This article was previously published under Q267971
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IMPORTANT: This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:
256986 Description of the Microsoft Windows Registry
After you install Microsoft Systems Management Server version 2.0 Service Pack 2 (SP2), periodically in the Windows NT event log on Systems Management Server site systems, you may receive the following error messages (Event 1011):
At the Site server:
The library file "<Drive>:\SMS\bin\i386\SMSPERF.dll" specified for the "SMSPerfCountersFor<Drive>:_SMS_BIN_I386_SMSPERF.DLL" service could not be opened. Performance data for this service will not be available. Status code is data DWORD 0.
At the Logon Point:
The library file "<Drive>:\SMSLOGON\I386\SMSPERF.dll" specified for the "SMSPerfCountersFor<Drive>:_SMSLOGON_I386_SMSPERF.DLL" service could not be opened. Performance data for this service will not be available.Status code is data DWORD 0.
A performance-monitoring program is attempting to load Systems Management Server-related performance counter data by using invalid registry information. When you install SP2, existing SMSPerf registry keys are not removed from the registry, although they are no longer used.
WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.
Use Registry Editor on the server that is generating the error message to delete the subkeys that start with "SMSPerfCountersfor" from the following key: