diff --git a/pandora_console/extras/mr/30.sql b/pandora_console/extras/mr/30.sql
new file mode 100644
index 0000000000..eeb3b8d797
--- /dev/null
+++ b/pandora_console/extras/mr/30.sql
@@ -0,0 +1,13 @@
+START TRANSACTION;
+
+ALTER TABLE `treport_content_sla_combined` ADD `id_agent_module_failover` int(10) unsigned NOT NULL;
+
+ALTER TABLE `treport_content` ADD COLUMN `failover_mode` tinyint(1) DEFAULT '0';
+ALTER TABLE `treport_content` ADD COLUMN `failover_type` tinyint(1) DEFAULT '0';
+
+ALTER TABLE `treport_content_template` ADD COLUMN `failover_mode` tinyint(1) DEFAULT '1';
+ALTER TABLE `treport_content_template` ADD COLUMN `failover_type` tinyint(1) DEFAULT '1';
+
+ALTER TABLE `tmodule_relationship` ADD COLUMN `type` ENUM('direct', 'failover') DEFAULT 'direct';
+
+COMMIT;
\ No newline at end of file
diff --git a/pandora_console/extras/pandoradb_migrate_6.0_to_7.0.mysql.sql b/pandora_console/extras/pandoradb_migrate_6.0_to_7.0.mysql.sql
index 4bad7b3652..60e19998e8 100644
--- a/pandora_console/extras/pandoradb_migrate_6.0_to_7.0.mysql.sql
+++ b/pandora_console/extras/pandoradb_migrate_6.0_to_7.0.mysql.sql
@@ -796,6 +796,8 @@ ALTER TABLE `treport_content_template` ADD COLUMN `unknown_checks` TINYINT(1) DE
 ALTER TABLE `treport_content_template` ADD COLUMN `agent_max_value` TINYINT(1) DEFAULT '1';
 ALTER TABLE `treport_content_template` ADD COLUMN `agent_min_value` TINYINT(1) DEFAULT '1';
 ALTER TABLE `treport_content_template` ADD COLUMN `current_month` TINYINT(1) DEFAULT '1';
+ALTER TABLE `treport_content_template` ADD COLUMN `failover_mode` tinyint(1) DEFAULT '1';
+ALTER TABLE `treport_content_template` ADD COLUMN `failover_type` tinyint(1) DEFAULT '1';
 
 -- -----------------------------------------------------
 -- Table `treport_content_sla_com_temp` (treport_content_sla_combined_template)
@@ -1239,13 +1241,13 @@ ALTER TABLE titem MODIFY `source_data` int(10) unsigned;
 INSERT INTO `tconfig` (`token`, `value`) VALUES ('big_operation_step_datos_purge', '100');
 INSERT INTO `tconfig` (`token`, `value`) VALUES ('small_operation_step_datos_purge', '1000');
 INSERT INTO `tconfig` (`token`, `value`) VALUES ('days_autodisable_deletion', '30');
-INSERT INTO `tconfig` (`token`, `value`) VALUES ('MR', 29);
+INSERT INTO `tconfig` (`token`, `value`) VALUES ('MR', 30);
 INSERT INTO `tconfig` (`token`, `value`) VALUES ('custom_docs_logo', 'default_docs.png');
 INSERT INTO `tconfig` (`token`, `value`) VALUES ('custom_support_logo', 'default_support.png');
 INSERT INTO `tconfig` (`token`, `value`) VALUES ('custom_logo_white_bg_preview', 'pandora_logo_head_white_bg.png');
 UPDATE tconfig SET value = 'https://licensing.artica.es/pandoraupdate7/server.php' WHERE token='url_update_manager';
 DELETE FROM `tconfig` WHERE `token` = 'current_package_enterprise';
-INSERT INTO `tconfig` (`token`, `value`) VALUES ('current_package_enterprise', '736');
+INSERT INTO `tconfig` (`token`, `value`) VALUES ('current_package_enterprise', '737');
 INSERT INTO `tconfig` (`token`, `value`) VALUES ('status_monitor_fields', 'policy,agent,data_type,module_name,server_type,interval,status,graph,warn,data,timestamp');
 
 -- ---------------------------------------------------------------------
@@ -1442,11 +1444,14 @@ ALTER TABLE `treport_content` ADD COLUMN `unknown_checks` TINYINT(1) DEFAULT '1'
 ALTER TABLE `treport_content` ADD COLUMN `agent_max_value` TINYINT(1) DEFAULT '1';
 ALTER TABLE `treport_content` ADD COLUMN `agent_min_value` TINYINT(1) DEFAULT '1';
 ALTER TABLE `treport_content` ADD COLUMN `current_month` TINYINT(1) DEFAULT '1';
+ALTER TABLE `treport_content` ADD COLUMN `failover_mode` tinyint(1) DEFAULT '0';
+ALTER TABLE `treport_content` ADD COLUMN `failover_type` tinyint(1) DEFAULT '0';
 
 -- ---------------------------------------------------------------------
 -- Table `tmodule_relationship`
 -- ---------------------------------------------------------------------
 ALTER TABLE tmodule_relationship ADD COLUMN `id_server` varchar(100) NOT NULL DEFAULT '';
+ALTER TABLE `tmodule_relationship` ADD COLUMN `type` ENUM('direct', 'failover') DEFAULT 'direct';
 
 -- ---------------------------------------------------------------------
 -- Table `tpolicy_module`
@@ -2209,3 +2214,8 @@ CREATE TABLE IF NOT EXISTS `tcredential_store` (
 	`extra_2` text,
 	PRIMARY KEY (`identifier`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+
+-- ---------------------------------------------------------------------
+-- Table `treport_content_sla_combined`
+-- ---------------------------------------------------------------------
+ALTER TABLE `treport_content_sla_combined` ADD `id_agent_module_failover` int(10) unsigned NOT NULL;
diff --git a/pandora_console/godmode/agentes/module_manager_editor_common.php b/pandora_console/godmode/agentes/module_manager_editor_common.php
index fbdd620f77..f34013944b 100644
--- a/pandora_console/godmode/agentes/module_manager_editor_common.php
+++ b/pandora_console/godmode/agentes/module_manager_editor_common.php
@@ -1101,9 +1101,8 @@ $macro_count++;
 
 html_print_input_hidden('module_macro_count', $macro_count);
 
-/*
-    Advanced form part */
-// Add relationships
+// Advanced form part.
+// Add relationships.
 $table_new_relations = new stdClass();
 $table_new_relations->id = 'module_new_relations';
 $table_new_relations->width = '100%';
@@ -1114,7 +1113,8 @@ $table_new_relations->style[0] = 'width: 10%; font-weight: bold;';
 $table_new_relations->style[1] = 'width: 25%; text-align: center;';
 $table_new_relations->style[2] = 'width: 10%; font-weight: bold;';
 $table_new_relations->style[3] = 'width: 25%; text-align: center;';
-$table_new_relations->style[4] = 'width: 30%; text-align: center;';
+$table_new_relations->style[4] = 'width: 10%; font-weight: bold;';
+$table_new_relations->style[5] = 'width: 25%; text-align: center;';
 
 $table_new_relations->data[0][0] = __('Agent');
 $params = [];
@@ -1128,10 +1128,35 @@ $params['javascript_function_action_after_select_js_call'] = 'change_modules_aut
 $table_new_relations->data[0][1] = ui_print_agent_autocomplete_input($params);
 $table_new_relations->data[0][2] = __('Module');
 $table_new_relations->data[0][3] = "<div id='module_autocomplete'></div>";
-$table_new_relations->data[0][4] = html_print_button(__('Add relationship'), 'add_relation', false, 'javascript: add_new_relation();', 'class="sub add"', true);
-$table_new_relations->data[0][4] .= "&nbsp;&nbsp;<div id='add_relation_status' style='display: inline;'></div>";
 
-// Relationship list
+$array_rel_type = [];
+$array_rel_type['direct'] = __('Direct');
+$array_rel_type['failover'] = __('Failover');
+$table_new_relations->data[0][4] = __('Rel. type');
+$table_new_relations->data[0][5] = html_print_select(
+    $array_rel_type,
+    'relation_type',
+    '',
+    '',
+    '',
+    0,
+    true,
+    false,
+    true,
+    ''
+);
+
+$table_new_relations->data[0][6] = html_print_button(
+    __('Add relationship'),
+    'add_relation',
+    false,
+    'javascript: add_new_relation();',
+    'class="sub add"',
+    true
+);
+$table_new_relations->data[0][6] .= "&nbsp;&nbsp;<div id='add_relation_status' style='display: inline;'></div>";
+
+// Relationship list.
 $table_relations = new stdClass();
 $table_relations->id = 'module_relations';
 $table_relations->width = '100%';
@@ -1141,19 +1166,26 @@ $table_relations->data = [];
 $table_relations->rowstyle = [];
 $table_relations->rowstyle[-1] = 'display: none;';
 $table_relations->style = [];
-$table_relations->style[2] = 'width: 10%; text-align: center;';
 $table_relations->style[3] = 'width: 10%; text-align: center;';
+$table_relations->style[4] = 'width: 10%; text-align: center;';
 
 $table_relations->head[0] = __('Agent');
 $table_relations->head[1] = __('Module');
-$table_relations->head[2] = __('Changes').ui_print_help_tip(__('Activate this to prevent the relation from being updated or deleted'), true);
-$table_relations->head[3] = __('Delete');
+$table_relations->head[2] = __('Type');
+$table_relations->head[3] = __('Changes').ui_print_help_tip(
+    __('Activate this to prevent the relation from being updated or deleted'),
+    true
+);
+$table_relations->head[4] = __('Delete');
 
-// Create an invisible row to use their html to add new rows
+// Create an invisible row to use their html to add new rows.
 $table_relations->data[-1][0] = '';
 $table_relations->data[-1][1] = '';
-$table_relations->data[-1][2] = '<a id="disable_updates_button" class="alpha50" href="">'.html_print_image('images/lock.png', true).'</a>';
-$table_relations->data[-1][3] = '<a id="delete_relation_button" href="">'.html_print_image('images/cross.png', true).'</a>';
+$table_relations->data[-1][2] = '';
+$table_relations->data[-1][3] = '<a id="disable_updates_button" class="alpha50" href="">';
+$table_relations->data[-1][3] .= html_print_image('images/lock.png', true).'</a>';
+$table_relations->data[-1][4] = '<a id="delete_relation_button" href="">';
+$table_relations->data[-1][4] .= html_print_image('images/cross.png', true).'</a>';
 
