EM 12c OMS Upgrade Fails With 'Unable to upgrade. You are trying to upgrade an additional OMS'

(Doc ID 1570443.1)

Last updated on OCTOBER 31, 2014

Applies to:

Enterprise Manager Base Platform - Version 12.1.0.3.0 and later
Information in this document applies to any platform.

Symptoms

An upgrade from any Enterprise Manager grid Control or Cloud Control to 12.1.0.3 fails at the Extend WebLogic Server Domain Screen with the following message:

Unable to upgrade. You are trying to upgrade an additional OMS, and not the first OMS that is configured with the Administration Server. Upgrade the first OMS before you upgrade any additional OMS instances.

From <oraInventory>/logs/installActions<TimeStamp>.log:

The error presented to the install session is shown below:

 

 

Cause

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