diff --git a/pandora_console/godmode/agentes/agent_manager.php b/pandora_console/godmode/agentes/agent_manager.php
index d1246b298c..a9282fa1af 100644
--- a/pandora_console/godmode/agentes/agent_manager.php
+++ b/pandora_console/godmode/agentes/agent_manager.php
@@ -523,7 +523,6 @@ if (enterprise_installed()) {
     $table_adv_cascade .= $cps_html;
 }
 
-
 $table_adv_parent = '<div class="label_select"><label class="input_label">'.__('Parent').'</label>';
 $params = [];
 $params['return'] = true;
@@ -536,6 +535,11 @@ $params['value'] = db_get_value('alias', 'tagente', 'id_agente', $id_parent);
 $params['selectbox_id'] = 'cascade_protection_module';
 $params['javascript_is_function_select'] = true;
 $params['cascade_protection'] = true;
+if ($id_agente !== 0) {
+    // Deletes the agent's offspring.
+    $params['delete_offspring_agents'] = $id_agente;
+}
+
 $table_adv_parent .= '<div class="label_simple_items">';
 $table_adv_parent .= ui_print_agent_autocomplete_input($params);
 if (enterprise_installed()) {
diff --git a/pandora_console/include/ajax/agent.php b/pandora_console/include/ajax/agent.php
index 44c0402ca4..48abefdc7e 100644
--- a/pandora_console/include/ajax/agent.php
+++ b/pandora_console/include/ajax/agent.php
@@ -86,6 +86,8 @@ if ($search_agents && (!is_metaconsole() || $force_local)) {
     $addedItems = json_decode($addedItems);
     $all = (string) get_parameter('all', 'all');
 
+    $delete_offspring_agents = (int) get_parameter('delete_offspring_agents', 0);
+
     if ($addedItems != null) {
         foreach ($addedItems as $item) {
             echo $item."|\n";
@@ -111,21 +113,9 @@ if ($search_agents && (!is_metaconsole() || $force_local)) {
     }
 
     $data = [];
-    // Get agents for only the alias
+    // Get agents for only the alias.
     $filter_alias = $filter;
-    switch ($config['dbtype']) {
-        case 'mysql':
-            $filter_alias[] = '(UPPER(alias) LIKE "%'.$string.'%")';
-        break;
-
-        case 'postgresql':
-            $filter_alias[] = '(UPPER(alias) LIKE \'%'.$string.'%\')';
-        break;
-
-        case 'oracle':
-            $filter_alias[] = '(UPPER(alias) LIKE UPPER(\'%'.$string.'%\'))';
-        break;
-    }
+    $filter_alias[] = '(UPPER(alias) LIKE "%'.$string.'%")';
 
     $agents = agents_get_agents($filter_alias, ['id_agente', 'nombre', 'direccion', 'alias']);
     if ($agents !== false) {
@@ -142,19 +132,7 @@ if ($search_agents && (!is_metaconsole() || $force_local)) {
 
     // Get agents for only the name.
     $filter_agents = $filter;
-    switch ($config['dbtype']) {
-        case 'mysql':
-            $filter_agents[] = '(UPPER(alias) NOT LIKE "%'.$string.'%" AND UPPER(nombre) LIKE "%'.$string.'%")';
-        break;
-
-        case 'postgresql':
-            $filter_agents[] = '(UPPER(alias) NOT LIKE \'%'.$string.'%\' AND UPPER(nombre) LIKE \'%'.$string.'%\')';
-        break;
-
-        case 'oracle':
-            $filter_agents[] = '(UPPER(alias) NOT LIKE UPPER(\'%'.$string.'%\') AND UPPER(nombre) LIKE UPPER(\'%'.$string.'%\'))';
-        break;
-    }
+    $filter_agents[] = '(UPPER(alias) NOT LIKE "%'.$string.'%" AND UPPER(nombre) LIKE "%'.$string.'%")';
 
     $agents = agents_get_agents($filter_agents, ['id_agente', 'nombre', 'direccion', 'alias']);
     if ($agents !== false) {
@@ -169,21 +147,9 @@ if ($search_agents && (!is_metaconsole() || $force_local)) {
         }
     }
 
