TNS-01189: The Listener Could Not Authenticate The User

(Doc ID 1528730.1)

Last updated on JANUARY 26, 2018

Applies to:

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


10g and newer listeners can throw the TNS-01189 error in the listener log.
This error can be sporadic or at even intervals.

TNS-01189: The listener could not authenticate the user


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