The RtlCaptureContext function returns an invalid context in IA-64-based versions of Windows Server 2008 R2

Symptoms

The RtlCaptureContext function returns an invalid context in IA-64-based versions of Windows Server 2008 R2. In this situation, you cannot collect diagnostic information as expected.

Resolution

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=supportNote 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 an IA-64-based version of 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 may have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

File information

The global 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, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:

    Version

    Product

    Milestone

    Service branch

    6.1.760
    0.20xxx

    Windows Server 2008 R2

    RTM

    LDR

    6.1.760
    1.21xxx

    Windows Server 2008 R2

    SP1

    LDR

  • 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 and for Windows 7" 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 IA-64-based versions of Windows Server 2008 R2

File name

File version

File size

Date

Time

Platform

Kernel32.dll

6.1.7600.20891

2,137,088

29-Jan-2011

07:59

IA-64

Kernel32.dll

6.1.7601.21651

2,137,088

29-Jan-2011

07:48

IA-64

Kernel32.dll

6.1.7600.20891

837,120

29-Jan-2011

08:08

x86

Kernel32.dll

6.1.7601.21651

837,632

29-Jan-2011

08:05

x86

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 Description of the standard terminology that is used to describe Microsoft software updates

For more information about the RtlCaptureContext function, visit the following Microsoft website:

Introduction to the RtlCaptureContext function

Additional file information

Additional file information for Windows Server 2008 R2

Additional files for all supported IA-64-based versions of Windows Server 2008 R2

File name

Ia64_microsoft-windows-kernel32_31bf3856ad364e35_6.1.7600.20891_none_9410b2a9d0c67216.manifest

File version

Not Applicable

File size

4,914

Date (UTC)

29-Jan-2011

Time (UTC)

09:36

Platform

Not Applicable

File name

Ia64_microsoft-windows-kernel32_31bf3856ad364e35_6.1.7601.21651_none_96224f5fcdcc6e3e.manifest

File version

Not Applicable

File size

4,914

Date (UTC)

29-Jan-2011

Time (UTC)

09:29

Platform

Not Applicable

File name

Update.mum

File version

Not Applicable

File size

2,169

Date (UTC)

31-Jan-2011

Time (UTC)

20:38

Platform

Not Applicable

File name

Wow64_microsoft-windows-kernel32_31bf3856ad364e35_6.1.7600.20891_none_fa825489bd869c4b.manifest

File version

Not Applicable

File size

4,653

Date (UTC)

29-Jan-2011

Time (UTC)

08:36

Platform

Not Applicable

File name

Wow64_microsoft-windows-kernel32_31bf3856ad364e35_6.1.7601.21651_none_fc93f13fba8c9873.manifest

File version

Not Applicable

File size

4,653

Date (UTC)

29-Jan-2011

Time (UTC)

08:33

Platform

Not Applicable

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