Database Install/Upgrade/Opatch (MOSC)

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Unable to sign into active database AS SYSDBA after applying Patch 30502041

edited Feb 12, 2020 9:28AM in Database Install/Upgrade/Opatch (MOSC) 15 commentsAnswered

On our 12.1.0.2 database, Non RAC, stand alone server:

After installing the Jan 2020 patch 30502041 for OJVM, and executing datapatch, attempting to sign into the database using SQLPLUS / AS SYSDBA returns the error ORA-12545: Connect failed because target host or object does not exist.

I am able to connect in this way if the database is idle (i.e. when starting in Upgrade mode).

if I attempt CONNECT / AS SYSDBA from within SQLPLUS the following error appears: ORA-01017: invalid username/password; logon denied

I am very new to DBA functions so please keep language in any answers simple.

Thank you

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