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Article ID: 2688074 - Last Review: October 9, 2014 - Revision: 6.0

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Symptoms

When a stack overflow occurs on a domain controller that is running Windows Server 2008 R2, an access violation occurs. Additionally, the domain controller may break into the debugger and go offline.

Cause

This issue occurs because of a race condition between the time-out of DFS site cost caches and of the DFS site caches.

Resolution

This hotfix is also available at Microsoft Update Catalog (http://catalog.update.microsoft.com/v7/site/Search.aspx?q=2688074) .

Hotfix information

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.
Prerequisites
To apply this hotfix, you must be running Windows Server 2008 R2 Service Pack 1 (SP1).

For more information about how to obtain a Windows 7 or a Windows Server 2008 R2 service pack, click the following article number to view the article in the Microsoft Knowledge Base:
976932  (http://support.microsoft.com/kb/976932/ ) Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2
Registry information
To use the hotfix in this package, you do not have to make any changes to the registry.
Restart requirement
You must restart the computer after you apply this update.
Hotfix replacement information
This hotfix does not replace a previously released hotfix.
File information
The English (United States) version of this hotfix installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.
Windows Server 2008 R2 file information notes
Important Windows 7 hotfixes and Windows Server 2008 R2 hotfixes are included in the same packages. However, hotfixes on the Hotfix Request page are listed under both operating systems. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 7/Windows Server 2008 R2" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.
  • The files that apply to a specific product, SR_Level (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table.
    Collapse this tableExpand this table
    VersionProductSR_LevelService branch
    6.1.760 1 . 21xxxWindows Server 2008 R2SP1LDR
  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows Server 2008 R2" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are extremely important to maintain the state of the updated components. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.
For all supported x64-based versions of Windows Server 2008 R2
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Dfsn-serverservice-ppdlic.xrm-msNot Applicable3,02103-Apr-201205:49Not Applicable
Dfssvc.exe6.1.7601.21956377,34403-Apr-201205:16x64

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 about software update terminology, 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 file information

Additional file information for Windows Server 2008 R2

Additional files for all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
Collapse this tableExpand this table
File nameAmd64_178df244dbdd423d799d9a8396d62f71_31bf3856ad364e35_6.1.7601.21956_none_961935434090ed55.manifest
File versionNot Applicable
File size710
Date (UTC)03-Apr-2012
Time (UTC)11:20
PlatformNot Applicable
File nameAmd64_microsoft-windows-dfsn-serverservice_31bf3856ad364e35_6.1.7601.21956_none_4d93a93573cec858.manifest
File versionNot Applicable
File size48,622
Date (UTC)03-Apr-2012
Time (UTC)06:48
PlatformNot Applicable
File nameUpdate.mum
File versionNot Applicable
File size2,096
Date (UTC)03-Apr-2012
Time (UTC)11:20
PlatformNot Applicable

Applies to
  • Windows Server 2008 R2 Datacenter
  • Windows Server 2008 R2 Enterprise
  • Windows Server 2008 R2 Standard
Keywords: 
kbmdd kbqfe kbhotfixserver kbfix kbsurveynew atdownload kbautohotfix KB2688074
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