diff --git a/tests/bootstrap.php b/tests/bootstrap.php
index 81547d3bb..7ba3cf716 100644
--- a/tests/bootstrap.php
+++ b/tests/bootstrap.php
@@ -63,6 +63,9 @@ $_SESSION['__SYSTEM_UTC_TIME_ZONE__'] = (int) (env('MAIN_SYSTEM_UTC_TIME_ZONE',
 ini_set('date.timezone', $_SESSION['__SYSTEM_UTC_TIME_ZONE__'] ? 'UTC' : env('MAIN_TIME_ZONE', 'America/New_York'));
 define('TIME_ZONE', ini_get('date.timezone'));
 
+// Only test async routing
+define('DISABLE_TASK_MANAGER_ROUTING_ASYNC', false);
+
 //This path includes PM tables model classes
 set_include_path(get_include_path() . PATH_SEPARATOR . PATH_DB . SYS_SYS . "/");
 
diff --git a/workflow/engine/methods/cases/cases_Derivate.php b/workflow/engine/methods/cases/cases_Derivate.php
index bae587c50..c8d97bb5c 100644
--- a/workflow/engine/methods/cases/cases_Derivate.php
+++ b/workflow/engine/methods/cases/cases_Derivate.php
@@ -106,11 +106,17 @@ try {
         $cases = new Cases();
         $cases->routeCase($processUid, $application, $postForm, $sStatus, $flagGmail, $tasUid, $index, $userLogged);
     };
-    JobsManager::getSingleton()->dispatch(RouteCase::class, $closure);
+    if (!DISABLE_TASK_MANAGER_ROUTING_ASYNC) {
+        // Routing the case asynchronically
+        JobsManager::getSingleton()->dispatch(RouteCase::class, $closure);
 
-    //We close the related threads.
-    $cases = new Cases();
-    $cases->CloseCurrentDelegation($application, $index);
+        // We close the related threads.
+        $cases = new Cases();
+        $cases->CloseCurrentDelegation($application, $index);
+    } else {
+        // Routing the case synchronically
+        $closure();
+    }
 
     $debuggerAvailable = true;
     $casesRedirector = 'casesListExtJsRedirector';
@@ -126,13 +132,42 @@ try {
         }
     }
 
-    $loc = $nextStep['PAGE'];
-
-    //Triggers After
+    // Triggers After
     $isIE = Bootstrap::isIE();
-    unset($_SESSION['TRIGGER_DEBUG']);
 
-    //close tab only if IE11 add a validation was added if the current skin is uxs 
+    // If the routing of cases asynchronically is disabled, use the old behaviour for debug option
+    if (DISABLE_TASK_MANAGER_ROUTING_ASYNC) {
+        // Determine the landing page
+        if (isset($_SESSION['PMDEBUGGER']) && $_SESSION['PMDEBUGGER'] && $debuggerAvailable) {
+            $_SESSION['TRIGGER_DEBUG']['BREAKPAGE'] = $nextStep['PAGE'];
+            $loc = 'cases_Step?' . 'breakpoint=triggerdebug';
+        } else {
+            $loc = $nextStep['PAGE'];
+        }
+        // If debug option is enabled for the process, load the debug template
+        if (isset($_SESSION['TRIGGER_DEBUG']['ISSET']) && !$isIE) {
+            if ($_SESSION['TRIGGER_DEBUG']['ISSET'] == 1) {
+                $templatePower = new TemplatePower(PATH_TPL . 'cases/cases_Step.html');
+                $templatePower->prepare();
+                $G_PUBLISH = new Publisher();
+                $G_PUBLISH->AddContent('template', '', '', '', $templatePower);
+                $_POST['NextStep'] = $loc;
+                $G_PUBLISH->AddContent('view', 'cases/showDebugFrameLoader');
+                $G_PUBLISH->AddContent('view', 'cases/showDebugFrameBreaker');
+                $_SESSION['TRIGGER_DEBUG']['ISSET'] == 0;
+                G::RenderPage('publish', 'blank');
+                exit();
+            } else {
+                unset($_SESSION['TRIGGER_DEBUG']);
+            }
+        }
+    } else {
+        // If the case is routed synchronically, always redirect to the next step
+        $loc = $nextStep['PAGE'];
+        unset($_SESSION['TRIGGER_DEBUG']);
+    }
+
+    // Close tab only if IE11 add a validation was added if the current skin is uxs
     if ($isIE && !isset($_SESSION['__OUTLOOK_CONNECTOR__']) && SYS_SKIN !== "uxs") {
         $script = "
             <script type='text/javascript'>
diff --git a/workflow/engine/methods/services/ActionsByEmailDataFormPost.php b/workflow/engine/methods/services/ActionsByEmailDataFormPost.php
index 71dfe8492..8b195fa1e 100644
--- a/workflow/engine/methods/services/ActionsByEmailDataFormPost.php
+++ b/workflow/engine/methods/services/ActionsByEmailDataFormPost.php
@@ -61,7 +61,13 @@ if ($featureEnable) {
             $cases = new Cases();
             $cases->routeCaseActionByEmail($appUid, $delIndex, $aber, $dynUid, $forms, $remoteAddr, $files);
         };
-        JobsManager::getSingleton()->dispatch(ActionByEmail::class, $closure);
+        if (!DISABLE_TASK_MANAGER_ROUTING_ASYNC) {
+            // Routing the case asynchronically
+            JobsManager::getSingleton()->dispatch(ActionByEmail::class, $closure);
+        } else {
+            // Routing the case synchronically
+            $closure();
+        }
 
