When performance collection rules are disabled in Microsoft System Center Operations Manager (OpsMgr 2007 or OpsMgr 2012), performance views may still show counters even after all the data is groomed out. This clutters PerformanceDataAllView, and in extreme cases can make the view difficult to use because of the number of counters that are selected.
This issue is by design as the Operations Manager grooming processes does not groom the PerformanceSource table. For a SQL script that will groom this table, please see the following:
3002249 - Performance views still show counters when performance collection rules are disabled in System Center Operations Manager ( http://support.microsoft.com/kb/3002249 )
J.C. Hornbeck | Solution Asset PM | Microsoft GBS Management and Security Division
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