diff --git a/pyinfra/examples.py b/pyinfra/examples.py
index 6c8bf9d..568b2eb 100644
--- a/pyinfra/examples.py
+++ b/pyinfra/examples.py
@@ -1,6 +1,7 @@
 import asyncio
 import sys
 
+import aiohttp
 from aiormq.exceptions import AMQPConnectionError
 from dynaconf import Dynaconf
 from fastapi import FastAPI
@@ -34,6 +35,8 @@ async def run_async_queues(manager: AsyncQueueManager, app, port, host):
         logger.info("Main task was cancelled, initiating shutdown.")
     except AMQPConnectionError as e:
         logger.warning(f"AMQPConnectionError: {e} - shutting down.")
+    except (aiohttp.ClientResponseError, aiohttp.ClientConnectorError):
+        logger.info("Tenant server did not answer - shutting down.")
     except Exception as e:
         logger.error(f"An error occurred while running async queues: {e}", exc_info=True)
         sys.exit(1)
diff --git a/pyinfra/queue/async_manager.py b/pyinfra/queue/async_manager.py
index b15b2df..2ea2dfb 100644
--- a/pyinfra/queue/async_manager.py
+++ b/pyinfra/queue/async_manager.py
@@ -276,8 +276,6 @@ class AsyncQueueManager:
         exceptions=(
             AMQPConnectionError,
             ChannelInvalidStateError,
-            aiohttp.ClientResponseError,
-            aiohttp.ClientConnectorError,
         ),
         reraise=True,
     )
@@ -285,8 +283,9 @@ class AsyncQueueManager:
         try:
             active_tenants = await self.fetch_active_tenants()
         except (aiohttp.ClientResponseError, aiohttp.ClientConnectorError):
-            logger.error("API calls to tenant server failed. No tenant queues initialized.", exc_info=True)
-            raise asyncio.CancelledError
+            logger.warning("API calls to tenant server failed. No tenant queues initialized.")
+            # reraise error to shutdown service
+            raise
         for tenant_id in active_tenants:
             await self.create_tenant_queues(tenant_id)
 
@@ -305,7 +304,8 @@ class AsyncQueueManager:
                 logger.debug("Cancelling queues...")
                 for tenant, queue in self.tenant_queues.items():
                     await queue.cancel(self.consumer_tags[tenant])
-                await self.tenant_exchange_queue.cancel(self.consumer_tags["tenant_exchange_queue"])
+                if self.tenant_exchange_queue:
+                    await self.tenant_exchange_queue.cancel(self.consumer_tags["tenant_exchange_queue"])
                 while self.message_count != 0:
                     logger.debug(f"Messages are still being processed: {self.message_count=} ")
                     await asyncio.sleep(2)