdoQuery extends DbQuery
         $this->requireColumn($condition);
         $col = $this->getMappedField($condition);
         if ($col === null) {
-            throw new \Exception("No such field: $condition");
+            throw new IcingaException(
+                'No such field: %s',
+                $condition
+            );
         }
         return parent::where($col, $value);
     }
diff --git a/modules/monitoring/library/Monitoring/Timeline/TimeLine.php b/modules/monitoring/library/Monitoring/Timeline/TimeLine.php
index 2b0158bf1..be3820e19 100644
--- a/modules/monitoring/library/Monitoring/Timeline/TimeLine.php
+++ b/modules/monitoring/library/Monitoring/Timeline/TimeLine.php
@@ -7,6 +7,7 @@ namespace Icinga\Module\Monitoring\Timeline;
 use DateTime;
 use Exception;
 use ArrayIterator;
+use Icinga\Exception\IcingaException;
 use IteratorAggregate;
 use Icinga\Data\Filter\Filter;
 use Icinga\Web\Hook;
@@ -166,7 +167,10 @@ class TimeLine implements IteratorAggregate
             $this->circleDiameter = floatval($matches[1]);
             $this->diameterUnit = $matches[2];
         } else {
-            throw new Exception('Width "' . $width . '" is not a valid width');
+            throw new IcingaException(
+                'Width "%s" is not a valid width',
+                $width
+            );
         }
     }
 
@@ -184,10 +188,16 @@ class TimeLine implements IteratorAggregate
             if ($matches[2] === $this->diameterUnit) {
                 $this->minCircleDiameter = floatval($matches[1]);
             } else {
-                throw new Exception('Unit needs to be in "' . $this->diameterUnit . '"');
+                throw new IcingaException(
+                    'Unit needs to be in "%s"',
+                    $this->diameterUnit
+                );
             }
         } else {
-            throw new Exception('Width "' . $width . '" is not a valid width');
+            throw new IcingaException(
+                'Width "%s" is not a valid width',
+                $width
+            );
         }
     }
 
diff --git a/modules/translation/library/Translation/Cli/TranslationCommand.php b/modules/translation/library/Translation/Cli/TranslationCommand.php
index b3cfc6de4..bae20cc5e 100644
--- a/modules/translation/library/Translation/Cli/TranslationCommand.php
+++ b/modules/translation/library/Translation/Cli/TranslationCommand.php
@@ -6,6 +6,7 @@ namespace Icinga\Module\Translation\Cli;
 
 use Exception;
 use Icinga\Cli\Command;
+use Icinga\Exception\IcingaException;
 
 /**
  * Base class for translation commands
@@ -24,7 +25,10 @@ class TranslationCommand extends Command
     public function validateLocaleCode($code)
     {
         if (! preg_match('@[a-z]{2}_[A-Z]{2}@', $code)) {
-            throw new Exception("Locale code '$code' is not valid. Expected format is: ll_CC");
+            throw new IcingaException(
+                'Locale code \'%s\' is not valid. Expected format is: ll_CC',
+                $code
+            );
         }
 
         return $code;
@@ -44,7 +48,10 @@ class TranslationCommand extends Command
         $enabledModules = $this->app->getModuleManager()->listEnabledModules();
 
         if (!in_array($name, $enabledModules)) {
-            throw new Exception("Module with name '$name' not found or is not enabled");
+            throw new IcingaException(
+                'Module with name \'%s\' not found or is not enabled',
+                $name
+            );
         }
 
         return $name;
diff --git a/modules/translation/library/Translation/Util/GettextTranslationHelper.php b/modules/translation/library/Translation/Util/GettextTranslationHelper.php
index a19353f33..68e07fbcd 100644
--- a/modules/translation/library/Translation/Util/GettextTranslationHelper.php
+++ b/modules/translation/library/Translation/Util/GettextTranslationHelper.php
@@ -5,6 +5,7 @@
 namespace Icinga\Module\Translation\Util;
 
 use Exception;
+use Icinga\Exception\IcingaException;
 use Icinga\Util\File;
 use Icinga\Application\Modules\Manager;
 use Icinga\Application\ApplicationBootstrap;
@@ -215,7 +216,10 @@ class GettextTranslationHelper
         } else {
             if ((!is_dir(dirname($this->tablePath)) && !@mkdir(dirname($this->tablePath), 0755, true)) ||
                 !rename($this->templatePath, $this->tablePath)) {
-                throw new Exception('Unable to create ' . $this->tablePath);
+                throw new IcingaException(
+                    'Unable to create %s',
+                    $this->tablePath
+                );
             }
         }
         $this->updateHeader($this->tablePath);
@@ -364,7 +368,10 @@ class GettextTranslationHelper
     {
         $directoryHandle = opendir($directory);
         if (!$directoryHandle) {
-            throw new Exception('Unable to read files from ' . $directory);
+            throw new IcingaException(
+                'Unable to read files from %s',
+                $directory
+            );
         }
 
         $subdirs = array();