Microsoft KB Archive/255271

= Drwtsn32.exe Creates Corrupted User Mode Crash Dump Files =

PSS ID Number: 255271

Article Last Modified on 5/14/2003

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The information in this article applies to:


 * Microsoft Windows NT Server 4.0 Terminal Server Edition
 * Microsoft Windows NT Server 4.0
 * Microsoft Windows NT Server 4.0 SP1
 * Microsoft Windows NT Server 4.0 SP2
 * Microsoft Windows NT Server 4.0 SP3
 * Microsoft Windows NT Server 4.0 SP4
 * Microsoft Windows NT Server 4.0 SP5
 * Microsoft Windows NT Server 4.0 SP6
 * Microsoft Windows NT Server 4.0 SP6a
 * Microsoft Windows NT Server, Enterprise Edition 4.0
 * Microsoft Windows NT Server, Enterprise Edition 4.0 SP4
 * Microsoft Windows NT Server, Enterprise Edition 4.0 SP5
 * Microsoft Windows NT Server, Enterprise Edition 4.0 SP6
 * Microsoft Windows NT Server, Enterprise Edition 4.0 SP6a
 * Microsoft Windows NT Workstation 4.0
 * Microsoft Windows NT Workstation 4.0 SP1
 * Microsoft Windows NT Workstation 4.0 SP2
 * Microsoft Windows NT Workstation 4.0 SP3
 * Microsoft Windows NT Workstation 4.0 SP4
 * Microsoft Windows NT Workstation 4.0 SP5
 * Microsoft Windows NT Workstation 4.0 SP6
 * Microsoft Windows NT Workstation 4.0 SP6a

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This article was previously published under Q255271



SYMPTOMS
When you run the Dumpchk.exe tool on the User.dmp crash dump file, you may see the following error message in the dumpchk output:

ERROR: Module list is corrupt.

This dump file is bad.



CAUSE
This issue can occur if the Drwtsn32.exe tool is performing an incorrect test when it saves pages of memory to the dump file.



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. This fix may receive additional testing. Therefore, if you are not severely affected by this problem, Microsoft recommends that you wait for the next Windows NT 4.0 service pack that contains this fix.

To resolve this problem immediately, 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 typical support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

The English-language version of this fix should have the following file attributes or later:

  Date       Time    Version  Size     File name     Platform ---  02/25/00   19:19   7043     90,384   Drwtsn32.exe  Alpha 02/25/00  19:20   7043     66,832   Drwtsn32.exe  x86

For additional information about Dumpchk.exe, click the article number below to view the article in the Microsoft Knowledge Base:

156280 How to Use Dumpchk.exe to Check a Memory Dump File



STATUS
Microsoft has confirmed that this is a problem in Windows NT 4.0.

Keywords: kbbug kberrmsg kbfix kbQFE KB255271

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