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Article ID: 966319 - Last Review: October 7, 2011 - Revision: 2.0

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SYMPTOMS

On a computer that is running Windows Server 2008 or Windows Vista Service Pack 1 (SP1), you repeatedly encounter stop error code 0x00000050 during the user logon or logoff process. Then, the computer restarts automatically.

When this issue occurs, the following event may be logged in the System log:


Log Name: System
Source: Microsoft-Windows-Kernel-General
Date: date & time
Event ID: 5
Task Category: None
Level: Error
Keywords:
User: SYSTEM
Computer: computer name
Description: {Registry Hive Recovered} Registry hive (file): '\??\C:\Users\user name\ntuser.dat' was corrupted and it has been recovered. Some data might have been lost.

Note This issue frequently occurs on Windows Server 2008-based terminal servers.

CAUSE

This issue occurs when the computer contains corrupted user profiles.

Windows Server 2008 and Windows Vista SP1 try to correct profiles when the profiles are corrupted. However, the registry self-correcting feature incorrectly calculates a structure size. Therefore, the system accesses an invalid memory address.

RESOLUTION

Hotfix information for Windows Server 2008

A supported hotfix is 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 the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if 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. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=support (http://support.microsoft.com/contactus/?ws=support)
Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Important Windows Vista and Windows Server 2008 hotfixes are included in the same packages. However, only one of these products may be listed on the “Hotfix Request” page. To request the hotfix package that applies to both Windows Vista and Windows Server 2008, just select the product that is listed on the page.

Prerequisites

To apply this hotfix, you must be running Windows Server 2008 or Windows Vista Service Pack 1.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other previously released hotfixes.

Registry information

To use this hotfix, you do not have to make any changes to the registry.

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.

Windows Server 2008 and Windows Vista file information note

The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately . MUM and MANIFEST files, and the associated security catalog (.cat) files, are critical to maintaining the state of the updated component. The security catalog files (attributes not listed) are signed with a Microsoft digital signature.
Windows Server 2008 and Windows Vista, x86-based version
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Ntkrnlpa.exe6.0.6001.223663,600,86402-Feb-200906:01Not Applicable
Ntoskrnl.exe6.0.6001.223663,548,64002-Feb-200906:01Not Applicable
Windows Server 2008 and Windows Vista, x64-based version
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Ntoskrnl.exe6.0.6001.223664,691,44002-Feb-200906:47x64
Windows Server 2008, Itanium-based version
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Ntoskrnl.exe6.0.6001.223669,491,93602-Feb-200905:37IA-64