-    // Get agents for only the address
+    // Get agents for only the address.
     $filter_address = $filter;
-    switch ($config['dbtype']) {
-        case 'mysql':
-            $filter_address[] = '(UPPER(alias) NOT LIKE "%'.$string.'%" AND UPPER(nombre) NOT LIKE "%'.$string.'%" AND UPPER(direccion) LIKE "%'.$string.'%")';
-        break;
-
-        case 'postgresql':
-            $filter_address[] = '(UPPER(alias) NOT LIKE \'%'.$string.'%\' AND UPPER(nombre) NOT LIKE \'%'.$string.'%\' AND UPPER(direccion) LIKE \'%'.$string.'%\')';
-        break;
-
-        case 'oracle':
-            $filter_address[] = '(UPPER(alias) NOT LIKE UPPER(\'%'.$string.'%\') AND UPPER(nombre) NOT LIKE UPPER(\'%'.$string.'%\') AND UPPER(direccion) LIKE UPPER(\'%'.$string.'%\'))';
-        break;
-    }
+    $filter_address[] = '(UPPER(alias) NOT LIKE "%'.$string.'%" AND UPPER(nombre) NOT LIKE "%'.$string.'%" AND UPPER(direccion) LIKE "%'.$string.'%")';
 
     $agents = agents_get_agents($filter_address, ['id_agente', 'nombre', 'direccion', 'alias']);
     if ($agents !== false) {
@@ -198,21 +164,9 @@ if ($search_agents && (!is_metaconsole() || $force_local)) {
         }
     }
 
-    // Get agents for only the description
+    // Get agents for only the description.
     $filter_description = $filter;
-    switch ($config['dbtype']) {
-        case 'mysql':
-            $filter_description[] = '(UPPER(alias) NOT LIKE "%'.$string.'%" AND UPPER(nombre) NOT LIKE "%'.$string.'%" AND UPPER(direccion) NOT LIKE "%'.$string.'%" AND UPPER(comentarios) LIKE "%'.$string.'%")';
-        break;
-
-        case 'postgresql':
-            $filter_description[] = '(UPPER(alias) NOT LIKE \'%'.$string.'%\' AND UPPER(nombre) NOT LIKE \'%'.$string.'%\' AND UPPER(direccion) NOT LIKE \'%'.$string.'%\' AND UPPER(comentarios) LIKE \'%'.$string.'%\')';
-        break;
-
-        case 'oracle':
-            $filter_description[] = '(UPPER(alias) NOT LIKE UPPER(\'%'.$string.'%\') AND UPPER(nombre) NOT LIKE UPPER(\'%'.$string.'%\') AND UPPER(direccion) NOT LIKE UPPER(\'%'.$string.'%\') AND UPPER(comentarios) LIKE UPPER(\'%'.$string.'%\'))';
-        break;
-    }
+    $filter_description[] = '(UPPER(alias) NOT LIKE "%'.$string.'%" AND UPPER(nombre) NOT LIKE "%'.$string.'%" AND UPPER(direccion) NOT LIKE "%'.$string.'%" AND UPPER(comentarios) LIKE "%'.$string.'%")';
 
     $agents = agents_get_agents($filter_description, ['id_agente', 'nombre', 'direccion', 'alias']);
     if ($agents !== false) {
@@ -227,6 +181,18 @@ if ($search_agents && (!is_metaconsole() || $force_local)) {
         }
     }
 
+    if (empty($data) === false && $delete_offspring_agents !== 0) {
+        // Gets offspring and deletes them, including himself.
+        $agents_offspring = agents_get_offspring($delete_offspring_agents);
+        if (empty($agents_offspring) === false) {
+            foreach ($data as $key => $value) {
+                if (isset($agents_offspring[$value['id']]) === true) {
+                    unset($data[$key]);
+                }
+            }
+        }
+    }
+
     echo json_encode($data);
     return;
 } else if ($search_agents && is_metaconsole()) {
diff --git a/pandora_console/include/functions_agents.php b/pandora_console/include/functions_agents.php
index 73ef6e5e36..d8da8f39fa 100644
--- a/pandora_console/include/functions_agents.php
+++ b/pandora_console/include/functions_agents.php
@@ -4268,3 +4268,30 @@ function get_status_data_agent_modules($id_group, $agents=[], $modules=[])
 
