diff --git a/kuksa-client/kuksa_client/grpc/__init__.py b/kuksa-client/kuksa_client/grpc/__init__.py
index d6cb5c0..e9822bc 100644
--- a/kuksa-client/kuksa_client/grpc/__init__.py
+++ b/kuksa-client/kuksa_client/grpc/__init__.py
@@ -1268,7 +1268,10 @@ def set(
                 try:
                     resp = self.client_stub_v2.PublishValueRequest(req, **rpc_kwargs)
                 except RpcError as exc:
-                    raise VSSClientError.from_grpc_error(exc) from exc
+                    if exc.code() == grpc.StatusCode.UNIMPLEMENTED:
+                        self.set(updates)
+                    else:
+                        raise VSSClientError.from_grpc_error(exc) from exc
 
     @check_connected
     def subscribe(
@@ -1304,7 +1307,10 @@ def subscribe(
                         for path, dp in resp.entries.items()
                     ]
             except RpcError as exc:
-                raise VSSClientError.from_grpc_error(exc) from exc
+                if exc.code() == grpc.StatusCode.UNIMPLEMENTED:
+                    self.subscribe(entries)
+                else:
+                    raise VSSClientError.from_grpc_error(exc) from exc
 
     @check_connected
     def authorize(self, token: str, **rpc_kwargs) -> str:
diff --git a/kuksa-client/kuksa_client/grpc/aio.py b/kuksa-client/kuksa_client/grpc/aio.py
index b26f10f..0a17af3 100644
--- a/kuksa-client/kuksa_client/grpc/aio.py
+++ b/kuksa-client/kuksa_client/grpc/aio.py
@@ -427,7 +427,10 @@ async def set(
                 try:
                     resp = await self.client_stub_v2.PublishValue(req, **rpc_kwargs)
                 except AioRpcError as exc:
-                    raise VSSClientError.from_grpc_error(exc) from exc
+                    if exc.code() == grpc.StatusCode.UNIMPLEMENTED:
+                        await self.set(updates)
+                    else:
+                        raise VSSClientError.from_grpc_error(exc) from exc
 
     @check_connected_async_iter
     async def subscribe(
@@ -466,7 +469,10 @@ async def subscribe(
                         for path, dp in resp.entries.items()
                     ]
             except AioRpcError as exc:
-                raise VSSClientError.from_grpc_error(exc) from exc
+                if exc.code() == grpc.StatusCode.UNIMPLEMENTED:
+                    await self.subscribe(entries)
+                else:
+                    raise VSSClientError.from_grpc_error(exc) from exc
 
     @check_connected_async
     async def authorize(self, token: str, **rpc_kwargs) -> str: