TNS-01189: The Listener Could Not Authenticate The User (Doc ID 1528730.1)

Last updated on JUNE 21, 2017

Applies to:

Oracle Net Services - Version 10.2.0.5 to 12.2.1.2.0 [Release 10.2 to 12.2]
Oracle Database - Enterprise Edition - Version 11.2.0.4 to 11.2.0.4 [Release 11.2]
Information in this document applies to any platform.

Symptoms

10g and newer listeners can throw the TNS-01189 error in the listener log:


ERROR
-----------------------
TNS-01189: The listener could not authenticate the user

Cause

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