TNS-01189: The Listener Could Not Authenticate The User
(Doc ID 1528730.1)
Last updated on JANUARY 16, 2025
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]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Information in this document applies to any platform.
Symptoms
10g and newer listeners can throw the TNS-01189 error in the listener log.
This error can be sporadic or at even intervals.
ERROR
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TNS-01189: The listener could not authenticate the user
Changes
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |