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Symptoms

When an application uses the NT file system (NTFS) sparse files on a computer that is running Windows Server 2008 Service Pack 2 (SP2) or Windows Vista Service Pack 2 (SP2), the computer stops responding.



When this problem occurs, all I/O operations are blocked. Therefore, you must restart the computer.

Cause

This problem occurs because of a timing issue that occurs in the Windows NT File System driver (Ntfs.sys). This issue causes a deadlock.

Resolution

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.

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

You must have Windows Server 2008 Service Pack 2 (SP2) or Windows Vista Service Pack 2 (SP2) installed to apply this hotfix.

Restart requirement

You must restart the computer after you apply this hotfix.

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 Vista and Windows Server 2008 file information note

  • The files that apply to a specific product, SR_Level (RTM,SPn), and service branch (LDR, GDR) can be identified by examining the fileversion numbers as shown in the following table.

    Version

    Product

    SR_Level

    Service branch

    6.0.6000.16xxx

    Windows Vista

    RTM

    GDR

    6.0.6000.20xxx

    Windows Vista

    RTM

    LDR

    6.0.6001.18xxx

    Windows Vista and Windows Server 2008

    SP1

    GDR

    6.0.6001.22xxx

    Windows Vista and Windows Server 2008

    SP1

    LDR

    6.0.6002.18xxx

    Windows Vista and Windows Server 2008

    SP2

    GDR

    6.0.6002.22xxx

    Windows Vista and Windows Server 2008

    SP2

    LDR

  • Service Pack 1 is integrated into the original release of Windows Server 2008.

  • GDR service branches contain only fixes that are broadlyreleased to address widespread, critical issues. LDR service branches containhotfixes in addition to broadly released fixes.

  • The MANIFEST files (.manifest) and the MUM files (.mum)that are installed for each environment are listed separately. MUM and MANIFEST files, andthe associated security catalog (.cat) files, are critical to maintaining thestate of the updated component. The security catalog files (attributes notlisted) are signed with a Microsoft digital signature.

For the x86-based versions of Windows Server 2008 SP2 and of Windows Vista SP2

File name

File version

File size

Date

Time

Platform

Ntfs.sys

6.0.6002.22201

1,081,928

17-Aug-2009

12:34

x86

For the x64-based versions of Windows Server 2008 SP2 and of Windows Vista SP2

File name

File version

File size

Date

Time

Platform

Ntfs.sys

6.0.6002.22201

1,508,424

17-Aug-2009

12:56

x64

For the Itanium-based version of Windows Server 2008 SP2

File name

File version

File size

Date

Time

Platform

Ntfs.sys

6.0.6002.22201

3,279,928

17-Aug-2009

14:06

IA-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 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 SP2 and for Windows Vista SP2

Additional files for the x86-based versions of Windows Server 2008 SP2 and of Windows Vista SP2

File name

File version

File size

Date

Time

Platform

Package_for_kb974646_client_2~31bf3856ad364e35~x86~~6.0.1.0.mum

Not applicable

1,693

18-Aug-2009

05:24

Not applicable

Package_for_kb974646_client~31bf3856ad364e35~x86~~6.0.1.0.mum

Not applicable

1,430

18-Aug-2009

05:24

Not applicable

Package_for_kb974646_sc_1~31bf3856ad364e35~x86~~6.0.1.0.mum

Not applicable

1,689

18-Aug-2009

05:24

Not applicable

Package_for_kb974646_sc~31bf3856ad364e35~x86~~6.0.1.0.mum

Not applicable

1,422

18-Aug-2009

05:24

Not applicable

Package_for_kb974646_server_1~31bf3856ad364e35~x86~~6.0.1.0.mum

Not applicable

1,693

18-Aug-2009

05:24

Not applicable

Package_for_kb974646_server~31bf3856ad364e35~x86~~6.0.1.0.mum

Not applicable

1,430

18-Aug-2009

05:24

Not applicable

X86_microsoft-windows-ntfs_31bf3856ad364e35_6.0.6002.22201_none_a8e24052332e9c74.manifest

Not applicable

16,265

17-Aug-2009

13:40

Not applicable

Additional files for the x64-based versions of Windows Server 2008 SP2 and of Windows Vista SP2

File name

File version

File size

Date

Time

Platform

Amd64_microsoft-windows-ntfs_31bf3856ad364e35_6.0.6002.22201_none_0500dbd5eb8c0daa.manifest

Not applicable

16,525

17-Aug-2009

13:59

Not applicable

Package_for_kb974646_client_2~31bf3856ad364e35~amd64~~6.0.1.0.mum

Not applicable

1,705

18-Aug-2009

05:24

Not applicable

Package_for_kb974646_client~31bf3856ad364e35~amd64~~6.0.1.0.mum

Not applicable

1,438

18-Aug-2009

05:24

Not applicable

Package_for_kb974646_sc_1~31bf3856ad364e35~amd64~~6.0.1.0.mum

Not applicable

1,701

18-Aug-2009

05:24

Not applicable

Package_for_kb974646_sc~31bf3856ad364e35~amd64~~6.0.1.0.mum

Not applicable

1,430

18-Aug-2009

05:24

Not applicable

Package_for_kb974646_server_1~31bf3856ad364e35~amd64~~6.0.1.0.mum

Not applicable

1,705

18-Aug-2009

05:24

Not applicable

Package_for_kb974646_server~31bf3856ad364e35~amd64~~6.0.1.0.mum

Not applicable

1,438

18-Aug-2009

05:24

Not applicable

Additional files for the Itanium-based version of Windows Server 2008 SP2

File name

File version

File size

Date

Time

Platform

Ia64_microsoft-windows-ntfs_31bf3856ad364e35_6.0.6002.22201_none_a8e3e448332ca570.manifest

Not applicable

16,517

17-Aug-2009

14:52

Not applicable

Package_for_kb974646_sc_1~31bf3856ad364e35~ia64~~6.0.1.0.mum

Not applicable

1,529

18-Aug-2009

05:24

Not applicable

Package_for_kb974646_sc~31bf3856ad364e35~ia64~~6.0.1.0.mum

Not applicable

1,426

18-Aug-2009

05:24

Not applicable

Package_for_kb974646_server_1~31bf3856ad364e35~ia64~~6.0.1.0.mum

Not applicable

1,533

18-Aug-2009

05:24

Not applicable

Package_for_kb974646_server~31bf3856ad364e35~ia64~~6.0.1.0.mum

Not applicable

1,434

18-Aug-2009

05:24

Not applicable

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