Tag Archives: ORA-12511

ORA-12511: TNS:service handler found but it is not accepting connections

oracle

ORA-12511: TNS:service handler found but it is not accepting connections
Cause: The dispatchers notified the listener that they temporarily do not accept new connections.
Action: Attempt the connection again. If error persists, contact the DBA to check the state of the dispatchers and/or ask him to increase the number of dispatchers.

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