diff --git a/linien_gui/ui/device_manager.py b/linien_gui/ui/device_manager.py
index e584825..16994ad 100644
--- a/linien_gui/ui/device_manager.py
+++ b/linien_gui/ui/device_manager.py
@@ -109,19 +109,13 @@ class DeviceManager(QtWidgets.QMainWindow):
         ) -> None:
             loading_dialog.hide()
             if not aborted:
-                display_question = (
+                # Fast Servo does not support OTA Update
+                display_error = (
                     f"Server version ({remote_version}) does not match the client "
-                    f"({client_version}) version. Should the corresponding server "
-                    f"version be installed?"
+                    f"({client_version}) version."
+                    f"Please install a matching server and client version"
                 )
-                if question_dialog(
-                    self, display_question, "Install corresponding version?"
-                ):
-                    show_installation_progress_widget(
-                        parent=self,
-                        device=device,
-                        callback=lambda: self.connect_to_device(device),
-                    )
+                error_dialog(self, display_error)
 
         def handle_authentication_exception():
             loading_dialog.hide()
diff --git a/linien_gui/ui/main_window.py b/linien_gui/ui/main_window.py
index dad465e..8d6a0b4 100644
--- a/linien_gui/ui/main_window.py
+++ b/linien_gui/ui/main_window.py
@@ -202,7 +202,8 @@ class MainWindow(QtWidgets.QMainWindow):
         super().closeEvent(*args, **kwargs)
 
     def show_new_version_available(self):
-        self.newVersionAvailableLabel.show()
+        # Fast Servo does not support OTA Update
+        pass
 
     def handle_key_press(self, key):
         logger.debug(f"key pressed {key}")