Microsoft KB Archive/930548

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Article ID: 930548

Article Last Modified on 11/15/2007


  • Microsoft Virtual Server 2005 R2 Standard Edition
  • Microsoft Virtual Server 2005 R2 Enterprise Edition


If a virtual machine crashes in Microsoft Virtual Server 2005 R2, the guest operating system does not write a crash dump file.

This problem occurs if the following conditions are true:

  • The virtual machine uses a virtual SCSI controller to connect to the virtual hard disk.
  • The guest operating system has Virtual Machine Additions installed.


This problem occurs because of a problem in Virtual Server 2005 R2 Virtual Machine Additions.


Hotfix information

A supported hotfix is now available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next service pack that contains this hotfix.

To resolve this problem, submit a request to Microsoft Online Customer Services to obtain the hotfix. To submit an online request to obtain the hotfix, visit the following Microsoft Web site:

Note If additional issues occur or any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. To create a separate service request, visit the following Microsoft Web site:


No prerequisites are required to apply this hotfix.

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 hotfix.

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.

File name File version File size Date Time Platform
Vmadditions.iso Not Applicable 25,690,112 28-Dec-2006 13:25 Not Applicable


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.


For more information, 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

Keywords: kbbug kbfix kbqfe kbpubtypekc kbhotfixserver KB930548