EM 12c: Patch Plan Validation in Enterprise Manager 12c Cloud Control Fails with Error: PREREQ_MESG: There are few invalid instances monitored by Enterprise Manager and few instances not discovered

(Doc ID 2351096.1)

Last updated on JANUARY 26, 2018

Applies to:

Enterprise Manager for Oracle Database - Version 12.1.0.5.0 and later
Information in this document applies to any platform.

Symptoms

A Patch Plan is created in Enterprise Manager 12.1.0.5 Cloud Control on Grid Infrastructure (GI) and RAC Database targets.
Patch Plan Validation fails with prerequisite check errors:

 

 

Changes

 

Cause

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