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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 and later
Enterprise Manager for Oracle Database - Version and later
Information in this document applies to any platform.


 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



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