[suvv]

Hello Mic,

The TNS-12533 error usually occurs when the protocol specific parameters in

the ADDRESS section of the designated connect descriptor in the TNSNAMES.ORA

are incorrect.Verify if the entries are correct with a simple connect string

SQLPLUS SCOTT/TIGER@SERVICENAME

If there is no issue for tns entries ,The next thing in a RAC configuration i will verify is the LOCAL_LISTENER and REMOTE_LISTENER settings.I have seen issues where this error is reported for incorrect LOCAL_LISTENER and REMOTE_LISTENER settings.

Thanks

Suvv

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