 $module_relations = modules_get_relations(['id_module' => $id_agent_module]);
 if (!$module_relations) {
@@ -1164,10 +1196,14 @@ $relations_count = 0;
 foreach ($module_relations as $key => $module_relation) {
     if ($module_relation['module_a'] == $id_agent_module) {
         $module_id = $module_relation['module_b'];
-        $agent_id = modules_give_agent_id_from_module_id($module_relation['module_b']);
+        $agent_id = modules_give_agent_id_from_module_id(
+            $module_relation['module_b']
+        );
     } else {
         $module_id = $module_relation['module_a'];
-        $agent_id = modules_give_agent_id_from_module_id($module_relation['module_a']);
+        $agent_id = modules_give_agent_id_from_module_id(
+            $module_relation['module_a']
+        );
     }
 
     $agent_name = ui_print_agent_name($agent_id, true);
@@ -1183,14 +1219,16 @@ foreach ($module_relations as $key => $module_relation) {
         $disabled_update_class = 'alpha50';
     }
 
-    // Agent name
+    // Agent name.
     $table_relations->data[$relations_count][0] = $agent_name;
-    // Module name
+    // Module name.
     $table_relations->data[$relations_count][1] = "<a href='index.php?sec=gagente&sec2=godmode/agentes/configurar_agente&id_agente=".$agent_id.'&tab=module&edit_module=1&id_agent_module='.$module_id."'>".ui_print_truncate_text($module_name, 'module_medium', true, true, true, '[&hellip;]').'</a>';
-    // Lock relationship updates
-    $table_relations->data[$relations_count][2] = '<a id="disable_updates_button" class="'.$disabled_update_class.'"href="javascript: change_lock_relation('.$relations_count.', '.$module_relation['id'].');">'.html_print_image('images/lock.png', true).'</a>';
-    // Delete relationship
-    $table_relations->data[$relations_count][3] = '<a id="delete_relation_button" href="javascript: delete_relation('.$relations_count.', '.$module_relation['id'].');">'.html_print_image('images/cross.png', true).'</a>';
+    // Type.
+    $table_relations->data[$relations_count][2] = ($module_relation['type'] === 'direct') ? __('Direct') : __('Failover');
+    // Lock relationship updates.
+    $table_relations->data[$relations_count][3] = '<a id="disable_updates_button" class="'.$disabled_update_class.'"href="javascript: change_lock_relation('.$relations_count.', '.$module_relation['id'].');">'.html_print_image('images/lock.png', true).'</a>';
+    // Delete relationship.
+    $table_relations->data[$relations_count][4] = '<a id="delete_relation_button" href="javascript: delete_relation('.$relations_count.', '.$module_relation['id'].');">'.html_print_image('images/cross.png', true).'</a>';
     $relations_count++;
 }
 
@@ -1198,7 +1236,6 @@ html_print_input_hidden('module_relations_count', $relations_count);
 
 ui_require_jquery_file('json');
 
-
 ?>
 
 <script type="text/javascript">
@@ -1343,8 +1380,6 @@ $(document).ready (function () {
                      'width=800,height=600'
                      );
                    }
-              
-                
             }
             if(type_name_selected == 'web_data' ||
              type_name_selected == 'web_proc' ||
@@ -1365,8 +1400,6 @@ $(document).ready (function () {
                      'width=800,height=600'
                      );
                    }
-              
-                
             }
         }
 
@@ -1386,7 +1419,7 @@ $(document).ready (function () {
             $('#minmax_warning').hide();
             $('#svg_dinamic').hide();
         }
-        
+
         if (type_name_selected.match(/async/) == null) {
             $('#ff_timeout').hide();
             $('#ff_timeout_disable').show();
@@ -1396,16 +1429,16 @@ $(document).ready (function () {
             $('#ff_timeout_disable').hide();
         }
     });
-    
+
     $("#id_module_type").trigger('change');
-    
+
     // Prevent the form submission when the user hits the enter button from the relationship autocomplete inputs
     $("#text-autocomplete_agent_name").keydown(function(event) {
         if(event.keyCode == 13) { // key code 13 is the enter button
             event.preventDefault();
         }
     });
-    
+
     //validate post_process. Change ',' by '.'
     $("#submit-updbutton").click (function () {
         validate_post_process();
@@ -1512,7 +1545,6 @@ function advanced_option_dynamic() {
 
     } else {
         $('.hide_dinamic').show();
-        
     }
 }
 
@@ -1524,11 +1556,9 @@ function change_modules_autocomplete_input () {
     var module_autocomplete = $("#module_autocomplete");
     var load_icon = '<?php html_print_image('images/spinner.gif', false); ?>';
     var error_icon = '<?php html_print_image('images/error_red.png', false); ?>';
-    
     if (!module_autocomplete.hasClass('working')) {
         module_autocomplete.addClass('working');
         module_autocomplete.html(load_icon);
-        
         $.ajax({
             type: "POST",
             url: "ajax.php",
@@ -1563,22 +1593,26 @@ function change_modules_autocomplete_input () {
 
 // Add a new relation
 function add_new_relation () {
-    var module_a_id = parseInt($("#hidden-id_agent_module").val());
-    var module_b_id = parseInt($("#hidden-autocomplete_module_name_hidden").val());
+    var module_a_id = parseInt(
+        $("#hidden-id_agent_module").val()
+    );
+    var module_b_id = parseInt(
+        $("#hidden-autocomplete_module_name_hidden").val()
+    );
     var module_b_name = $("#text-autocomplete_module_name").val();
     var agent_b_name = $("#text-autocomplete_agent_name").val();
+    var relation_type = $("#relation_type").val();
     var hiddenRow = $("#module_relations--1");
     var button = $("#button-add_relation");
     var iconPlaceholder = $("#add_relation_status");
     var load_icon = '<?php html_print_image('images/spinner.gif', false, ['style' => 'vertical-align:middle;']); ?>';
     var suc_icon = '<?php html_print_image('images/ok.png', false, ['style' => 'vertical-align:middle;']); ?>';
     var error_icon = '<?php html_print_image('images/error_red.png', false, ['style' => 'vertical-align:middle;']); ?>';
-    
-    
+
     if (!button.hasClass('working')) {
         button.addClass('working');
         iconPlaceholder.html(load_icon);
-        
+
         $.ajax({
             type: "POST",
             url: "ajax.php",
@@ -1588,7 +1622,8 @@ function add_new_relation () {
                 add_module_relation: true,
                 id_module_a: module_a_id,
                 id_module_b: module_b_id,
-                name_module_b: module_b_name
+                name_module_b: module_b_name,
+                relation_type: relation_type
             },
             success: function (data) {
                 button.removeClass('working');
@@ -1599,29 +1634,30 @@ function add_new_relation () {
                 else {
                     iconPlaceholder.html(suc_icon);
                     setTimeout( function() { iconPlaceholder.html(''); }, 2000);
-                    
+
                     // Add the new row
                     var relationsCount = parseInt($("#hidden-module_relations_count").val());
-                    
+
                     var rowClass = "datos";
                     if (relationsCount % 2 != 0) {
                         rowClass = "datos2";
                     }
-                    
+
                     var rowHTML = '<tr id="module_relations-' + relationsCount + '" class="' + rowClass + '">' +
-                                        '<td id="module_relations-' + relationsCount + '-0"><b>' + agent_b_name + '</b></td>' +
-                                        '<td id="module_relations-' + relationsCount + '-1">' + module_b_name + '</td>' +
-                                        '<td id="module_relations-' + relationsCount + '-2" style="width: 10%; text-align: center;">' +
-                                            '<a id="disable_updates_button" class="alpha50" href="javascript: change_lock_relation(' + relationsCount + ', ' + data + ');">' +
-                                                '<?php echo html_print_image('images/lock.png', true); ?>' +
-                                            '</a>' +
-                                        '</td>' +
-                                        '<td id="module_relations-' + relationsCount + '-3" style="width: 10%; text-align: center;">' +
-                                            '<a id="delete_relation_button" href="javascript: delete_relation(' + relationsCount + ', ' + data +  ');">' +
-                                                '<?php echo html_print_image('images/cross.png', true); ?>' +
-                                            '</a>' +
-                                        '</td>' +
-                                    '</tr>';
+                                    '<td id="module_relations-' + relationsCount + '-0"><b>' + agent_b_name + '</b></td>' +
+                                    '<td id="module_relations-' + relationsCount + '-1">' + module_b_name + '</td>' +
+                                    '<td id="module_relations-' + relationsCount + '-2">' + relation_type + '</td>' +
+                                    '<td id="module_relations-' + relationsCount + '-3" style="width: 10%; text-align: center;">' +
+                                        '<a id="disable_updates_button" class="alpha50" href="javascript: change_lock_relation(' + relationsCount + ', ' + data + ');">' +
+                                            '<?php echo html_print_image('images/lock.png', true); ?>' +
+                                        '</a>' +
+                                    '</td>' +
+                                    '<td id="module_relations-' + relationsCount + '-4" style="width: 10%; text-align: center;">' +
+                                        '<a id="delete_relation_button" href="javascript: delete_relation(' + relationsCount + ', ' + data +  ');">' +
+                                            '<?php echo html_print_image('images/cross.png', true); ?>' +
+                                        '</a>' +
+                                    '</td>' +
+                                '</tr>';
                     $("#module_relations").find("tbody").append(rowHTML);
 
                     $("#hidden-module_relations_count").val(relationsCount + 1);
diff --git a/pandora_console/godmode/reporting/reporting_builder.item_editor.php b/pandora_console/godmode/reporting/reporting_builder.item_editor.php
index 8c4c21fb8f..ff8ca88e40 100755
--- a/pandora_console/godmode/reporting/reporting_builder.item_editor.php
+++ b/pandora_console/godmode/reporting/reporting_builder.item_editor.php
@@ -165,6 +165,8 @@ switch ($action) {
         $show_in_landscape = 0;
         $hide_notinit_agents = 0;
         $priority_mode = REPORT_PRIORITY_MODE_OK;
+        $failover_mode = 0;
+        $failover_type = REPORT_FAILOVER_TYPE_NORMAL;
         $server_name = '';
         $server_id = 0;
         $dyn_height = 230;
@@ -314,6 +316,8 @@ switch ($action) {
                     $sla_sorted_by = $item['top_n'];
                     $period = $item['period'];
                     $current_month = $item['current_month'];
+                    $failover_mode = $item['failover_mode'];
+                    $failover_type = $item['failover_type'];
                 break;
 
                 case 'module_histogram_graph':
@@ -566,7 +570,6 @@ switch ($action) {
                     $include_extended_events = $item['show_extended_events'];
 
                     $filter_search = $style['event_filter_search'];
-
                 break;
 
                 case 'event_report_group':
@@ -2238,6 +2241,7 @@ $class = 'databox filters';
                 ?>
             </td>
         </tr>
+
         <tr id="row_select_fields2" style="" class="datos">
         <td style="font-weight:bold;margin-right:150px;">
             <?php
@@ -2609,6 +2613,59 @@ $class = 'databox filters';
             </td>
         </tr>
 