STATUS

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

MORE INFORMATION

For more information, click the following article number to view the article in the Microsoft Knowledge Base:
824684   (http://support.microsoft.com/kb/824684/ ) Description of the standard terminology that is used to describe Microsoft software updates
Additional files for all supported x86-based versions of Windows Server 2008 and of Windows Vista
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File nameFile versionFile sizeDateTimePlatform
Package_for_kb966319_client_1~31bf3856ad364e35~x86~~6.0.1.0.mumNot Applicable1,36702-Feb-200917:47Not Applicable
Package_for_kb966319_client~31bf3856ad364e35~x86~~6.0.1.0.mumNot Applicable1,43102-Feb-200917:47Not Applicable
Package_for_kb966319_sc_0~31bf3856ad364e35~x86~~6.0.1.0.mumNot Applicable1,42102-Feb-200917:47Not Applicable
Package_for_kb966319_sc~31bf3856ad364e35~x86~~6.0.1.0.mumNot Applicable1,42302-Feb-200917:47Not Applicable
Package_for_kb966319_server_0~31bf3856ad364e35~x86~~6.0.1.0.mumNot Applicable1,42502-Feb-200917:47Not Applicable
Package_for_kb966319_server~31bf3856ad364e35~x86~~6.0.1.0.mumNot Applicable1,43102-Feb-200917:47Not Applicable
Package_for_kb966319_winpesrv_0~31bf3856ad364e35~x86~~6.0.1.0.mumNot Applicable1,42202-Feb-200917:47Not Applicable
Package_for_kb966319_winpesrv~31bf3856ad364e35~x86~~6.0.1.0.mumNot Applicable1,42902-Feb-200917:47Not Applicable
X86_microsoft-windows-os-kernel_31bf3856ad364e35_6.0.6001.22366_none_6c7f246bcd6bec30.manifestNot Applicable17,80602-Feb-200906:28Not Applicable
Additional files for all supported x64-based versions of Windows Server 2008 and of Windows Vista
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Amd64_microsoft-windows-os-kernel_31bf3856ad364e35_6.0.6001.22366_none_c89dbfef85c95d66.manifestNot Applicable16,51202-Feb-200907:14Not Applicable
Package_for_kb966319_client_1~31bf3856ad364e35~amd64~~6.0.1.0.mumNot Applicable1,37502-Feb-200917:47Not Applicable
Package_for_kb966319_client~31bf3856ad364e35~amd64~~6.0.1.0.mumNot Applicable1,43902-Feb-200917:47Not Applicable
Package_for_kb966319_sc_0~31bf3856ad364e35~amd64~~6.0.1.0.mumNot Applicable1,42902-Feb-200917:47Not Applicable
Package_for_kb966319_sc~31bf3856ad364e35~amd64~~6.0.1.0.mumNot Applicable1,43102-Feb-200917:47Not Applicable
Package_for_kb966319_server_0~31bf3856ad364e35~amd64~~6.0.1.0.mumNot Applicable1,43302-Feb-200917:47Not Applicable
Package_for_kb966319_server~31bf3856ad364e35~amd64~~6.0.1.0.mumNot Applicable1,43902-Feb-200917:47Not Applicable
Package_for_kb966319_winpesrv_0~31bf3856ad364e35~amd64~~6.0.1.0.mumNot Applicable1,43002-Feb-200917:47Not Applicable
Package_for_kb966319_winpesrv~31bf3856ad364e35~amd64~~6.0.1.0.mumNot Applicable1,43702-Feb-200917:47Not Applicable
Additional files for all supported Itanium-based versions of Windows Server 2008
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Ia64_microsoft-windows-os-kernel_31bf3856ad364e35_6.0.6001.22366_none_6c80c861cd69f52c.manifestNot Applicable16,81902-Feb-200906:13Not Applicable
Package_for_kb966319_sc_0~31bf3856ad364e35~ia64~~6.0.1.0.mumNot Applicable1,42502-Feb-200917:47Not Applicable
Package_for_kb966319_sc~31bf3856ad364e35~ia64~~6.0.1.0.mumNot Applicable1,42602-Feb-200917:47Not Applicable
Package_for_kb966319_server_0~31bf3856ad364e35~ia64~~6.0.1.0.mumNot Applicable1,42902-Feb-200917:47Not Applicable
Package_for_kb966319_server~31bf3856ad364e35~ia64~~6.0.1.0.mumNot Applicable1,43402-Feb-200917:47Not Applicable
Package_for_kb966319_winpesrv_0~31bf3856ad364e35~ia64~~6.0.1.0.mumNot Applicable1,42602-Feb-200917:47Not Applicable
Package_for_kb966319_winpesrv~31bf3856ad364e35~ia64~~6.0.1.0.mumNot Applicable1,43302-Feb-200917:47Not Applicable

APPLIES TO
  • Windows Server 2008 Datacenter
  • Windows Server 2008 Enterprise
  • Windows Server 2008 Standard
  • Windows Vista Enterprise 64-bit Edition
  • Windows Vista Home Basic 64-bit Edition
  • Windows Vista Home Premium 64-bit Edition
  • Windows Vista Ultimate 64-bit Edition
  • Windows Vista Business
  • Windows Vista Business 64-bit Edition
  • Windows Vista Enterprise
  • Windows Vista Home Basic
  • Windows Vista Home Premium
  • Windows Vista Ultimate
Keywords: 
kbautohotfix kbexpertiseadvanced kbfix kbsurveynew kbqfe KB966319
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