Microsoft KB Archive/325646

= Services.exe Heap Corruption May Occur If the Messenger Service Does Not Start Correctly =

Article ID: 325646

Article Last Modified on 10/27/2006

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APPLIES TO


 * Microsoft Windows NT Server 4.0 Standard Edition
 * Microsoft Windows NT 4.0 Service Pack 6a

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This article was previously published under Q325646



SYMPTOMS
When you start your Windows NT 4.0-based server, the Messenger service may not start correctly and the following entry may be recorded in the event log:

Event ID: 7023

Source: Service Control Manager

Description: The Messenger service terminated with the following error

If you try to restart the Messenger service, Services.exe causes an error with heap corruption and generates random errors messages such as:

Error 1722 - The RPC server is unavailable.



CAUSE
The heap corruption is caused by a double free that occurs when you try to restart the Messenger service.



RESOLUTION
A supported fix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Apply it only to computers that are experiencing this specific problem.

To resolve this problem, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS

NOTE: In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

The English version of this fix has the file attributes (or later) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.

  Date         Time   Size    File name   Platform 09-Jul-2002 11:36  39,184  Msgsvc.dll  I386 NOTE: Because of file dependencies, this hotfix requires Microsoft Windows NT 4.0 Service Pack 6a.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

Additional query words: dr. watson

Keywords: kbhotfixserver kbqfe kbbug kbfix kbqfe KB325646

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