+        <tr id="row_failover_mode" style="" class="datos">
+            <td style="font-weight:bold;">
+            <?php
+            echo __('Failover mode').ui_print_help_tip(
+                __('SLA calculation must be performed taking into account the failover modules assigned to the primary module'),
+                true
+            );
+            ?>
+            </td>
+            <td>
+                <?php
+                html_print_checkbox_switch(
+                    'failover_mode',
+                    1,
+                    $failover_mode
+                );
+                ?>
+            </td>
+        </tr>
+
+        <tr id="row_failover_type" style="" class="datos">
+            <td style="font-weight:bold;">
+            <?php
+            echo __('Failover type');
+            ?>
+            </td>
+            <td>
+                <?php
+                echo __('Failover normal');
+                echo '<span style="margin-left:5px;"></span>';
+                html_print_radio_button(
+                    'failover_type',
+                    REPORT_FAILOVER_TYPE_NORMAL,
+                    '',
+                    $failover_type == REPORT_FAILOVER_TYPE_NORMAL,
+                    ''
+                );
+
+                echo '<span style="margin:30px;"></span>';
+
+                echo __('Failover simple');
+                echo '<span style="margin-left:5px;"></span>';
+                html_print_radio_button(
+                    'failover_type',
+                    REPORT_FAILOVER_TYPE_SIMPLE,
+                    '',
+                    $failover_type == REPORT_FAILOVER_TYPE_SIMPLE,
+                    ''
+                );
+                ?>
+            </td>
+        </tr>
+
         <tr id="row_filter_search" style="" class="datos">
             <td style="font-weight:bold;"><?php echo __('Free search'); ?></td>
             <td>
@@ -2772,6 +2829,13 @@ function print_SLA_list($width, $action, $idItem=null)
         'id_rc',
         $idItem
     );
+
+    $failover_mode = db_get_value(
+        'failover_mode',
+        'treport_content',
+        'id_rc',
+        $idItem
+    );
     ?>
     <table class="databox data" id="sla_list" border="0" cellpadding="4" cellspacing="4" width="100%">
         <thead>
@@ -2784,8 +2848,23 @@ function print_SLA_list($width, $action, $idItem=null)
                 <th class="header sla_list_module_col" scope="col">
                 <?php
                 echo __('Module');
-                ?>
+                if ($report_item_type == 'availability_graph'
+                    && $failover_mode
+                ) {
+                    ?>
+                <th class="header sla_list_agent_failover" scope="col">
+                    <?php
+                    echo __('Agent Failover');
+                    ?>
                 </th>
+                <th class="header sla_list_module_failover" scope="col">
+                    <?php
+                    echo __('Module Failover');
+                    ?>
+                </th>
+                    <?php
+                }
+                ?>
                 <th class="header sla_list_service_col" scope="col">
                 <?php
                 echo __('Service');
@@ -2831,6 +2910,7 @@ function print_SLA_list($width, $action, $idItem=null)
                 case 'update':
                 case 'edit':
                     echo '<tbody id="list_sla">';
+
                     $itemsSLA = db_get_all_rows_filter(
                         'treport_content_sla_combined',
                         ['id_report_content' => $idItem]
@@ -2865,6 +2945,25 @@ function print_SLA_list($width, $action, $idItem=null)
                             ['id_agente_modulo' => $item['id_agent_module']]
                         );
 
+                        if (isset($item['id_agent_module_failover']) === true
+                            && $item['id_agent_module_failover'] !== 0
+                        ) {
+                            $idAgentFailover = db_get_value_filter(
+                                'id_agente',
+                                'tagente_modulo',
+                                ['id_agente_modulo' => $item['id_agent_module_failover']]
+                            );
+                            $nameAgentFailover = agents_get_alias(
+                                $idAgentFailover
+                            );
+
+                            $nameModuleFailover = db_get_value_filter(
+                                'nombre',
+                                'tagente_modulo',
+                                ['id_agente_modulo' => $item['id_agent_module_failover']]
+                            );
+                        }
+
                         $server_name_element = '';
                         if ($meta && $server_name != '') {
                             $server_name_element .= ' ('.$server_name.')';
@@ -2878,6 +2977,17 @@ function print_SLA_list($width, $action, $idItem=null)
                         echo printSmallFont($nameModule);
                         echo '</td>';
 
+                        if ($report_item_type == 'availability_graph'
+                            && $failover_mode
+                        ) {
+                            echo '<td class="sla_list_agent_failover">';
+                            echo printSmallFont($nameAgentFailover).$server_name_element;
+                            echo '</td>';
+                            echo '<td class="sla_list_module_failover">';
+                            echo printSmallFont($nameModuleFailover);
+                            echo '</td>';
+                        }
+
                         if (enterprise_installed()
                             && $report_item_type == 'SLA_services'
                         ) {
@@ -2926,6 +3036,15 @@ function print_SLA_list($width, $action, $idItem=null)
                             <td class="sla_list_agent_col agent_name"></td>
                             <td class="sla_list_module_col module_name"></td>
                             <?php
+                            if ($report_item_type == 'availability_graph'
+                                && $failover_mode
+                            ) {
+                                ?>
+                            <td class="sla_list_agent_failover agent_name_failover"></td>
+                            <td class="sla_list_module_failover module_name_failover"></td>
+                                <?php
+                            }
+
                             if (enterprise_installed()
                                 && $report_item_type == 'SLA_services'
                             ) {
@@ -2982,6 +3101,44 @@ function print_SLA_list($width, $action, $idItem=null)
                                 </select>
                             </td>
                             <?php
+                            if ($report_item_type == 'availability_graph'
+                                && $failover_mode
+                            ) {
+                                ?>
+                                <td class="sla_list_agent_failover_col">
+                                    <input id="hidden-id_agent_failover" name="id_agent_failover" value="" type="hidden">
+                                    <input id="hidden-server_name_failover" name="server_name_failover" value="" type="hidden">
+                                    <?php
+                                    $params = [];
+                                    $params['show_helptip'] = true;
+                                    $params['input_name'] = 'agent_failover';
+                                    $params['value'] = '';
+                                    $params['use_hidden_input_idagent'] = true;
+                                    $params['hidden_input_idagent_id'] = 'hidden-id_agent_failover';
+                                    $params['javascript_is_function_select'] = true;
+                                    $params['selectbox_id'] = 'id_agent_module_failover';
+                                    $params['add_none_module'] = false;
+                                    if ($meta) {
+                                        $params['use_input_id_server'] = true;
+                                        $params['input_id_server_id'] = 'hidden-id_server';
+                                        $params['disabled_javascript_on_blur_function'] = true;
+                                    }
+
+                                    ui_print_agent_autocomplete_input($params);
+                                    ?>
+                                </td>
+                                <td class="sla_list_module_failover_col">
+                                    <select id="id_agent_module_failover" name="id_agent_module_failover" disabled="disabled" style="max-width: 180px">
+                                        <option value="0">
+                                            <?php
+                                            echo __('Select an Agent first');
+                                            ?>
+                                        </option>
+                                    </select>
+                                </td>
+                                <?php
+                            }
+
                             if (enterprise_installed()
                                 && $report_item_type == 'SLA_services'
                             ) {
@@ -3002,23 +3159,23 @@ function print_SLA_list($width, $action, $idItem=null)
                                         ],
                                     ]
                                 );
-                                if (!empty($services_tmp)
-                                    && $services_tmp != ENTERPRISE_NOT_HOOK
+                        if (!empty($services_tmp)
+                            && $services_tmp != ENTERPRISE_NOT_HOOK
+                        ) {
+                            foreach ($services_tmp as $service) {
+                                $check_module_sla = modules_check_agentmodule_exists(
+                                    $service['sla_id_module']
+                                );
+                                $check_module_sla_value = modules_check_agentmodule_exists(
+                                    $service['sla_value_id_module']
+                                );
+                                if ($check_module_sla
+                                    && $check_module_sla_value
                                 ) {
-                                    foreach ($services_tmp as $service) {
-                                        $check_module_sla = modules_check_agentmodule_exists(
-                                            $service['sla_id_module']
-                                        );
-                                        $check_module_sla_value = modules_check_agentmodule_exists(
-                                            $service['sla_value_id_module']
-                                        );
-                                        if ($check_module_sla
-                                            && $check_module_sla_value
-                                        ) {
-                                            $services[$service['id']] = $service['name'];
-                                        }
-                                    }
+                                    $services[$service['id']] = $service['name'];
                                 }
+                            }
+                        }
 
                                 echo '<td class="sla_list_service_col">';
                                 echo html_print_select(
@@ -3617,11 +3774,18 @@ $(document).ready (function () {
     $("#checkbox-checkbox_show_resume").change(function(){
         if($(this).is(":checked")){
             $("#row_select_fields2").show();
-            $("#row_select_fields3").show();
         }
         else{
             $("#row_select_fields2").hide();
-            $("#row_select_fields3").hide();
+        }
+    });
+
+    $("#checkbox-failover_mode").change(function(){
+        if($(this).is(":checked")){
+            $("#row_failover_type").show();
+        }
+        else{
+            $("#row_failover_type").hide();
         }
     });
 });
@@ -3915,10 +4079,13 @@ function deleteGeneralRow(id_row) {
 
 function addSLARow() {
     var nameAgent = $("input[name=agent_sla]").val();
+    var nameAgentFailover = $("input[name=agent_failover]").val();
     var idAgent = $("input[name=id_agent_sla]").val();
     var serverId = $("input[name=id_server]").val();
     var idModule = $("#id_agent_module_sla").val();
+    var idModuleFailover = $("#id_agent_module_failover").val();
     var nameModule = $("#id_agent_module_sla :selected").text();
+    var nameModuleFailover = $("#id_agent_module_failover :selected").text();
     var slaMin = $("input[name=sla_min]").val();
     var slaMax = $("input[name=sla_max]").val();
     var slaLimit = $("input[name=sla_limit]").val();
@@ -3979,10 +4146,63 @@ function addSLARow() {
                 });
             }
 
