EM 12c: Installing October 2016 or later Bundle Patches with Enterprise Manager 126.96.36.199 Cloud Control Agent Deployment or Upgrade Succeeds, but no Targets are Discovered
(Doc ID 2285199.1)
Last updated on MARCH 12, 2021
Applies to:Enterprise Manager Base Platform - Version 188.8.131.52.0 to 184.108.40.206.0 [Release 12.1]
Information in this document applies to any platform.
Deploying an Enterprise Manager (EM) 220.127.116.11 Cloud Control Agent with the October/2016 (<Patch 24677163>) or later EM Agent Bundle Patch (18.104.22.168.161031) appears to succeed.
However, the patched EM 12.1.05 Agent does not appear in the target list in EM 22.214.171.124 Cloud Control, nor do the targets which it is expected to monitor.
An EM 126.96.36.199 Agent with the same October 24677163 (188.8.131.52.161031) or later bundle patch communicates successfully where there is no proxy between OMS and Agent.
Deinstalling the 184.108.40.206 agent and reinstalling without the patch succeeds in agent and monitored target discovery.
Upgrading a 220.127.116.11 Agent to 18.104.22.168 with the same patch (<Patch 24677163>) included also fails, with the agent never coming out of the upgrade blackout.
Rolling back the patch allows the blackout to be stopped and agent and monitored target discovery succeeds.
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