If you are experiencing any of the issues listed below, this new KB article may help you out.

  • Newly installed agents display as "Not Monitored" in the Operations Console, yet existing agents are monitored.
  • One or more monitors on one or more agents may not change state when healthy or unhealthy conditions are met.
  • Agents show as being in maintenance mode in the Operations Console, yet the workflows are not actually unloaded by the System Center Management service on the monitored computer.
  • Configuration changes, new rules or monitors, or overrides are not applied to some agents.
  • The Operations Manager event log on one or more agents will display event 21026, indicating that the current configuration is still valid, even though the configuration for these agents should have been updated.
  • The file "OpsMgrConnector.Config.xml" in the management group folder under "Health Service State"\"Connector Configuration Cache" does not update for long periods of time relative to the rest of the management group on one or more agents.

 

View the article here, http://support.microsoft.com/kb/2635742/.

David