+            if (nameAgentFailover != '') {
+                //Truncate nameAgentFailover
+                var params = [];
+                params.push("truncate_text=1");
+                params.push("text=" + nameAgentFailover);
+                params.push("page=include/ajax/reporting.ajax");
+                jQuery.ajax ({
+                    data: params.join ("&"),
+                    type: 'POST',
+                    url: action=
+                    <?php
+                    echo '"'.ui_get_full_url(
+                        false,
+                        false,
+                        false,
+                        false
+                    ).'"';
+                    ?>
+                    + "/ajax.php",
+                    async: false,
+                    timeout: 10000,
+                    success: function (data) {
+                        nameAgentFailover = data;
+                    }
+                });
+
+                //Truncate nameModuleFailover
+                var params = [];
+                params.push("truncate_text=1");
+                params.push("text=" + nameModuleFailover);
+                params.push("page=include/ajax/reporting.ajax");
+                jQuery.ajax ({
+                    data: params.join ("&"),
+                    type: 'POST',
+                    url: action=
+                    <?php
+                    echo '"'.ui_get_full_url(
+                        false,
+                        false,
+                        false,
+                        false
+                    ).'"';
+                    ?>
+                    + "/ajax.php",
+                    async: false,
+                    timeout: 10000,
+                    success: function (data) {
+                        nameModuleFailover = data;
+                    }
+                });
+            }
+
             var params = [];
             params.push("add_sla=1");
             params.push("id=" + $("input[name=id_item]").val());
             params.push("id_module=" + idModule);
+            params.push("id_module_failover=" + idModuleFailover);
             params.push("sla_min=" + slaMin);
             params.push("sla_max=" + slaMax);
             params.push("sla_limit=" + slaLimit);
@@ -4015,6 +4235,8 @@ function addSLARow() {
                         $("#row", row).attr('id', 'sla_' + data['id']);
                         $(".agent_name", row).html(nameAgent);
                         $(".module_name", row).html(nameModule);
+                        $(".agent_name_failover", row).html(nameAgentFailover);
+                        $(".module_name_failover", row).html(nameModuleFailover);
                         $(".service_name", row).html(serviceName);
                         $(".sla_min", row).html(slaMin);
                         $(".sla_max", row).html(slaMax);
@@ -4025,14 +4247,22 @@ function addSLARow() {
                         );
                         $("#list_sla").append($(row).html());
                         $("input[name=id_agent_sla]").val('');
+                        $("input[name=id_agent_failover]").val('');
                         $("input[name=id_server]").val('');
                         $("input[name=agent_sla]").val('');
+                        $("input[name=agent_failover]").val('');
                         $("#id_agent_module_sla").empty();
                         $("#id_agent_module_sla").attr('disabled', 'true');
                         $("#id_agent_module_sla").append(
                             $("<option></option>")
                             .attr ("value", 0)
                             .html ($("#module_sla_text").html()));
+                        $("#id_agent_module_failover").empty();
+                        $("#id_agent_module_failover").attr('disabled', 'true');
+                        $("#id_agent_module_failover").append(
+                            $("<option></option>")
+                            .attr ("value", 0)
+                            .html ($("#module_sla_text").html()));
                         $("input[name=sla_min]").val('');
                         $("input[name=sla_max]").val('');
                         $("input[name=sla_limit]").val('');
@@ -4161,7 +4391,6 @@ function addGeneralRow() {
             success: function (data) {
                 if (data['correct']) {
                     row = $("#general_template").clone();
-
                     $("#row", row).show();
                     $("#row", row).attr('id', 'general_' + data['id']);
                     $(".agent_name", row).html(nameAgent);
@@ -4211,6 +4440,8 @@ function chooseType() {
     $("#row_custom_example").hide();
     $("#row_group").hide();
     $("#row_current_month").hide();
+    $("#row_failover_mode").hide();
+    $("#row_failover_type").hide();
     $("#row_working_time").hide();
     $("#row_only_display_wrong").hide();
     $("#row_combo_module").hide();
@@ -4384,6 +4615,11 @@ function chooseType() {
             $("#row_working_time").show();
             $("#row_historical_db_check").hide();
             $("#row_priority_mode").show();
+            $("#row_failover_mode").show();
+            var failover_checked = $("input[name='failover_mode']").prop("checked");
+            if(failover_checked){
+                $("#row_failover_type").show();
+            }
             break;
 
         case 'module_histogram_graph':
diff --git a/pandora_console/godmode/reporting/reporting_builder.php b/pandora_console/godmode/reporting/reporting_builder.php
index d87a8f0e0a..1e552b112a 100755
--- a/pandora_console/godmode/reporting/reporting_builder.php
+++ b/pandora_console/godmode/reporting/reporting_builder.php
@@ -1441,6 +1441,14 @@ switch ($action) {
                                 $values['show_graph'] = get_parameter(
                                     'combo_graph_options'
                                 );
+                                $values['failover_mode'] = get_parameter(
+                                    'failover_mode',
+                                    0
+                                );
+                                $values['failover_type'] = get_parameter(
+                                    'failover_type',
+                                    REPORT_FAILOVER_TYPE_NORMAL
+                                );
 
                                 $good_format = true;
                             break;
@@ -2398,6 +2406,16 @@ switch ($action) {
 
                         $values['current_month'] = get_parameter('current_month');
 
+                        $values['failover_mode'] = get_parameter(
+                            'failover_mode',
+                            0
+                        );
+
+                        $values['failover_type'] = get_parameter(
+                            'failover_type',
+                            REPORT_FAILOVER_TYPE_NORMAL
+                        );
+
                         $style = [];
                         $style['show_in_same_row'] = get_parameter(
                             'show_in_same_row',
diff --git a/pandora_console/include/ajax/module.php b/pandora_console/include/ajax/module.php
index e148964e08..730c82c2cb 100755
--- a/pandora_console/include/ajax/module.php
+++ b/pandora_console/include/ajax/module.php
@@ -472,11 +472,17 @@ if (check_login()) {
         $result = false;
         $id_module_a = (int) get_parameter('id_module_a');
         $id_module_b = (int) get_parameter('id_module_b');
+        $type = (string) get_parameter('relation_type');
 
         if ($id_module_a < 1) {
             $name_module_a = get_parameter('name_module_a', '');
             if ($name_module_a) {
-                $id_module_a = (int) db_get_value('id_agente_modulo', 'tagente_modulo', 'nombre', $name_module_a);
+                $id_module_a = (int) db_get_value(
+                    'id_agente_modulo',
+                    'tagente_modulo',
+                    'nombre',
+                    $name_module_a
+                );
             } else {
                 echo json_encode($result);
                 return;
@@ -486,7 +492,12 @@ if (check_login()) {
         if ($id_module_b < 1) {
             $name_module_b = get_parameter('name_module_b', '');
             if ($name_module_b) {
-                $id_module_b = (int) db_get_value('id_agente_modulo', 'tagente_modulo', 'nombre', $name_module_b);
+                $id_module_b = (int) db_get_value(
+                    'id_agente_modulo',
+                    'tagente_modulo',
+                    'nombre',
+                    $name_module_b
+                );
             } else {
                 echo json_encode($result);
                 return;
@@ -494,7 +505,7 @@ if (check_login()) {
         }
 
         if ($id_module_a > 0 && $id_module_b > 0) {
-            $result = modules_add_relation($id_module_a, $id_module_b);
+            $result = modules_add_relation($id_module_a, $id_module_b, $type);
         }
 
         echo json_encode($result);
diff --git a/pandora_console/include/ajax/reporting.ajax.php b/pandora_console/include/ajax/reporting.ajax.php
index 55ed7dd216..dec331b6ef 100755
--- a/pandora_console/include/ajax/reporting.ajax.php
+++ b/pandora_console/include/ajax/reporting.ajax.php
@@ -65,6 +65,7 @@ if ($add_sla) {
     $sla_max = get_parameter('sla_max', 0);
     $sla_min = get_parameter('sla_min', 0);
     $server_id = (int) get_parameter('server_id', 0);
+    $id_module_failover = (int) get_parameter('id_module_failover', 0);
 
     $id_service = (int) get_parameter('id_service');
     if (empty($id_module) && !empty($id_service)) {
@@ -85,12 +86,13 @@ if ($add_sla) {
     $result = db_process_sql_insert(
         'treport_content_sla_combined',
         [
-            'id_report_content' => $id,
-            'id_agent_module'   => $id_module,
-            'sla_max'           => $sla_max,
-            'sla_min'           => $sla_min,
-            'sla_limit'         => $sla_limit,
-            'server_name'       => $connection['server_name'],
+            'id_report_content'        => $id,
+            'id_agent_module'          => $id_module,
+            'id_agent_module_failover' => $id_module_failover,
+            'sla_max'                  => $sla_max,
+            'sla_min'                  => $sla_min,
+            'sla_limit'                => $sla_limit,
+            'server_name'              => $connection['server_name'],
         ]
     );
 
diff --git a/pandora_console/include/ajax/update_manager.ajax.php b/pandora_console/include/ajax/update_manager.ajax.php
index 7a7cefc82b..9c964536b1 100644
--- a/pandora_console/include/ajax/update_manager.ajax.php
+++ b/pandora_console/include/ajax/update_manager.ajax.php
@@ -163,6 +163,7 @@ if ($install_package) {
             unlink($files_copied);
         }
 
+
         if (file_exists($package)) {
             if ($files_h = fopen($files_total, 'r')) {
                 while ($line = stream_get_line($files_h, 65535, "\n")) {
diff --git a/pandora_console/include/functions_modules.php b/pandora_console/include/functions_modules.php
index 8e42c186fb..5d43c8fd19 100755
--- a/pandora_console/include/functions_modules.php
+++ b/pandora_console/include/functions_modules.php
@@ -2631,7 +2631,7 @@ function modules_get_relations($params=[])
     }
 
     $sql = 'SELECT DISTINCT tmr.id, tmr.module_a, tmr.module_b,
-				tmr.disable_update
+				tmr.disable_update, tmr.type
 			FROM tmodule_relationship tmr,
 				tagente_modulo tam,
 				tagente ta,
@@ -2734,11 +2734,13 @@ function modules_relation_exists($id_module, $id_module_other=false)
 /**
  * Change the 'disabled_update' value of a relation row.
  *
- * @param int Relation id.
+ * @param integer $id_module_a Id agent module a.
+ * @param integer $id_module_b Id agent module b.
+ * @param string  $type        Type direct or failover.
  *
  * @return boolean True if the 'disabled_update' changes to 1, false otherwise.
  */
-function modules_add_relation($id_module_a, $id_module_b)
+function modules_add_relation($id_module_a, $id_module_b, $type='direct')
 {
     $result = false;
 
@@ -2746,6 +2748,7 @@ function modules_add_relation($id_module_a, $id_module_b)
         $values = [
             'module_a' => $id_module_a,
             'module_b' => $id_module_b,
+            'type'     => $type,
         ];
         $result = db_process_sql_insert('tmodule_relationship', $values);
     }
diff --git a/pandora_console/include/functions_networkmap.php b/pandora_console/include/functions_networkmap.php
index ceaabaaadf..e4fb19e814 100644
--- a/pandora_console/include/functions_networkmap.php
+++ b/pandora_console/include/functions_networkmap.php
@@ -450,14 +450,26 @@ function networkmap_generate_dot(
                         $nodes[$node_count] = $module;
                 }
             } else {
-                $have_relations_a = db_get_value('id', 'tmodule_relationship', 'module_a', $module['id_agente_modulo']);
-                $have_relations_b = db_get_value('id', 'tmodule_relationship', 'module_b', $module['id_agente_modulo']);
+                $sql_a = sprintf(
+                    'SELECT id
+                    FROM tmodule_relationship
+                    WHERE module_a = %d AND type = "direct"',
+                    $module['id_agente_modulo']
+                );
+                $sql_b = sprintf(
+                    'SELECT id
+                    FROM tmodule_relationship
+                    WHERE module_b = %d AND type = "direct"',
+                    $module['id_agente_modulo']
+                );
+                $have_relations_a = db_get_value_sql($sql_a);
+                $have_relations_b = db_get_value_sql($sql_b);
 
                 if ($have_relations_a || $have_relations_b) {
-                    // Save node parent information to define edges later
+                    // Save node parent information to define edges later.
                     $parents[$node_count] = $module['parent'] = $agent['id_node'];
 
