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EM13c : Known Issues specific to Listener Targets status (Doc ID 2824434.1)

Last updated on JANUARY 14, 2023

Applies to:

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


To understand the usual known cases of Listener targets not being discovered as expected.


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In this Document
 Known Issues
 1. Editing the Listener Properties throws Error - ORA-20501: Duplicate target Properties of the target
 2. ASM Listener Target Shows "Down" Status
 3. Listener Target Shows Down - Response Metric shows: TNS-01189: The listener could not authenticate the user
 4. False Down Alert raised "The listener is down: TIMEDOUT to run lsnrctl"

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