Wednesday, 29 February 2012

ORA-12528: TNS:listener: all appropriate instances are blocking new connections

ORA-12528: TNS:listener: all appropriate instances are blocking new connections

Cause: All instances supporting the service requested by the client reported that they were blocking the new connections. This condition may be temporary, such as at instance startup.

Action: Attempt the connection again. If error persists, then contact the administrator to check the status of the instances.

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