-                    // Add node
+                    // Add node.
                     $nodes[$node_count] = $module;
                 }
             }
diff --git a/pandora_console/include/functions_reporting.php b/pandora_console/include/functions_reporting.php
index f356a6ead3..97766305a2 100755
--- a/pandora_console/include/functions_reporting.php
+++ b/pandora_console/include/functions_reporting.php
@@ -1,20 +1,30 @@
 <?php
-
-// Pandora FMS - http://pandorafms.com
-// ==================================================
-// Copyright (c) 2005-2011 Artica Soluciones Tecnologicas
-// Please see http://pandorafms.org for full contribution list
-// This program is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Lesser General Public License
-// as published by the Free Software Foundation; version 2
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-
 /**
- * @package    Include
- * @subpackage Reporting
+ * Extension to manage a list of gateways and the node address where they should
+ * point to.
+ *
+ * @category   Reporting
+ * @package    Pandora FMS
+ * @subpackage Community
+ * @version    1.0.0
+ * @license    See below
+ *
+ *    ______                 ___                    _______ _______ ________
+ *   |   __ \.-----.--.--.--|  |.-----.----.-----. |    ___|   |   |     __|
+ *  |    __/|  _  |     |  _  ||  _  |   _|  _  | |    ___|       |__     |
+ * |___|   |___._|__|__|_____||_____|__| |___._| |___|   |__|_|__|_______|
+ *
+ * ============================================================================
+ * Copyright (c) 2005-2019 Artica Soluciones Tecnologicas
+ * Please see http://pandorafms.org for full contribution list
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation for version 2.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * ============================================================================
  */
 
 /**
@@ -38,13 +48,15 @@ require_once $config['homedir'].'/include/functions_netflow.php';
 require_once $config['homedir'].'/include/functions_os.php';
 require_once $config['homedir'].'/include/functions_network.php';
 
-//
-// CONSTANTS DEFINITIONS                //
-//
+// CONSTANTS DEFINITIONS.
 // Priority modes.
 define('REPORT_PRIORITY_MODE_OK', 1);
 define('REPORT_PRIORITY_MODE_UNKNOWN', 2);
 
+// Failover type.
+define('REPORT_FAILOVER_TYPE_NORMAL', 1);
+define('REPORT_FAILOVER_TYPE_SIMPLE', 2);
+
 // Status.
 define('REPORT_STATUS_ERR', 0);
 define('REPORT_STATUS_OK', 1);
@@ -6389,11 +6401,15 @@ function reporting_availability($report, $content, $date=false, $time=false)
 }
 
 
-/**
- * reporting_availability_graph
- *
- *  Generates a structure the report.
- */
+ /**
+  * Reporting_availability_graph.
+  *
+  * @param array   $report  Info report.
+  * @param array   $content Content data.
+  * @param boolean $pdf     Output type PDF.
+  *
+  * @return array Generates a structure the report.
+  */
 function reporting_availability_graph($report, $content, $pdf=false)
 {
     global $config;
@@ -6410,9 +6426,10 @@ function reporting_availability_graph($report, $content, $pdf=false)
 
     $return['title'] = $content['name'];
     $return['description'] = $content['description'];
+    $return['failover_type'] = $content['failover_type'];
     $return['date'] = reporting_get_date_text($report, $content);
 
-    // Get chart
+    // Get chart.
     reporting_set_conf_charts(
         $width,
         $height,
@@ -6456,83 +6473,8 @@ function reporting_availability_graph($report, $content, $pdf=false)
 
         foreach ($slas as $sla) {
             $server_name = $sla['server_name'];
-            // Metaconsole connection
-            if ($metaconsole_on && $server_name != '') {
-                $connection = metaconsole_get_connection($server_name);
-                if (!metaconsole_load_external_db($connection)) {
-                    // ui_print_error_message ("Error connecting to ".$server_name);
-                    continue;
-                }
-            }
 
-            if (modules_is_disable_agent($sla['id_agent_module'])
-                || modules_is_not_init($sla['id_agent_module'])
-            ) {
-                if ($metaconsole_on) {
-                    // Restore db connection
-                    metaconsole_restore_db();
-                }
-
-                continue;
-            }
-
-            // controller min and max == 0 then dinamic min and max critical
-            $dinamic_text = 0;
-            if ($sla['sla_min'] == 0 && $sla['sla_max'] == 0) {
-                $sla['sla_min'] = null;
-                $sla['sla_max'] = null;
-                $dinamic_text = __('Dynamic');
-            }
-
-            // controller inverse interval
-            $inverse_interval = 0;
-            if ((isset($sla['sla_max'])) && (isset($sla['sla_min']))) {
-                if ($sla['sla_max'] < $sla['sla_min']) {
-                    $content_sla_max  = $sla['sla_max'];
-                    $sla['sla_max']   = $sla['sla_min'];
-                    $sla['sla_min']   = $content_sla_max;
-                    $inverse_interval = 1;
-                    $dinamic_text = __('Inverse');
-                }
-            }
-
-            // for graph slice for module-interval, if not slice=0;
-            $module_interval = modules_get_interval($sla['id_agent_module']);
-            $slice = ($content['period'] / $module_interval);
-
-            // call functions sla
-            $sla_array = [];
-            $sla_array = reporting_advanced_sla(
-                $sla['id_agent_module'],
-                ($report['datetime'] - $content['period']),
-                $report['datetime'],
-                $sla['sla_min'],
-                // min_value -> dynamic
-                $sla['sla_max'],
-                // max_value -> dynamic
-                $inverse_interval,
-                // inverse_interval -> dynamic
-                [
-                    '1' => $content['sunday'],
-                    '2' => $content['monday'],
-                    '3' => $content['tuesday'],
-                    '4' => $content['wednesday'],
-                    '5' => $content['thursday'],
-                    '6' => $content['friday'],
-                    '7' => $content['saturday'],
-                ],
-                $content['time_from'],
-                $content['time_to'],
-                $slice
-            );
-
-            if ($metaconsole_on) {
-                // Restore db connection
-                metaconsole_restore_db();
-            }
-
-            $server_name = $sla['server_name'];
-            // Metaconsole connection
+            // Metaconsole connection.
             if ($metaconsole_on && $server_name != '') {
                 $connection = metaconsole_get_connection($server_name);
                 if (metaconsole_connect($connection) != NOERR) {
@@ -6540,199 +6482,149 @@ function reporting_availability_graph($report, $content, $pdf=false)
                 }
             }
 
-            $planned_downtimes = reporting_get_planned_downtimes_intervals($sla['id_agent_module'], ($report['datetime'] - $content['period']), $report['datetime']);
-
-            if ((is_array($planned_downtimes)) && (count($planned_downtimes) > 0)) {
-                // Sort retrieved planned downtimes
-                usort(
-                    $planned_downtimes,
-                    function ($a, $b) {
-                        $a = intval($a['date_from']);
-                        $b = intval($b['date_from']);
-                        if ($a == $b) {
-                            return 0;
+            if ($content['failover_mode']) {
+                $sla_failover = [];
+                $sla_failover['primary'] = $sla;
+                if (isset($sla['id_agent_module_failover']) === true
+                    && $sla['id_agent_module_failover'] != 0
+                ) {
+                    $sla_failover['failover'] = $sla;
+                    $sla_failover['failover']['id_agent_module'] = $sla['id_agent_module_failover'];
+                } else {
+                    $sql_relations = sprintf(
+                        'SELECT module_b
+                        FROM tmodule_relationship
+                        WHERE module_a = %d
+                        AND type = "failover"',
+                        $sla['id_agent_module']
+                    );
+                    $relations = db_get_all_rows_sql($sql_relations);
+                    if (isset($relations) === true
+                        && is_array($relations) === true
+                    ) {
+                        foreach ($relations as $key => $value) {
+                            $sla_failover['failover_'.$key] = $sla;
+                            $sla_failover['failover_'.$key]['id_agent_module'] = $value['module_b'];
                         }
-
-                        return ($a < $b) ? -1 : 1;
                     }
+                }
+
+                // For graph slice for module-interval, if not slice=0.
+                $module_interval = modules_get_interval($sla['id_agent_module']);
+                $slice = ($content['period'] / $module_interval);
+                $data_combined = [];
+
+                foreach ($sla_failover as $k_sla => $v_sla) {
+                    $sla_array = data_db_uncompress_module(
+                        $v_sla,
+                        $content,
+                        $report['datetime'],
+                        $slice
+                    );
+
+                    if ($content['failover_type'] == REPORT_FAILOVER_TYPE_NORMAL) {
+                        $return = prepare_data_for_paint(
+                            $v_sla,
+                            $sla_array,
+                            $content,
+                            $report['datetime'],
+                            $return,
+                            $k_sla,
+                            $pdf
+                        );
+                    }
+
+                    $data_combined[] = $sla_array;
+                }
+
+                if (isset($data_combined) === true
+                    && is_array($data_combined) === true
+                    && count($data_combined) > 0
+                ) {
+                    $count_failover = count($data_combined);
+
+                    $data_a = $data_combined[0];
+                    for ($i = 1; $count_failover > $i; $i++) {
+                        $data_a = array_map(
+                            function ($primary, $failover) {
+                                $return_map = [];
+                                if ($primary['date_from'] === $failover['date_from']
+                                    && $primary['date_to'] === $failover['date_to']
+                                ) {
+                                    if ($primary['time_ok'] < $failover['time_ok']) {
+                                        $primary['time_total'] = $failover['time_total'];
+                                        $primary['time_ok'] = $failover['time_ok'];
+                                        $primary['time_error'] = $failover['time_error'];
+                                        $primary['time_unknown'] = $failover['time_unknown'];
+                                        $primary['time_not_init'] = $failover['time_not_init'];
+                                        $primary['time_downtime'] = $failover['time_downtime'];
+                                        $primary['time_out'] = $failover['time_out'];
+                                        $primary['checks_total'] = $failover['checks_total'];
+                                        $primary['checks_ok'] = $failover['checks_ok'];
+                                        $primary['checks_error'] = $failover['checks_error'];
+                                        $primary['checks_unknown'] = $failover['checks_unknown'];
+                                        $primary['checks_not_init'] = $failover['checks_not_init'];
+                                        $primary['SLA'] = $failover['SLA'];
+                                        $primary['sla_fixed'] = $failover['sla_fixed'];
+                                    }
+
+                                    $return_map = $primary;
+                                }
+
+                                return $return_map;
+                            },
+                            $data_a,
+                            $data_combined[($i)]
+                        );
+                    }
+
+                    $return = prepare_data_for_paint(
+                        $sla,
+                        $data_a,
+                        $content,
+                        $report['datetime'],
+                        $return,
+                        'result',
+                        $pdf
+                    );
+                }
+            } else {
+                $sla_array = data_db_uncompress_module(
+                    $sla,
+                    $content,
+                    $report['datetime']
                 );
 
