Microsoft KB Archive/152837

= ControlService Results in Services.exe Memory Leak =

Article ID: 152837

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows NT Workstation 3.51
 * Microsoft Windows NT Server 3.51

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This article was previously published under Q152837





SYMPTOMS
Applications that repeatedly use the Win 32 call ControlService with the SERVICE_CONTROL_INTERROGATE flag may result in a memory leak in services.exe.

To identify the leak, monitor memory allocations of Services.exe using Pmon.exe, or monitor private bytes of Services.exe using performance monitor. The allocated bytes will increase abnormally over time.



CAUSE
A pointer was allocated to hold the service image name that was not freed after querying the status for a driver.



STATUS
Microsoft has confirmed this to be a problem in Windows NT version 3.51. This problem was corrected in the latest Windows NT 3.51 U.S. Service Pack. For information on obtaining the Service Pack, query on the following word in the Microsoft Knowledge Base (without the spaces):

S E R V P A C K

Additional query words: prodnt 3.51

Keywords: KB152837

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