The crashdump.sys driver cannot write dump files on a computer that is running Windows Server 2008 R2 and that has 256 logic processors

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Article ID: 2295805 - View products that this article applies to.
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SYMPTOMS

If a computer that is running Windows Server 2008 R2 also has 256 logic processors, the crashdump.sys driver cannot write dump files.

CAUSE

This issue occurs because an incorrect variable type is used to store logic processor numbers.

Note This issue occurs in both the following installations of Windows Server 2008 R2:
  • A Server Core installation of the Windows Server 2008 R2 operating system
  • A full installation of the Windows Server 2008 R2 operating system

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 website:
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.

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 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 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 very important to maintaining the state of the updated component. The security catalog files are signed with a Microsoft digital signature. The attributes for these files are not listed.
For all supported x64-based versions of Windows Server 2008 R2
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Ntoskrnl.exe6.1.7600.166445,507,96827-Jul-201015:05x64
Ntoskrnl.exe6.1.7600.207655,474,17627-Jul-201014:48x64
Ntkrnlpa.exe6.1.7600.166443,955,58427-Jul-201014:10Not applicable
Ntoskrnl.exe6.1.7600.166443,899,77627-Jul-201014:10Not applicable
Ntkrnlpa.exe6.1.7600.207653,964,80027-Jul-201014:05Not applicable
Ntoskrnl.exe6.1.7600.207653,909,50427-Jul-201014:05Not applicable
For all supported IA-64-based versions of Windows Server 2008 R2
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Ntoskrnl.exe6.1.7600.1664411,174,78427-Jul-201014:08IA-64
Ntoskrnl.exe6.1.7600.2076511,129,21627-Jul-201013:57IA-64
Ntkrnlpa.exe6.1.7600.166443,955,58427-Jul-201014:10Not applicable
Ntoskrnl.exe6.1.7600.166443,899,77627-Jul-201014:10Not applicable
Ntkrnlpa.exe6.1.7600.207653,964,80027-Jul-201014:05Not applicable
Ntoskrnl.exe6.1.7600.207653,909,50427-Jul-201014:05Not applicable