-                // Compress (overlapped) planned downtimes
-                $npd = count($planned_downtimes);
-                for ($i = 0; $i < $npd; $i++) {
-                    if (isset($planned_downtimes[($i + 1)])) {
-                        if ($planned_downtimes[$i]['date_to'] >= $planned_downtimes[($i + 1)]['date_from']) {
-                            // merge
-                            $planned_downtimes[$i]['date_to'] = $planned_downtimes[($i + 1)]['date_to'];
-                            array_splice($planned_downtimes, ($i + 1), 1);
-                            $npd--;
-                        }
-                    }
-                }
-            } else {
-                $planned_downtimes = null;
+                $return = prepare_data_for_paint(
+                    $sla,
+                    $sla_array,
+                    $content,
+                    $report['datetime'],
+                    $return,
+                    '',
+                    $pdf
+                );
             }
 
-            $data = [];
-            $data['agent']        = modules_get_agentmodule_agent_alias($sla['id_agent_module']);
-            $data['module']       = modules_get_agentmodule_name($sla['id_agent_module']);
-            $data['max']          = $sla['sla_max'];
-            $data['min']          = $sla['sla_min'];
-            $data['sla_limit']    = $sla['sla_limit'];
-            $data['dinamic_text'] = $dinamic_text;
-
-            if (isset($sla_array[0])) {
-                $data['time_total']      = 0;
-                $data['time_ok']         = 0;
-                $data['time_error']      = 0;
-                $data['time_unknown']    = 0;
-                $data['time_not_init']   = 0;
-                $data['time_downtime']   = 0;
-                $data['checks_total']    = 0;
-                $data['checks_ok']       = 0;
-                $data['checks_error']    = 0;
-                $data['checks_unknown']  = 0;
-                $data['checks_not_init'] = 0;
-
-                $raw_graph = [];
-                $i = 0;
-                foreach ($sla_array as $value_sla) {
-                    $data['time_total']      += $value_sla['time_total'];
-                    $data['time_ok']         += $value_sla['time_ok'];
-                    $data['time_error']      += $value_sla['time_error'];
-                    $data['time_unknown']    += $value_sla['time_unknown'];
-                    $data['time_downtime']   += $value_sla['time_downtime'];
-                    $data['time_not_init']   += $value_sla['time_not_init'];
-                    $data['checks_total']    += $value_sla['checks_total'];
-                    $data['checks_ok']       += $value_sla['checks_ok'];
-                    $data['checks_error']    += $value_sla['checks_error'];
-                    $data['checks_unknown']  += $value_sla['checks_unknown'];
-                    $data['checks_not_init'] += $value_sla['checks_not_init'];
-
-                    // generate raw data for graph
-                    $period = reporting_sla_get_status_period($value_sla, $priority_mode);
-                    $raw_graph[$i]['data'] = reporting_translate_sla_status_for_graph($period);
-                    $raw_graph[$i]['utimestamp'] = ($value_sla['date_to'] - $value_sla['date_from']);
-                    $i++;
-                }
-
-                $data['sla_value'] = reporting_sla_get_compliance_from_array($data);
-                $data['sla_fixed'] = sla_truncate($data['sla_value'], $config['graph_precision']);
-            } else {
-                // Show only table not divider in slice for defect slice=1
-                $data['time_total']      = $sla_array['time_total'];
-                $data['time_ok']         = $sla_array['time_ok'];
-                $data['time_error']      = $sla_array['time_error'];
-                $data['time_unknown']    = $sla_array['time_unknown'];
-                $data['time_downtime']   = $sla_array['time_downtime'];
-                $data['time_not_init']   = $sla_array['time_not_init'];
-                $data['checks_total']    = $sla_array['checks_total'];
-                $data['checks_ok']       = $sla_array['checks_ok'];
-                $data['checks_error']    = $sla_array['checks_error'];
-                $data['checks_unknown']  = $sla_array['checks_unknown'];
-                $data['checks_not_init'] = $sla_array['checks_not_init'];
-                $data['sla_value']       = $sla_array['SLA'];
-            }
-
-            // checks whether or not it meets the SLA
-            if ($data['sla_value'] >= $sla['sla_limit']) {
-                $data['sla_status'] = 1;
-                $sla_failed = false;
-            } else {
-                $sla_failed = true;
-                $data['sla_status'] = 0;
-            }
-
-            // Do not show right modules if 'only_display_wrong' is active
-            if ($content['only_display_wrong'] && $sla_failed == false) {
-                continue;
-            }
-
-            // find order
-            $data['order'] = $data['sla_value'];
-            $return['data'][] = $data;
-
-            $data_init = -1;
-            $acum = 0;
-            $sum = 0;
-            $array_result = [];
-            $i = 0;
-            foreach ($raw_graph as $key => $value) {
-                if ($data_init == -1) {
-                    $data_init = $value['data'];
-                    $acum      = $value['utimestamp'];
-                    $sum       = $value['data'];
-                } else {
-                    if ($data_init == $value['data']) {
-                        $acum = ($acum + $value['utimestamp']);
-                        $sum  = ($sum + $value['real_data']);
-                    } else {
-                        $array_result[$i]['data'] = $data_init;
-                        $array_result[$i]['utimestamp'] = $acum;
-                        $array_result[$i]['real_data'] = $sum;
-                        $i++;
-                        $data_init = $value['data'];
-                        $acum = $value['utimestamp'];
-                        $sum = $value['real_data'];
-                    }
-                }
-            }
-
-            $array_result[$i]['data'] = $data_init;
-            $array_result[$i]['utimestamp'] = $acum;
-            $array_result[$i]['real_data'] = $sum;
-
-            // Slice graphs calculation
-            $dataslice = [];
-            $dataslice['agent']        = modules_get_agentmodule_agent_alias($sla['id_agent_module']);
-            $dataslice['module']       = modules_get_agentmodule_name($sla['id_agent_module']);
-            $dataslice['order']        = $data['sla_value'];
-            $dataslice['checks_total'] = $data['checks_total'];
-            $dataslice['checks_ok']    = $data['checks_ok'];
-            $dataslice['time_total']   = $data['time_total'];
-            $dataslice['time_not_init'] = $data['time_not_init'];
-            $dataslice['sla_status']   = $data['sla_status'];
-            $dataslice['sla_value']    = $data['sla_value'];
-
-            $dataslice['chart'] = graph_sla_slicebar(
-                $sla['id_agent_module'],
-                $content['period'],
-                $sla['sla_min'],
-                $sla['sla_max'],
-                $report['datetime'],
-                $content,
-                $content['time_from'],
-                $content['time_to'],
-                100,
-                70,
-                $urlImage,
-                $ttl,
-                $array_result,
-                false
-            );
-
-            $return['charts'][] = $dataslice;
-
             if ($metaconsole_on) {
-                // Restore db connection
+                // Restore db connection.
                 metaconsole_restore_db();
             }
         }
 
-        // SLA items sorted descending ()
+        // SLA items sorted descending.
         if ($content['top_n'] == 2) {
             arsort($return['data']['']);
-        }
-        // SLA items sorted ascending
-        else if ($content['top_n'] == 1) {
+        } else if ($content['top_n'] == 1) {
+            // SLA items sorted ascending.
             asort($sla_showed_values);
         }
 
-        // order data for ascending or descending
+        // Order data for ascending or descending.
         if ($content['top_n'] != 0) {
             switch ($content['top_n']) {
                 case 1:
-                    // order tables
+                    // Order tables.
                     $temp = [];
                     foreach ($return['data'] as $row) {
                         $i = 0;
@@ -6749,7 +6641,7 @@ function reporting_availability_graph($report, $content, $pdf=false)
 
                     $return['data'] = $temp;
 
-                    // order graphs
+                    // Order graphs.
                     $temp = [];
                     foreach ($return['charts'] as $row) {
                         $i = 0;
@@ -6765,11 +6657,10 @@ function reporting_availability_graph($report, $content, $pdf=false)
                     }
 
                     $return['charts'] = $temp;
-
                 break;
 
                 case 2:
-                    // order tables
+                    // Order tables.
                     $temp = [];
                     foreach ($return['data'] as $row) {
                         $i = 0;
@@ -6786,7 +6677,7 @@ function reporting_availability_graph($report, $content, $pdf=false)
 
                     $return['data'] = $temp;
 
-                    // order graph
+                    // Order graph.
                     $temp = [];
                     foreach ($return['charts'] as $row) {
                         $i = 0;
@@ -6802,7 +6693,10 @@ function reporting_availability_graph($report, $content, $pdf=false)
                     }
 
                     $return['charts'] = $temp;
+                break;
 
+                default:
+                    // If not posible.
                 break;
             }
         }
@@ -6812,6 +6706,313 @@ function reporting_availability_graph($report, $content, $pdf=false)
 }
 
