Database Install/Upgrade/Opatch (MOSC)

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Exclusive Mode must be switched off prior to the upgrade.

edited Mar 14, 2017 5:00AM in Database Install/Upgrade/Opatch (MOSC) 2 commentsAnswered

The 12.2.0.1 pre-upgrade on an 11.2.0.4 db check says to turn off exclusive mode.  How do you do that?  I don't see SQLNET.ALLOWED_LOGON_VERSION_SERVER documented in 11.2 docs.

   + Switch off Exclusive Mode prior to the upgrade.

     Your database system has at least one account with only the 10G password

     version (see the PASSWORD_VERSIONS column of DBA_USERS).

     Starting with Oracle Database release 12.2, Exclusive Mode is the

     default password-based authentication mode. In Exclusive Mode, accounts

     which only have the 10G password version (see

     DBA_USERS.PASSWORD_VERSIONS) are no longer accessible. If your system

     has any account with only the 10G password version, Exclusive Mode must

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