Microsoft KB Archive/228824

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FIX: Applications Using WMI Perfmon Provider Cause Memory Leaks in WinMgmt

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Q228824

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The information in this article applies to:


 * Microsoft Windows NT Server versions 4.0, 4.0 SP4
 * Microsoft Windows NT Workstation versions 4.0, 4.0 SP4
 * Windows Management Instrumentation, version 1.0

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SYMPTOMS
Running Healthmon or other applications that use the Windows Management Instrumentation (WMI) Perfmon Provider causes memory leaks in WinMgmt.

CAUSE
This problem is due to a bug in Perfctrs.dll; it does not call into Perf Provider DLLs to clean up their memory when the performance data is closed.

RESOLUTION
This problem is corrected in Windows NT 4.0 Service Pack 5 (SP5).

STATUS
Microsoft has confirmed this to be a bug in the Microsoft products listed at the beginning of this article.

This bug was corrected in Windows NT 4.0 Service Pack 5 (SP5).

MORE INFORMATION
For additional information about this issue and the related fix, please see the following article in the Microsoft Knowledge Base:

"Q196270 SNMP Agent Leaks Memory When Queried" Additional query words: memory leak healthmon perfmon provider WMI WBEM SMS WinMgmt CIMOM

Keywords : kbWMI kbWMI100Bug

Issue type : kbbug

Technology : kbWinNTsearch kbWinNTWsearch kbWinNTW400 kbWinNTW400search kbWinNT400xsearch kbWinNTW400sp4 kbWinNTSsearch kbWinNTS400sp4 kbWinNTS400xsearch kbWinNTS400 kbWMISearch kbAudDeveloper kbWMI100