Perlib

Does anyone know how to resolve the following appearing repeatedly in the event log on a Win2k Sp4 server. The source is Perflib and eventid 1010.

Thanks,

"The Collect Procedure for the "PerfOS" service in DLL "C:\WINNT\system32\perfos.dll" generated an exception or returned an invalid status. Performance data returned by counter DLL will be not be returned in Perf Data Block. Exception or status code returned is data DWORD 0