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

Additional file information

Additional file information for Windows Server 2008 R2

Additional files for all supported x64-based versions of Windows Server 2008 R2
Collapse this tableExpand this table
File nameAmd64_0549900ec39cef05e9225b4d2d3ac61b_31bf3856ad364e35_6.1.7600.20765_none_8004b73d212b8112.manifest
File versionNot applicable
File size701
Date (UTC)27-Jul-2010
Time (UTC)19:43
PlatformNot applicable
File nameAmd64_14a8c7244dd206a52486045c2a26b55b_31bf3856ad364e35_6.1.7600.20765_none_423de300aa4359f6.manifest
File versionNot applicable
File size699
Date (UTC)27-Jul-2010
Time (UTC)19:43
PlatformNot applicable
File nameAmd64_180f6b4b13144ed433153e948ffbd4d9_31bf3856ad364e35_6.1.7600.16644_none_4f914540cb811a11.manifest
File versionNot applicable
File size699
Date (UTC)27-Jul-2010
Time (UTC)19:43
PlatformNot applicable
File nameAmd64_4d782510996178f4d4cb76c342c7cf89_31bf3856ad364e35_6.1.7600.20765_none_bff13e395c57a5ce.manifest
File versionNot applicable
File size1,042
Date (UTC)27-Jul-2010
Time (UTC)19:43
PlatformNot applicable
File nameAmd64_8dda9dc61287344bbdaf452321af93a8_31bf3856ad364e35_6.1.7600.16644_none_bda2789353505e18.manifest
File versionNot applicable
File size701
Date (UTC)27-Jul-2010
Time (UTC)19:43
PlatformNot applicable
File nameAmd64_aee6f6be9e1cfb27e6c2b0420aa9ddaa_31bf3856ad364e35_6.1.7600.16644_none_ceeb950cdf77e9f0.manifest
File versionNot applicable
File size1,042
Date (UTC)27-Jul-2010
Time (UTC)19:43
PlatformNot applicable
File nameAmd64_microsoft-windows-os-kernel_31bf3856ad364e35_6.1.7600.16644_none_c84f985fcdb48769.manifest
File versionNot applicable
File size15,291
Date (UTC)27-Jul-2010
Time (UTC)15:34
PlatformNot applicable
File nameAmd64_microsoft-windows-os-kernel_31bf3856ad364e35_6.1.7600.20765_none_c8c4959ce6e1786c.manifest
File versionNot applicable
File size15,291
Date (UTC)27-Jul-2010
Time (UTC)15:33
PlatformNot applicable
File nameUpdate.mum
File versionNot applicable
File size2,115
Date (UTC)27-Jul-2010
Time (UTC)19:43
PlatformNot applicable
File nameX86_microsoft-windows-os-kernel_31bf3856ad364e35_6.1.7600.16644_none_6c30fcdc15571633.manifest
File versionNot applicable
File size16,151
Date (UTC)27-Jul-2010
Time (UTC)14:37
PlatformNot applicable
File nameX86_microsoft-windows-os-kernel_31bf3856ad364e35_6.1.7600.20765_none_6ca5fa192e840736.manifest
File versionNot applicable
File size16,151
Date (UTC)27-Jul-2010
Time (UTC)14:39
PlatformNot applicable
Additional files for all supported IA-64-based versions of Windows Server 2008 R2
Collapse this tableExpand this table
File nameIa64_14a8c7244dd206a52486045c2a26b55b_31bf3856ad364e35_6.1.7600.20765_none_e620eb72f1e3f1bc.manifest
File versionNot applicable
File size698
Date (UTC)27-Jul-2010
Time (UTC)19:43
PlatformNot applicable
File nameIa64_180f6b4b13144ed433153e948ffbd4d9_31bf3856ad364e35_6.1.7600.16644_none_f3744db31321b1d7.manifest
File versionNot applicable
File size698
Date (UTC)27-Jul-2010
Time (UTC)19:43
PlatformNot applicable
File nameIa64_8ebf8ee92369833ae0e3f38ad066cfdf_31bf3856ad364e35_6.1.7600.20765_none_79bbf88794bd8d28.manifest
File versionNot applicable
File size699
Date (UTC)27-Jul-2010
Time (UTC)19:43
PlatformNot applicable
File nameIa64_e36a384be7bfc553dd44915e8e3d004c_31bf3856ad364e35_6.1.7600.16644_none_61845c522247b74f.manifest
File versionNot applicable
File size699
Date (UTC)27-Jul-2010
Time (UTC)19:43
PlatformNot applicable
File nameIa64_microsoft-windows-os-kernel_31bf3856ad364e35_6.1.7600.16644_none_6c32a0d215551f2f.manifest
File versionNot applicable
File size15,289
Date (UTC)27-Jul-2010
Time (UTC)15:28
PlatformNot applicable
File nameIa64_microsoft-windows-os-kernel_31bf3856ad364e35_6.1.7600.20765_none_6ca79e0f2e821032.manifest
File versionNot applicable
File size15,289
Date (UTC)27-Jul-2010
Time (UTC)15:21
PlatformNot applicable
File nameUpdate.mum
File versionNot applicable
File size1,690
Date (UTC)27-Jul-2010
Time (UTC)19:43
PlatformNot applicable
File nameX86_microsoft-windows-os-kernel_31bf3856ad364e35_6.1.7600.16644_none_6c30fcdc15571633.manifest
File versionNot applicable
File size16,151
Date (UTC)27-Jul-2010
Time (UTC)14:37
PlatformNot applicable
File nameX86_microsoft-windows-os-kernel_31bf3856ad364e35_6.1.7600.20765_none_6ca5fa192e840736.manifest
File versionNot applicable
File size16,151
Date (UTC)27-Jul-2010
Time (UTC)14:39
PlatformNot applicable

Properties

Article ID: 2295805 - Last Review: October 14, 2010 - Revision: 4.0
APPLIES TO
  • Windows Server 2008 R2 Enterprise
  • Windows Server 2008 R2 Datacenter
  • Windows Server 2008 R2 for Itanium-Based Systems
  • Windows Server 2008 R2 Standard
  • Windows Server 2008 R2 Foundation
  • Windows Web Server 2008 R2
Keywords: 
kbautohotfix kbqfe kbhotfixserver kbfix kbsurveynew kbexpertiseadvanced KB2295805

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