 
+/**
+ * Return data db uncompress for module.
+ *
+ * @param array   $sla      Data neccesary for db_uncompress.
+ * @param array   $content  Conetent report.
+ * @param array   $datetime Date.
+ * @param integer $slice    Defined slice.
+ *
+ * @return array
+ */
+function data_db_uncompress_module($sla, $content, $datetime, $slice=0)
+{
+    // Controller min and max == 0 then dinamic min and max critical.
+    $dinamic_text = 0;
+    if ($sla['sla_min'] == 0 && $sla['sla_max'] == 0) {
+        $sla['sla_min'] = null;
+        $sla['sla_max'] = null;
+        $dinamic_text = __('Dynamic');
+    }
+
+    // Controller inverse interval.
+    $inverse_interval = 0;
+    if ((isset($sla['sla_max'])) && (isset($sla['sla_min']))) {
+        if ($sla['sla_max'] < $sla['sla_min']) {
+            $content_sla_max  = $sla['sla_max'];
+            $sla['sla_max']   = $sla['sla_min'];
+            $sla['sla_min']   = $content_sla_max;
+            $inverse_interval = 1;
+            $dinamic_text = __('Inverse');
+        }
+    }
+
+    if ($slice === 0) {
+        // For graph slice for module-interval, if not slice=0.
+        $module_interval = modules_get_interval($sla['id_agent_module']);
+        $slice = ($content['period'] / $module_interval);
+    }
+
+    // Call functions sla.
+    $sla_array = [];
+    $sla_array = reporting_advanced_sla(
+        $sla['id_agent_module'],
+        ($datetime - $content['period']),
+        $datetime,
+        $sla['sla_min'],
+        $sla['sla_max'],
+        $inverse_interval,
+        [
+            '1' => $content['sunday'],
+            '2' => $content['monday'],
+            '3' => $content['tuesday'],
+            '4' => $content['wednesday'],
+            '5' => $content['thursday'],
+            '6' => $content['friday'],
+            '7' => $content['saturday'],
+        ],
+        $content['time_from'],
+        $content['time_to'],
+        $slice
+    );
+
+    return $sla_array;
+}
+
+
+/**
+ * Return array planned downtimes.
+ *
+ * @param integer $id_agent_module Id module.
+ * @param integer $datetime        Date utimestamp.
+ * @param integer $period          Period utimestamp.
+ *
+ * @return array
+ */
+function reporting_get_planned_downtimes_sla($id_agent_module, $datetime, $period)
+{
+    $planned_downtimes = reporting_get_planned_downtimes_intervals(
+        $id_agent_module,
+        ($datetime - $period),
+        $datetime
+    );
+
+    if ((is_array($planned_downtimes))
+        && (count($planned_downtimes) > 0)
+    ) {
+        // Sort retrieved planned downtimes.
+        usort(
+            $planned_downtimes,
+            function ($a, $b) {
+                $a = intval($a['date_from']);
+                $b = intval($b['date_from']);
+                if ($a == $b) {
+                    return 0;
+                }
+
+                return ($a < $b) ? (-1) : 1;
+            }
+        );
+
+        // Compress (overlapped) planned downtimes.
+        $npd = count($planned_downtimes);
+        for ($i = 0; $i < $npd; $i++) {
+            if (isset($planned_downtimes[($i + 1)])) {
+                if ($planned_downtimes[$i]['date_to'] >= $planned_downtimes[($i + 1)]['date_from']) {
+                    // Merge.
+                    $planned_downtimes[$i]['date_to'] = $planned_downtimes[($i + 1)]['date_to'];
+                    array_splice($planned_downtimes, ($i + 1), 1);
+                    $npd--;
+                }
+            }
+        }
+    } else {
+        $planned_downtimes = [];
+    }
+
+    return $planned_downtimes;
+}
+
+
+/**
+ * Prepare data for Paint in report.
+ *
+ * @param array   $sla       Data Module to sla.
+ * @param array   $sla_array Data uncompressed.
+ * @param array   $content   Content report data.
+ * @param integer $datetime  Date.
+ * @param array   $return    Array return.
+ * @param string  $failover  Type primary, failover, Result.
+ * @param boolean $pdf       Chart pdf mode.
+ *
+ * @return array Return modify.
+ */
+function prepare_data_for_paint(
+    $sla,
+    $sla_array,
+    $content,
+    $datetime,
+    $return,
+    $failover='',
+    $pdf=false
+) {
+    $data = [];
+    $alias_agent = modules_get_agentmodule_agent_alias(
+        $sla['id_agent_module']
+    );
+    $name_module = modules_get_agentmodule_name(
+        $sla['id_agent_module']
+    );
+
+    $data['agent'] = $alias_agent;
+    $data['module'] = $name_module;
+    $data['max'] = $sla['sla_max'];
+    $data['min'] = $sla['sla_min'];
+    $data['sla_limit'] = $sla['sla_limit'];
+    $data['dinamic_text'] = $dinamic_text;
+    $data['failover'] = $failover;
+    if (isset($sla_array[0])) {
+        $data['time_total']      = 0;
+        $data['time_ok']         = 0;
+        $data['time_error']      = 0;
+        $data['time_unknown']    = 0;
+        $data['time_not_init']   = 0;
+        $data['time_downtime']   = 0;
+        $data['checks_total']    = 0;
+        $data['checks_ok']       = 0;
+        $data['checks_error']    = 0;
+        $data['checks_unknown']  = 0;
+        $data['checks_not_init'] = 0;
+
+        $raw_graph = [];
+        $i = 0;
+        foreach ($sla_array as $value_sla) {
+            $data['time_total']      += $value_sla['time_total'];
+            $data['time_ok']         += $value_sla['time_ok'];
+            $data['time_error']      += $value_sla['time_error'];
+            $data['time_unknown']    += $value_sla['time_unknown'];
+            $data['time_downtime']   += $value_sla['time_downtime'];
+            $data['time_not_init']   += $value_sla['time_not_init'];
+            $data['checks_total']    += $value_sla['checks_total'];
+            $data['checks_ok']       += $value_sla['checks_ok'];
+            $data['checks_error']    += $value_sla['checks_error'];
+            $data['checks_unknown']  += $value_sla['checks_unknown'];
+            $data['checks_not_init'] += $value_sla['checks_not_init'];
+
+            // Generate raw data for graph.
+            $period = reporting_sla_get_status_period(
+                $value_sla,
+                $priority_mode
+            );
+            $raw_graph[$i]['data'] = reporting_translate_sla_status_for_graph(
+                $period
+            );
+            $raw_graph[$i]['utimestamp'] = ($value_sla['date_to'] - $value_sla['date_from']);
+            $i++;
+        }
+
+        $data['sla_value'] = reporting_sla_get_compliance_from_array(
+            $data
+        );
+        $data['sla_fixed'] = sla_truncate(
+            $data['sla_value'],
+            $config['graph_precision']
+        );
+    } else {
+        // Show only table not divider in slice for defect slice=1.
+        $data['time_total']      = $sla_array['time_total'];
+        $data['time_ok']         = $sla_array['time_ok'];
+        $data['time_error']      = $sla_array['time_error'];
+        $data['time_unknown']    = $sla_array['time_unknown'];
+        $data['time_downtime']   = $sla_array['time_downtime'];
+        $data['time_not_init']   = $sla_array['time_not_init'];
+        $data['checks_total']    = $sla_array['checks_total'];
+        $data['checks_ok']       = $sla_array['checks_ok'];
+        $data['checks_error']    = $sla_array['checks_error'];
+        $data['checks_unknown']  = $sla_array['checks_unknown'];
+        $data['checks_not_init'] = $sla_array['checks_not_init'];
+        $data['sla_value']       = $sla_array['SLA'];
+    }
+
+    // Checks whether or not it meets the SLA.
+    if ($data['sla_value'] >= $sla['sla_limit']) {
+        $data['sla_status'] = 1;
+        $sla_failed = false;
+    } else {
+        $sla_failed = true;
+        $data['sla_status'] = 0;
+    }
+
+    // Do not show right modules if 'only_display_wrong' is active.
+    if ($content['only_display_wrong'] && $sla_failed == false) {
+        return $return;
+    }
+
+    // Find order.
+    $data['order'] = $data['sla_value'];
+    $return['data'][] = $data;
+
+    $data_init = -1;
+    $acum = 0;
+    $sum = 0;
+    $array_result = [];
+    $i = 0;
+    foreach ($raw_graph as $key => $value) {
+        if ($data_init == -1) {
+            $data_init = $value['data'];
+            $acum      = $value['utimestamp'];
+            $sum       = $value['data'];
+        } else {
+            if ($data_init == $value['data']) {
+                $acum = ($acum + $value['utimestamp']);
+                $sum  = ($sum + $value['real_data']);
+            } else {
+                $array_result[$i]['data'] = $data_init;
+                $array_result[$i]['utimestamp'] = $acum;
+                $array_result[$i]['real_data'] = $sum;
+                $i++;
+                $data_init = $value['data'];
+                $acum = $value['utimestamp'];
+                $sum = $value['real_data'];
+            }
+        }
+    }
+
+    $array_result[$i]['data'] = $data_init;
+    $array_result[$i]['utimestamp'] = $acum;
+    $array_result[$i]['real_data'] = $sum;
+
+    // Slice graphs calculation.
+    $dataslice = [];
+    $dataslice['agent'] = $alias_agent;
+    $dataslice['module'] = $name_module;
+    $dataslice['order'] = $data['sla_value'];
+    $dataslice['checks_total'] = $data['checks_total'];
+    $dataslice['checks_ok'] = $data['checks_ok'];
+    $dataslice['time_total'] = $data['time_total'];
+    $dataslice['time_not_init'] = $data['time_not_init'];
+    $dataslice['sla_status'] = $data['sla_status'];
+    $dataslice['sla_value'] = $data['sla_value'];
+
+    $height = 80;
+    if ($failover !== '' && $failover !== 'result') {
+        $height = 50;
+    }
+
+    $dataslice['chart'] = graph_sla_slicebar(
+        $sla['id_agent_module'],
+        $content['period'],
+        $sla['sla_min'],
+        $sla['sla_max'],
+        $datetime,
+        $content,
+        $content['time_from'],
+        $content['time_to'],
+        100,
+        $height,
+        $urlImage,
+        ($pdf) ? 2 : 0,
+        $array_result,
+        false
+    );
+
+    $return['charts'][] = $dataslice;
+
+    return $return;
+}
+
+
 /**
  * reporting_increment
  *
diff --git a/pandora_console/include/functions_reporting_html.php b/pandora_console/include/functions_reporting_html.php
index 9e6da3a07f..2b296ff632 100644
--- a/pandora_console/include/functions_reporting_html.php
+++ b/pandora_console/include/functions_reporting_html.php
@@ -3252,53 +3252,111 @@ function reporting_html_availability_graph($table, $item, $pdf=0)
 
     $tables_chart = '';
 
-    $table1 = new stdClass();
-    $table1->width = '99%';
-    $table1->data = [];
-    $table1->size = [];
-    $table1->size[0] = '10%';
-    $table1->size[1] = '80%';
-    $table1->size[2] = '5%';
-    $table1->size[3] = '5%';
-    foreach ($item['charts'] as $chart) {
-        $checks_resume = '';
-        $sla_value = '';
-        if (reporting_sla_is_not_init_from_array($chart)) {
-            $color = COL_NOTINIT;
-            $sla_value = __('Not init');
-        } else if (reporting_sla_is_ignored_from_array($chart)) {
-            $color = COL_IGNORED;
-            $sla_value = __('No data');
-        } else {
-            switch ($chart['sla_status']) {
-                case REPORT_STATUS_ERR:
-                    $color = COL_CRITICAL;
-                break;
+    if (isset($item['failed']) === true && empty($item['failed']) === false) {
+        $tables_chart .= $item['failed'];
+    } else {
+        foreach ($item['charts'] as $k_chart => $chart) {
+            $checks_resume = '';
+            $sla_value = '';
+            if (reporting_sla_is_not_init_from_array($chart)) {
+                $color = COL_NOTINIT;
+                $sla_value = __('Not init');
+            } else if (reporting_sla_is_ignored_from_array($chart)) {
+                $color = COL_IGNORED;
+                $sla_value = __('No data');
+            } else {
+                switch ($chart['sla_status']) {
+                    case REPORT_STATUS_ERR:
+                        $color = COL_CRITICAL;
+                    break;
 
-                case REPORT_STATUS_OK:
-                    $color = COL_NORMAL;
-                break;
+                    case REPORT_STATUS_OK:
+                        $color = COL_NORMAL;
+                    break;
 
