| ERROR | TNS: listener could not find available handler with matching protocol stack |
| CAUSE | None of the known and available service handlers for the given SERVICE_NAME support the clients protocol stack: transport, session, and presentation protocols. |
| ACTION | Check to make sure that the service handlers (e.g. dispatchers) for the given SERVICE_NAME are registered with the listener, are accepting connections, and that they are properly configured to support the desired protocols. |