EM 13C: TNS Alert Generated During Blackout Window Sending Notification Email After Blackout Ends
(Doc ID 2997072.1)
Last updated on JANUARY 09, 2024
Applies to:
Enterprise Manager Base Platform - Version 13.3.0.0.0 and laterEnterprise Manager for Oracle Database - Version 13.3.0.0.0 and later
Information in this document applies to any platform.
Symptoms
Listener Target kept under the blackout for Network scan activity. Stateless alerts from "TNS Errors" metrics group for listener target happened during target blackout are raised :
TNS-01189: The listener could not authenticate the user
Cause
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In this Document
Symptoms |
Cause |
Solution |
References |