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 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:

TNS-01189: The listener could not authenticate the user


Sign In with your My Oracle Support account

Don't have a My Oracle Support account? Click to get started

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms