Device status is in unknown state in CA Performance Center

Document ID : KB000098077
Last Modified Date : 25/05/2018
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Issue:
Device status is in unknown state in CA Performance Center
Environment:
CA Performance Mnagement 3.5
Cause:
A device status will be shown as unknown in CA Performance Center if it is supplied by a data source other than the CA Data Aggregator
Resolution:
Discover the device in the CA Performance Management Data Aggregator

After a sync and a few polls the state will change and you will begin to see data
Additional Information:

Video demonstration of CA Performance Management Data Aggregator device discovery