-                default:
-                    $color = COL_UNKNOWN;
-                break;
+                    default:
+                        $color = COL_UNKNOWN;
+                    break;
+                }
+
+                $sla_value = sla_truncate(
+                    $chart['sla_value'],
+                    $config['graph_precision']
+                ).'%';
+                $checks_resume = '('.$chart['checks_ok'].'/'.$chart['checks_total'].')';
             }
 
-            $sla_value = sla_truncate(
-                $chart['sla_value'],
-                $config['graph_precision']
-            ).'%';
-            $checks_resume = '('.$chart['checks_ok'].'/'.$chart['checks_total'].')';
-        }
+            // Check failover availability report.
+            if ($item['data'][$k_chart]['failover'] === '') {
+                $table1 = new stdClass();
+                $table1->width = '99%';
+                $table1->data = [];
+                $table1->size = [];
+                $table1->size[0] = '10%';
+                $table1->size[1] = '80%';
+                $table1->size[2] = '5%';
+                $table1->size[3] = '5%';
+                $table1->data[0][0] = $chart['agent'].'<br />'.$chart['module'];
+                $table1->data[0][1] = $chart['chart'];
+                $table1->data[0][2] = "<span style = 'font: bold 2em Arial, Sans-serif; color: ".$color."'>".$sla_value.'</span>';
+                $table1->data[0][3] = $checks_resume;
+                $tables_chart .= html_print_table(
+                    $table1,
+                    true
+                );
+            } else {
+                if ($item['data'][$k_chart]['failover'] === 'primary'
+                    || $item['failover_type'] == REPORT_FAILOVER_TYPE_SIMPLE
+                ) {
+                    $table1 = new stdClass();
+                    $table1->width = '99%';
+                    $table1->data = [];
+                    $table1->size = [];
+                    $table1->size[0] = '10%';
+                    $table1->size[1] = '80%';
+                    $table1->size[2] = '5%';
+                    $table1->size[3] = '5%';
+                }
 
-        $table1->data[0][0] = $chart['agent'].'<br />'.$chart['module'];
-        $table1->data[0][1] = $chart['chart'];
-        $table1->data[0][2] = "<span style = 'font: bold 2em Arial, Sans-serif; color: ".$color."'>".$sla_value.'</span>';
-        $table1->data[0][3] = $checks_resume;
-        $tables_chart .= html_print_table(
-            $table1,
-            true
-        );
+                $title = '';
+                $checks_resume_text = $checks_resume;
+                $sla_value_text = "<span style = 'font: bold 2em Arial, Sans-serif; color: ".$color."'>".$sla_value.'</span>';
+                switch ($item['data'][$k_chart]['failover']) {
+                    case 'primary':
+                        $title = '<b>'.__('Primary').'</b>';
+                        $title .= '<br />'.$chart['agent'];
+                        $title .= '<br />'.$chart['module'];
+                    break;
+
+                    case (preg_match('/failover.*/', $item['data'][$k_chart]['failover']) ? true : false):
+                        $title = '<b>'.__('Failover').'</b>';
+                        $title .= '<br />'.$chart['agent'];
+                        $title .= '<br />'.$chart['module'];
+                    break;
+
+                    case 'result':
+                    default:
+                        $title = '<b>'.__('Result').'</b>';
+                        $sla_value_text = "<span style = 'font: bold 3em Arial, Sans-serif; color: ".$color."'>".$sla_value.'</span>';
+                        $checks_resume_text = '<span style = "font-size: 12pt;">';
+                        $checks_resume_text .= $checks_resume;
+                        $checks_resume_text .= '</span>';
+                    break;
+                }
+
+                $table1->data[$item['data'][$k_chart]['failover']][0] = $title;
+                $table1->data[$item['data'][$k_chart]['failover']][1] = $chart['chart'];
+                $table1->data[$item['data'][$k_chart]['failover']][2] = $sla_value_text;
+                $table1->data[$item['data'][$k_chart]['failover']][3] = $checks_resume_text;
+
+                if ($item['data'][$k_chart]['failover'] === 'result') {
+                    $tables_chart .= html_print_table(
+                        $table1,
+                        true
+                    );
+                }
+            }
+        }
     }
 
     if ($item['type'] == 'availability_graph') {
diff --git a/pandora_console/pandoradb.sql b/pandora_console/pandoradb.sql
index 6784ecb309..95d6caadfd 100644
--- a/pandora_console/pandoradb.sql
+++ b/pandora_console/pandoradb.sql
@@ -820,6 +820,7 @@ CREATE TABLE IF NOT EXISTS `tmodule_relationship` (
 	`module_a` int(10) unsigned NOT NULL,
 	`module_b` int(10) unsigned NOT NULL,
 	`disable_update` tinyint(1) unsigned NOT NULL default '0',
+	`type` ENUM('direct', 'failover') DEFAULT 'direct',
 	PRIMARY KEY (`id`),
 	FOREIGN KEY (`module_a`) REFERENCES tagente_modulo(`id_agente_modulo`)
 		ON DELETE CASCADE,
@@ -1452,6 +1453,8 @@ CREATE TABLE IF NOT EXISTS `treport_content` (
 	`agent_max_value` TINYINT(1) DEFAULT '1',
 	`agent_min_value` TINYINT(1) DEFAULT '1',
 	`current_month` TINYINT(1) DEFAULT '1',
+	`failover_mode` tinyint(1) DEFAULT '1',
+	`failover_type` tinyint(1) DEFAULT '1',
 	PRIMARY KEY(`id_rc`),
 	FOREIGN KEY (`id_report`) REFERENCES treport(`id_report`)
 		ON UPDATE CASCADE ON DELETE CASCADE
@@ -1464,6 +1467,7 @@ CREATE TABLE IF NOT EXISTS `treport_content_sla_combined` (
 	`id` INTEGER UNSIGNED NOT NULL auto_increment,
 	`id_report_content` INTEGER UNSIGNED NOT NULL,
 	`id_agent_module` int(10) unsigned NOT NULL,
+	`id_agent_module_failover` int(10) unsigned NOT NULL,
 	`sla_max` double(18,2) NOT NULL default 0,
 	`sla_min` double(18,2) NOT NULL default 0,
 	`sla_limit` double(18,2) NOT NULL default 0,
@@ -2992,6 +2996,8 @@ CREATE TABLE IF NOT EXISTS `treport_content_template` (
 	`agent_max_value` TINYINT(1) DEFAULT '1',
 	`agent_min_value` TINYINT(1) DEFAULT '1',
 	`current_month` TINYINT(1) DEFAULT '1',
+	`failover_mode` tinyint(1) DEFAULT '1',
+	`failover_type` tinyint(1) DEFAULT '1',
 	PRIMARY KEY(`id_rc`)
 ) ENGINE = InnoDB DEFAULT CHARSET=utf8;
 
diff --git a/pandora_console/pandoradb_data.sql b/pandora_console/pandoradb_data.sql
index c69e37e545..6c8811bf22 100644
--- a/pandora_console/pandoradb_data.sql
+++ b/pandora_console/pandoradb_data.sql
@@ -114,10 +114,10 @@ INSERT INTO `tconfig` (`token`, `value`) VALUES
 ('custom_report_front_logo', 'images/pandora_logo_white.jpg'),
 ('custom_report_front_header', ''),
 ('custom_report_front_footer', ''),
-('MR', 29),
+('MR', 30),
 ('identification_reminder', 1),
 ('identification_reminder_timestamp', 0),
-('current_package_enterprise', '736'),
+('current_package_enterprise', '737'),
 ('post_process_custom_values', '{"0.00000038580247":"Seconds&#x20;to&#x20;months","0.00000165343915":"Seconds&#x20;to&#x20;weeks","0.00001157407407":"Seconds&#x20;to&#x20;days","0.01666666666667":"Seconds&#x20;to&#x20;minutes","0.00000000093132":"Bytes&#x20;to&#x20;Gigabytes","0.00000095367432":"Bytes&#x20;to&#x20;Megabytes","0.0009765625":"Bytes&#x20;to&#x20;Kilobytes","0.00000001653439":"Timeticks&#x20;to&#x20;weeks","0.00000011574074":"Timeticks&#x20;to&#x20;days"}'),
 ('custom_docs_logo', 'default_docs.png'),
 ('custom_support_logo', 'default_support.png'),
diff --git a/pandora_server/lib/PandoraFMS/DiscoveryServer.pm b/pandora_server/lib/PandoraFMS/DiscoveryServer.pm
index 80fcbef8d3..51761f5e27 100644
--- a/pandora_server/lib/PandoraFMS/DiscoveryServer.pm
+++ b/pandora_server/lib/PandoraFMS/DiscoveryServer.pm
@@ -490,7 +490,7 @@ sub PandoraFMS::Recon::Base::connect_agents($$$$$) {
     }
 
     # Connect the modules if they are not already connected.
-    my $connection_id = get_db_value($self->{'dbh'}, 'SELECT id FROM tmodule_relationship WHERE (module_a = ? AND module_b = ?) OR (module_b = ? AND module_a = ?)', $module_id_1, $module_id_2, $module_id_1, $module_id_2);
+    my $connection_id = get_db_value($self->{'dbh'}, 'SELECT id FROM tmodule_relationship WHERE (module_a = ? AND module_b = ? AND `type` = "direct") OR (module_b = ? AND module_a = ? AND `type` = "direct")', $module_id_1, $module_id_2, $module_id_1, $module_id_2);
     if (! defined($connection_id)) {
         db_do($self->{'dbh'}, 'INSERT INTO tmodule_relationship (`module_a`, `module_b`, `id_rt`) VALUES(?, ?, ?)', $module_id_1, $module_id_2, $self->{'task_id'});
     }
diff --git a/pandora_server/util/recon_scripts/snmp-recon.pl b/pandora_server/util/recon_scripts/snmp-recon.pl
index 6bf2d6b709..c7009fd75a 100755
--- a/pandora_server/util/recon_scripts/snmp-recon.pl
+++ b/pandora_server/util/recon_scripts/snmp-recon.pl
@@ -1005,7 +1005,7 @@ sub connect_pandora_agents($$$$) {
 	}
 
 	# Connect the modules if they are not already connected.
-	my $connection_id = get_db_value($DBH, 'SELECT id FROM tmodule_relationship WHERE (module_a = ? AND module_b = ?) OR (module_b = ? AND module_a = ?)', $module_id_1, $module_id_2, $module_id_1, $module_id_2);
+	my $connection_id = get_db_value($DBH, 'SELECT id FROM tmodule_relationship WHERE (module_a = ? AND module_b = ? AND `type` = "direct") OR (module_b = ? AND module_a = ? AND `type` = "direct")', $module_id_1, $module_id_2, $module_id_1, $module_id_2);
 	if (! defined($connection_id)) {
 		db_do($DBH, 'INSERT INTO tmodule_relationship (`module_a`, `module_b`, `id_rt`) VALUES(?, ?, ?)', $module_id_1, $module_id_2, $TASK_ID);
 	}