         $message = [];
         $message['MESSAGE'] = '<strong>' . G::loadTranslation('ID_ABE_INFORMATION_SUBMITTED') . '</strong>';
diff --git a/workflow/engine/src/ProcessMaker/Core/System.php b/workflow/engine/src/ProcessMaker/Core/System.php
index 24cd7b6d7..617ccac45 100644
--- a/workflow/engine/src/ProcessMaker/Core/System.php
+++ b/workflow/engine/src/ProcessMaker/Core/System.php
@@ -82,7 +82,8 @@ class System
         'report_table_batch_regeneration' => 1000,
         'report_table_floating_number' => 4,
         'report_table_double_number' => 4,
-        'ext_ajax_timeout' => 600000
+        'ext_ajax_timeout' => 600000,
+        'disable_task_manager_routing_async' => '0'
     ];
 
     /**
@@ -1239,6 +1240,11 @@ class System
             $config['highlight_home_folder_scope'] = self::$defaultConfig['highlight_home_folder_scope'];
         }
 
+        $value = $config['disable_task_manager_routing_async'];
+        if (!is_numeric($value) || !in_array($value, [0, 1])) {
+            $config['disable_task_manager_routing_async'] = self::$defaultConfig['disable_task_manager_routing_async'];
+        }
+
         return $config;
     }
 
diff --git a/workflow/public_html/sysGeneric.php b/workflow/public_html/sysGeneric.php
index a2b4c4521..ee8371fbc 100644
--- a/workflow/public_html/sysGeneric.php
+++ b/workflow/public_html/sysGeneric.php
@@ -342,6 +342,7 @@ define('HIGHLIGHT_HOME_FOLDER_ENABLE', $config['highlight_home_folder_enable'] =
 define('HIGHLIGHT_HOME_FOLDER_REFRESH_TIME', $config['highlight_home_folder_refresh_time']);
 define('HIGHLIGHT_HOME_FOLDER_SCOPE', $config['highlight_home_folder_scope']);
 /*----------------------------------********---------------------------------*/
+define('DISABLE_TASK_MANAGER_ROUTING_ASYNC', $config['disable_task_manager_routing_async'] === "1");
 
 // IIS Compatibility, SERVER_ADDR doesn't exist on that env, so we need to define it.
 $_SERVER['SERVER_ADDR'] = isset($_SERVER['SERVER_ADDR']) ? $_SERVER['SERVER_ADDR'] : $_SERVER['SERVER_NAME'];