Microsoft KB Archive/823748

= Windows 2000 Advanced Server May Stop Responding on Computers with More Than Eight Virtual CPUs =

Article ID: 823748

Article Last Modified on 10/26/2006

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APPLIES TO


 * Microsoft Windows 2000 Advanced Server

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SYMPTOMS
When you restart a computer that is running Windows 2000 Advanced Server, the computer may stop responding (hang). When this problem occurs, only a text cursor appears in the upper-left corner of a blank screen after you restart the computer.



CAUSE
This problem occurs on computers that have CPUs that support symmetric multithreading. On computers with symmetric multithreading activated, each physical CPU is presented as two CPUs (one physical CPU and one virtual CPU). The problem that this article describes may occur on computers where the total number of CPUs (including the virtual CPUs) is more than eight.



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

To resolve this problem, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product 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
There are no prerequisites for this hotfix.

Restart Requirement
You do not have to restart your computer after you apply this hotfix.

Hotfix Replacement Information
This hotfix does not replace any other hotfixes.

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 tool in Control Panel.   Date         Time   Version        Size    File name ---  07-Aug-2003  17:48  5.0.2195.6801  83,456  Halaacpi.dll 07-Aug-2003 17:48  5.0.2195.6801  67,872  Halacpi.dll 07-Aug-2003 17:48  5.0.2195.6801  93,536  Halapic.dll 07-Aug-2003 17:48  5.0.2195.6801  84,288  Halmacpi.dll 07-Aug-2003 17:48  5.0.2195.6801  95,008  Halmps.dll



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: smt

Keywords: kbhotfixserver kbqfe kbwin2000presp5fix kbqfe kbfix kbbug KB823748

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