Microsoft KB Archive/903723

= The computer stops responding and you may receive a &quot;Stop 0x50&quot; error message when you try to back up a computer that is running Windows 2000 Server with Service Pack 4 =

Article ID: 903723

Article Last Modified on 10/26/2006

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APPLIES TO

 Microsoft Windows 2000 Service Pack 4, when used with:  Microsoft Windows 2000 Server

 Microsoft Windows 2000 Advanced Server

 Microsoft Windows 2000 Datacenter Server 

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SYMPTOMS
When you try to back up a computer that is running Microsoft Windows 2000 Server with Service Pack 4 (SP4), the computer stops responding and you may receive a &quot;Stop 0x50&quot; error message.

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CAUSE
This problem occurs because of a code defect in Windows 2000 Server.

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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
To apply this hotfix, you must have Windows 2000 Server SP4 installed on the computer.

Restart requirement
You must restart the 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. <pre class="fixed_text">  Date         Time   Version             Size  File name --  08-Mar-2005  19:54  5.0.2195.7035     90,544  Mup.sys 12-Sep-2005 03:35  5.0.2195.7070  1,714,560  Ntkrnlmp.exe 12-Sep-2005 03:36  5.0.2195.7070  1,713,600  Ntkrnlpa.exe 12-Sep-2005 03:36  5.0.2195.7070  1,735,936  Ntkrpamp.exe 12-Sep-2005 03:35  5.0.2195.7070  1,690,944  Ntoskrnl.exe

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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 how hotfix packages are named, click the following article number to view the article in the Microsoft Knowledge Base:

816915 New file naming schema for Microsoft Windows software update packages

For more information about the standard terminology that is used to describe Microsoft software updates, 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: kbtshoot kbbug kbfix kbwin2000presp5fix kbpubtypekc kbhotfixserver kbqfe KB903723

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