The Windows Server 2008 system stops responding (hangs) when an application or a driver triggers an NMI to generate a memory dump file forcibly

Applies to: Windows Server 2008 StandardWindows Server 2008 EnterpriseWindows Server 2008 Datacenter


You have a computer that is running Windows Server 2008 and that supports Windows Hardware Error Architecture (WHEA). However, when an application or a driver triggers a nonmaskable interrupt (NMI) to forcibly generate a memory dump file, the system stops responding (hangs).


Hotfix information

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.

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: 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.


To apply this hotfix, you must have Windows Server 2008 Service Pack 2 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 global 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 Vista and Windows Server 2008 file information notes

  • 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.
    VersionProductSR_LevelService branch
    6.0.6000.16xxxWindows VistaRTMGDR
    6.0.6000.20xxxWindows VistaRTMLDR
    6.0.6001.18xxxWindows Vista and Windows Server 2008SP1GDR
    6.0.6001.22xxxWindows Vista and Windows Server 2008SP1LDR
    6.0.6002.18xxxWindows Vista and Windows Server 2008SP2GDR
    6.0.6002.22xxxWindows Vista and Windows Server 2008SP2LDR
  • Service Pack 1 is integrated into the original release of Windows Server 2008.
  • The MANIFEST files (.manifest) and MUM files (.mum) installed for each environment are listed separately. The 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.
For all supported x86-based versions of Windows Server 2008 and of Windows Vista
File nameFile versionFile sizeDateTimePlatform
For all supported x64-based versions of Windows Server 2008 and of Windows Vista
File nameFile versionFile sizeDateTimePlatform
For all supported Itanium-based versions of Windows Server 2008
File nameFile versionFile sizeDateTimePlatform


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

Additional file information for Windows Server 2008

Additional files for all supported x86-based versions of Windows Server 2008 and of Windows Vista

File nameFile versionFile sizeDateTimePlatform
Package_1_for_kb971877~31bf3856ad364e35~x86~~ Applicable2,42813-Oct-200902:23Not Applicable
Package_2_for_kb971877~31bf3856ad364e35~x86~~ Applicable2,26613-Oct-200902:23Not Applicable
Package_3_for_kb971877~31bf3856ad364e35~x86~~ Applicable2,26613-Oct-200902:23Not Applicable
Package_for_kb971877_client_2~31bf3856ad364e35~x86~~ Applicable1,69313-Oct-200902:23Not Applicable
Package_for_kb971877_client~31bf3856ad364e35~x86~~ Applicable1,43013-Oct-200902:23Not Applicable
Package_for_kb971877_sc_1~31bf3856ad364e35~x86~~ Applicable1,68913-Oct-200902:23Not Applicable
Package_for_kb971877_sc~31bf3856ad364e35~x86~~ Applicable1,42213-Oct-200902:23Not Applicable
Package_for_kb971877_server_1~31bf3856ad364e35~x86~~ Applicable1,69313-Oct-200902:23Not Applicable
Package_for_kb971877_server~31bf3856ad364e35~x86~~ Applicable1,43013-Oct-200902:23Not Applicable
X86_a1e08919b68326e6a356c6ca7905458f_31bf3856ad364e35_6.0.6002.22242_none_2e7ea806804cfbb9.manifestNot Applicable69313-Oct-200902:23Not Applicable
X86_microsoft-windows-pshed_31bf3856ad364e35_6.0.6002.22242_none_5e39ba7f43771b10.manifestNot Applicable14,76808-Oct-200917:12Not Applicable

Additional files for all supported x64-based versions of Windows Server 2008 and of Windows Vista

File nameFile versionFile sizeDateTimePlatform
Amd64_a6f8e15ca2cdea35fd08d4f2ade28ebc_31bf3856ad364e35_6.0.6002.22242_none_1655d3e949fc2968.manifestNot Applicable69713-Oct-200902:23Not Applicable
Amd64_microsoft-windows-pshed_31bf3856ad364e35_6.0.6002.22242_none_ba585602fbd48c46.manifestNot Applicable14,77608-Oct-200921:02Not Applicable
Package_1_for_kb971877~31bf3856ad364e35~amd64~~ Applicable2,44613-Oct-200902:23Not Applicable
Package_2_for_kb971877~31bf3856ad364e35~amd64~~ Applicable2,28213-Oct-200902:23Not Applicable
Package_3_for_kb971877~31bf3856ad364e35~amd64~~ Applicable2,28213-Oct-200902:23Not Applicable
Package_for_kb971877_client_2~31bf3856ad364e35~amd64~~ Applicable1,70513-Oct-200902:23Not Applicable
Package_for_kb971877_client~31bf3856ad364e35~amd64~~ Applicable1,43813-Oct-200902:23Not Applicable
Package_for_kb971877_sc_1~31bf3856ad364e35~amd64~~ Applicable1,70113-Oct-200902:23Not Applicable
Package_for_kb971877_sc~31bf3856ad364e35~amd64~~ Applicable1,43013-Oct-200902:23Not Applicable
Package_for_kb971877_server_1~31bf3856ad364e35~amd64~~ Applicable1,70513-Oct-200902:23Not Applicable
Package_for_kb971877_server~31bf3856ad364e35~amd64~~ Applicable1,43813-Oct-200902:23Not Applicable

Additional files for all supported Itanium-based versions of Windows Server 2008

File nameFile versionFile sizeDateTimePlatform
Ia64_64b56bccb2b30d622ca552d794cbdab8_31bf3856ad364e35_6.0.6002.22242_none_6a478b03b7465629.manifestNot Applicable69513-Oct-200902:23Not Applicable
Ia64_microsoft-windows-pshed_31bf3856ad364e35_6.0.6002.22242_none_5e3b5e754375240c.manifestNot Applicable14,77208-Oct-200916:45Not Applicable
Package_1_for_kb971877~31bf3856ad364e35~ia64~~ Applicable2,10813-Oct-200902:23Not Applicable
Package_2_for_kb971877~31bf3856ad364e35~ia64~~ Applicable2,10813-Oct-200902:23Not Applicable
Package_for_kb971877_sc_1~31bf3856ad364e35~ia64~~ Applicable1,52913-Oct-200902:23Not Applicable
Package_for_kb971877_sc~31bf3856ad364e35~ia64~~ Applicable1,42613-Oct-200902:23Not Applicable
Package_for_kb971877_server_1~31bf3856ad364e35~ia64~~ Applicable1,53313-Oct-200902:23Not Applicable
Package_for_kb971877_server~31bf3856ad364e35~ia64~~ Applicable1,43413-Oct-200902:23Not Applicable