EM 12c, EM 13c: Listener Target Status is Down in Enterprise Manager 12c or 13c Cloud Control with Message: TNS-01189: The listener could not authenticate the user (Doc ID 2009573.1)

Last updated on JANUARY 03, 2017

Applies to:

Enterprise Manager for Oracle Database - Version 12.1.0.1.0 and later
Information in this document applies to any platform.

Symptoms

The listener target shows as 'down' in Enterprise Manager 12c or 13c Cloud Control Console, although the listener is up and running. The message associated with the 'down' status is TNS-01189: The listener could not authenticate the user. For example:

emctl get metric agent <listenerName>,oracle_listener,Response

gives:

 

Changes

 

Cause

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