Microsoft KB Archive/943666

= In Virtual Server 2005 R2, virtual machines that are running Windows Vista guest operating systems display a &quot;Stop 0x000000D1&quot; error message and then restart unexpectedly =

Article ID: 943666

Article Last Modified on 11/8/2007

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APPLIES TO

 Microsoft Virtual Server 2005 R2 Service Pack 1, when used with:  Microsoft Virtual Server 2005 R2 Enterprise Edition

 Microsoft Virtual Server 2005 R2 Standard Edition 

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SYMPTOMS
Consider the following scenario:
 * Some virtual machines in a Microsoft Virtual Server 2005 R2 environment are running Windows Vista guest operating systems.
 * The latest version of Virtual Machine Additions is installed on these virtual machines.
 * You restart multiple Windows Vista guest operating systems at the same time.

In this scenario, the Windows Vista guest operating systems restart unexpectedly after the following Stop error message is displayed:

Stop 0x000000D1

DRIVER_IRQL_NOT_LESS_OR_EQUAL

Notes
 * The parameters in this Stop error message vary, depending on the computer's configuration.
 * Not all &quot;Stop 0x000000D1&quot; errors are caused by this problem.



RESOLUTION
After you apply this hotfix, Virtual Machine Additions is upgraded from build 13.813 to build 13.814.

Hotfix information
A supported hotfix is now available from Microsoft. However, it is intended to correct only the problem that this article describes. Apply it only to systems that are experiencing this specific problem.

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

http://support.microsoft.com/contactus/?ws=support

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.

Prerequisites
To apply this hotfix, you must be running Virtual Server 2005 R2 with Service Pack 1.

Restart requirement
You do not have to restart the computer after you apply this hotfix.

Hotfix replacement information
This hotfix does not replace any other hotfixes.

Post-installation instructions
After you apply this hotfix, you must remove Virtual Machine Additions and then reinstall Virtual Machine Additions for each virtual machine that has this problem. Then, restart the guest operating systems on which you reinstalled Virtual Machine Additions.

File information
The English version of this hotfix has the file attributes (or later file attributes) 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 item in Control Panel.

Guest operating system


WORKAROUND
To work around this problem, remove Virtual Machine Additions on the virtual machines.

Note Some performance issues, display issues, or mouse issues may occur if Virtual Machine Additions is removed or disabled.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.

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MORE INFORMATION
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

Additional query words: Vista guest OS VM additions bugcheck 0xD1

Keywords: kbexpertiseinter kbbug kbfix kbhotfixserver kbqfe kbpubtypekc KB943666

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