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 - How to fix it : DBA Scripts :: www.high-oracle.com/scripts

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.

update : 23-06-2017
ORA-12511

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

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