     return $res;
 }
+
+
+function agents_get_offspring(int $id_agent)
+{
+    $return = [];
+    // Get parent.
+    $agents = db_get_all_rows_filter(
+        'tagente',
+        [
+            'id_parent' => $id_agent,
+            'disabled'  => 0,
+        ],
+        'id_agente'
+    );
+
+    if ($agents !== false) {
+        foreach ($agents as $agent) {
+            if ((int) $agent['id_agente'] !== 0) {
+                $return += agents_get_offspring((int) $agent['id_agente']);
+            }
+        }
+    }
+
+    $return += [$id_agent => 0];
+
+    return $return;
+}
diff --git a/pandora_console/include/functions_api.php b/pandora_console/include/functions_api.php
index b5aac630c1..a265c10c84 100644
--- a/pandora_console/include/functions_api.php
+++ b/pandora_console/include/functions_api.php
@@ -1469,22 +1469,22 @@ function api_set_update_agent($id_agent, $thrash2, $other, $thrash3)
     // Check parameters.
     if ($idGroup == 0) {
         $agent_update_error = __('The agent could not be modified. For security reasons, use a group other than 0.');
-        returnError('generic error', $agent_update_error);
+        returnError($agent_update_error);
         return;
     }
 
     $server_name = db_get_value_sql('SELECT name FROM tserver WHERE BINARY name LIKE "'.$nameServer.'"');
     if ($alias == '' && $alias_as_name === 0) {
-        returnError('alias_not_specified', 'No agent alias specified');
+        returnError('No agent alias specified');
         return;
     } else if (db_get_value_sql('SELECT id_grupo FROM tgrupo WHERE id_grupo = '.$idGroup) === false) {
-        returnError('id_grupo_not_exist', 'The group doesn`t exist.');
+        returnError('The group doesn`t exist.');
         return;
     } else if (db_get_value_sql('SELECT id_os FROM tconfig_os WHERE id_os = '.$idOS) === false) {
-        returnError('id_os_not_exist', 'The OS doesn`t exist.');
+        returnError('The OS doesn`t exist.');
         return;
     } else if ($server_name === false) {
-        returnError('server_not_exist', 'The '.get_product_name().' Server doesn`t exist.');
+        returnError('The '.get_product_name().' Server doesn`t exist.');
         return;
     }
 
@@ -1525,6 +1525,14 @@ function api_set_update_agent($id_agent, $thrash2, $other, $thrash3)
             returnError('The user cannot access to parent agent.');
             return;
         }
+
+        $agents_offspring = agents_get_offspring($id_agent);
+        if (empty($agents_offspring) === false) {
+            if (isset($agents_offspring[$idParent]) === true) {
+                returnError('The parent cannot be a offspring');
+                return;
+            }
+        }
     }
 
     $values_old = db_get_row_filter(
@@ -1751,6 +1759,14 @@ function api_set_update_agent_field($id_agent, $use_agent_alias, $params)
                     returnError('The user cannot access to parent agent.');
                     return;
                 }
+
+                $agents_offspring = agents_get_offspring($id_agent);
+                if (empty($agents_offspring) === false) {
+                    if (isset($agents_offspring[$data]) === true) {
+                        returnError('The parent cannot be a offspring');
+                        return;
+                    }
+                }
             break;
 
             default:
diff --git a/pandora_console/include/functions_ui.php b/pandora_console/include/functions_ui.php
index 19f1197493..b883b1f597 100755
--- a/pandora_console/include/functions_ui.php
+++ b/pandora_console/include/functions_ui.php
@@ -5448,6 +5448,10 @@ function ui_print_agent_autocomplete_input($parameters)
         'q'             => 'term',
     ];
 
+    if (isset($parameters['delete_offspring_agents']) === true) {
+        $javascript_change_ajax_params_original['delete_offspring_agents'] = $parameters['delete_offspring_agents'];
+    }
+
     if (!$metaconsole_enabled) {
         $javascript_change_ajax_params_original['force_local'] = 1;
     }