diff --git a/thingsboard_gateway/gateway/tb_gateway_service.py b/thingsboard_gateway/gateway/tb_gateway_service.py
index b1dc3e16..3cbf76e9 100644
--- a/thingsboard_gateway/gateway/tb_gateway_service.py
+++ b/thingsboard_gateway/gateway/tb_gateway_service.py
@@ -788,13 +788,17 @@ class TBGatewayService:
                             try:
                                 if connector_config["config"][config] is not None:
                                     connector_name = connector_config["name"]
-                                    connector = self._implemented_connectors[connector_type](self,
-                                                                                             connector_config["config"][
-                                                                                                 config],
-                                                                                             connector_type)
-                                    connector.setName(connector_name)
-                                    self.available_connectors[connector.get_name()] = connector
-                                    connector.open()
+
+                                    if not self.available_connectors.get(connector_name):
+                                        connector = self._implemented_connectors[connector_type](self,
+                                                                                                 connector_config["config"][
+                                                                                                     config],
+                                                                                                 connector_type)
+                                        connector.setName(connector_name)
+                                        self.available_connectors[connector.get_name()] = connector
+                                        connector.open()
+                                    else:
+                                        break
                                 else:
                                     log.info("Config not found for %s", connector_type)
                             except Exception as e:
diff --git a/thingsboard_gateway/tb_utility/tb_gateway_remote_configurator.py b/thingsboard_gateway/tb_utility/tb_gateway_remote_configurator.py
index 9fa67fc0..2fb2cc9c 100644
--- a/thingsboard_gateway/tb_utility/tb_gateway_remote_configurator.py
+++ b/thingsboard_gateway/tb_utility/tb_gateway_remote_configurator.py
@@ -337,17 +337,26 @@ class RemoteConfigurator:
     def _handle_active_connectors_update(self, config):
         LOG.debug('Processing active connectors configuration update...')
 
+        has_changed = False
+        for_deletion = []
         for active_connector_name in self._gateway.available_connectors:
             if active_connector_name not in config:
                 try:
                     self._gateway.available_connectors[active_connector_name].close()
+                    for_deletion.append(active_connector_name)
+                    has_changed = True
                 except Exception as e:
                     LOG.exception(e)
 
-        self._delete_connectors_from_config(config)
-        with open(self._gateway.get_config_path() + 'tb_gateway.json', 'w') as file:
-            file.writelines(dumps(self._get_tb_gateway_general_config_for_save(), indent='  '))
-        self._active_connectors = config
+        if has_changed:
+            for name in for_deletion:
+                self._gateway.available_connectors.pop(name)
+
+            self._delete_connectors_from_config(config)
+            with open(self._gateway.get_config_path() + 'tb_gateway.json', 'w') as file:
+                file.writelines(dumps(self._get_tb_gateway_general_config_for_save(), indent='  '))
+            self._active_connectors = config
+
         self._gateway.tb_client.client.send_attributes({'active_connectors': config})
 
     def _handle_connector_configuration_update(self, config):
diff --git a/thingsboard_gateway/tb_utility/tb_logger.py b/thingsboard_gateway/tb_utility/tb_logger.py
index 11d8cc76..58f6f9f9 100644
--- a/thingsboard_gateway/tb_utility/tb_logger.py
+++ b/thingsboard_gateway/tb_utility/tb_logger.py
@@ -72,7 +72,11 @@ class TbLogger(logging.Logger):
 
     def _send_errors(self):
         is_tb_client = False
-        while not is_tb_client and not self._gateway.stopped:
+
+        while not self._gateway:
+            sleep(1)
+
+        while not is_tb_client:
             is_tb_client = hasattr(self._gateway, 'tb_client')
             sleep(1)