After Discovering a cluster database, the status remains : Metric Collection Error

(Doc ID 1593393.1)

Last updated on SEPTEMBER 01, 2017

Applies to:

Enterprise Manager for Oracle Database - Version 12.1.0.3.0 and later
Information in this document applies to any platform.

Symptoms

After discovering a cluster database target, the status remains as Metric Collection Error with the following message:

Dynamic Category property error,Get dynamic property error,Computation of a critical dynamic property failed.
even when trying to reconfigure the target
  "Target {rac_database.ORCL} is broken: Dynamic Category property error,Get dynamic property error - Can't resolve a non-optional query descriptor property [MachineName] (MachineName)"

Cause

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