diff --git a/src/dstack/_internal/server/services/gateways/__init__.py b/src/dstack/_internal/server/services/gateways/__init__.py
index 569d3a3d2..95aa42264 100644
--- a/src/dstack/_internal/server/services/gateways/__init__.py
+++ b/src/dstack/_internal/server/services/gateways/__init__.py
@@ -365,6 +365,7 @@ async def register_service(session: AsyncSession, run_model: RunModel):
     except SSHError:
         raise ServerClientError("Gateway tunnel is not working")
     except httpx.RequestError as e:
+        logger.debug("Gateway request failed", exc_info=True)
         raise GatewayError(f"Gateway is not working: {e!r}")
 
 
@@ -382,6 +383,7 @@ async def register_replica(
             )
         logger.info("%s: replica is registered for service %s", fmt(job_model), run.id.hex)
     except (httpx.RequestError, SSHError) as e:
+        logger.debug("Gateway request failed", exc_info=True)
         raise GatewayError(repr(e))
 
 
@@ -400,6 +402,7 @@ async def unregister_service(session: AsyncSession, run_model: RunModel):
         # ignore if service is not registered
         logger.warning("%s: unregistering service: %s", fmt(run_model), e)
     except (httpx.RequestError, SSHError) as e:
+        logger.debug("Gateway request failed", exc_info=True)
         raise GatewayError(repr(e))
 
 
@@ -431,6 +434,7 @@ async def unregister_replica(session: AsyncSession, job_model: JobModel):
         # ignore if replica is not registered
         logger.warning("%s: unregistering replica from service: %s", fmt(job_model), e)
     except (httpx.RequestError, SSHError) as e:
+        logger.debug("Gateway request failed", exc_info=True)
         raise GatewayError(repr(e))