Update to remove memory management flush serialization for all file system drivers in Windows

Summary

This update provides a design change in which memory management flush serialization for all file system drivers is removed in Windows Server 2012 R2, Windows 8.1, Windows Server 2012, and Windows 8.

Note This issue also occurs in Windows 7 and Windows Server 2008 R2. To obtain the fix of Windows 7 and Windows Server 2008 R2, download hotfix 2997200.

More Information

Hotfix information

A supported hotfix is available from Microsoft Support. 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, go to the following Microsoft website:

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

There are no prerequisites for installing this hotfix in Windows 8 or Windows Server 2012.

To apply this update in Windows 8.1 or Windows Server 2012 R2, you must first have update 2919355 installed.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any previously released hotfix.

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 8 and Windows Server 2012 file information and notesImportant Windows 8 and Windows Server 2012 hotfixes are included in the same packages. However, only "Windows 8" is listed on the Hotfix Request page. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 8" 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

    6.2.920 0.21 xxx

    Windows 8 and Windows Server 2012

    RTM

    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 8 and Windows Server 2012" 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 x86-based versions of Windows 8

File name

File version

File size

Date

Time

Platform

Ntoskrnl.exe

6.2.9200.21164

5,555,008

03-Jul-2014

00:42

Not Applicable

For all supported x64-based versions of Windows 8 and Windows Server 2012

File name

File version

File size

Date

Time

Platform

Ntoskrnl.exe

6.2.9200.21164

6,943,552

03-Jul-2014

02:37

x64

Windows 8.1 and Windows Server 2012 R2 file information and notesImportant Windows 8.1 and Windows Server 2012 R2 hotfixes are included in the same packages. However, only "Windows 8.1" is listed on the Hotfix Request page. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 8.1" 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

    6.3.960 0.17 xxx

    Windows 8.1 and Windows Server 2012 R2

    RTM

    GDR

  • 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 8.1 and Windows Server 2012 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 x86-based versions of Windows 8.1

File name

File version

File size

Date

Time

Platform

Ntoskrnl.exe

6.3.9600.17237

5,785,408

16-Jul-2014

21:21

Not Applicable

For all supported x64-based versions of Windows 8.1 and Windows Server 2012 R2

File name

File version

File size

Date

Time

Platform

Ntoskrnl.exe

6.3.9600.17237

7,424,320

16-Jul-2014

22:37

x64

For all supported ARM-based versions of Windows 8.1

File name

File version

File size

Date

Time

Platform

Ntoskrnl.exe

6.3.9600.17237

5,221,712

16-Jul-2014

20:48

Not Applicable

Additional file information

Additional file information for Windows 8 and for Windows Server 2012

Additional files for all supported x86-based versions of Windows 8

File name

Package_1_for_kb2981965~31bf3856ad364e35~x86~~6.2.1.0.mum

File version

Not Applicable

File size

2,042

Date (UTC)

03-Jul-2014

Time (UTC)

08:19

Platform

Not Applicable

File name

Package_2_for_kb2981965~31bf3856ad364e35~x86~~6.2.1.0.mum

File version

Not Applicable

File size

2,044

Date (UTC)

03-Jul-2014

Time (UTC)

08:19

Platform

Not Applicable

File name

Package_3_for_kb2981965~31bf3856ad364e35~x86~~6.2.1.0.mum

File version

Not Applicable

File size

2,053

Date (UTC)

03-Jul-2014

Time (UTC)

08:19

Platform

Not Applicable

File name

Package_for_kb2981965_rtm~31bf3856ad364e35~x86~~6.2.1.0.mum

File version

Not Applicable

File size

2,666

Date (UTC)

03-Jul-2014

Time (UTC)

08:19

Platform

Not Applicable

File name

X86_fc67dc0482fa468205ac3e9c43e9e151_31bf3856ad364e35_6.2.9200.21164_none_787d8e4c33431e96.manifest

File version

Not Applicable

File size

697

Date (UTC)

03-Jul-2014

Time (UTC)

08:19

Platform

Not Applicable

File name

X86_microsoft-windows-os-kernel_31bf3856ad364e35_6.2.9200.21164_none_697a8daa9e97613d.manifest

File version

Not Applicable

File size

2,590

Date (UTC)

03-Jul-2014

Time (UTC)

00:51

Platform

Not Applicable

Additional files for all supported x64-based versions of Windows 8 and Windows Server 2012

File name

Amd64_fd7e1597473ef9b54e667fe8e3644e45_31bf3856ad364e35_6.2.9200.21164_none_b054b51bfa77fccc.manifest

File version

Not Applicable

File size

701

Date (UTC)

03-Jul-2014

Time (UTC)

08:20

File name

Amd64_microsoft-windows-os-kernel_31bf3856ad364e35_6.2.9200.21164_none_c599292e56f4d273.manifest

File version

Not Applicable

File size

2,592

Date (UTC)

03-Jul-2014

Time (UTC)

02:46

File name

Package_1_for_kb2981965~31bf3856ad364e35~amd64~~6.2.1.0.mum

File version

Not Applicable

File size

2,054

Date (UTC)

03-Jul-2014

Time (UTC)

08:20

File name

Package_2_for_kb2981965~31bf3856ad364e35~amd64~~6.2.1.0.mum

File version

Not Applicable

File size

2,518

Date (UTC)

03-Jul-2014

Time (UTC)

08:20

File name

Package_3_for_kb2981965~31bf3856ad364e35~amd64~~6.2.1.0.mum

File version

Not Applicable

File size

2,065

Date (UTC)

03-Jul-2014

Time (UTC)

08:20

File name

Package_for_kb2981965_rtm~31bf3856ad364e35~amd64~~6.2.1.0.mum

File version

Not Applicable

File size

3,146

Date (UTC)

03-Jul-2014

Time (UTC)

08:20

Additional file information for Windows 8.1 and for Windows Server 2012 R2

Additional files for all supported x86-based versions of Windows 8.1

File name

Package_1_for_kb2981965~31bf3856ad364e35~x86~~6.3.1.0.mum

File version

Not Applicable

File size

2,042

Date (UTC)

17-Jul-2014

Time (UTC)

09:15

File name

Package_2_for_kb2981965~31bf3856ad364e35~x86~~6.3.1.0.mum

File version

Not Applicable

File size

2,056

Date (UTC)

17-Jul-2014

Time (UTC)

09:15

File name

Package_3_for_kb2981965~31bf3856ad364e35~x86~~6.3.1.0.mum

File version

Not Applicable

File size

1,832

Date (UTC)

17-Jul-2014

Time (UTC)

09:15

File name

Package_for_kb2981965_rtm_gm~31bf3856ad364e35~x86~~6.3.1.0.mum

File version

Not Applicable

File size

1,957

Date (UTC)

17-Jul-2014

Time (UTC)

09:15

File name

Package_for_kb2981965_rtm~31bf3856ad364e35~x86~~6.3.1.0.mum

File version

Not Applicable

File size

1,476

Date (UTC)

17-Jul-2014

Time (UTC)

09:15

File name

X86_cd4ba8e0e285008f11b17969a7be0b36_31bf3856ad364e35_6.3.9600.17237_none_20bc5fb4f86ed79c.manifest

File version

Not Applicable

File size

697

Date (UTC)

17-Jul-2014

Time (UTC)

09:15

File name

X86_microsoft-windows-os-kernel_31bf3856ad364e35_6.3.9600.17237_none_01091df3cf918470.manifest

File version

Not Applicable

File size

2,590

Date (UTC)

16-Jul-2014

Time (UTC)

21:41

Additional files for all supported x64-based versions of Windows 8.1 and Windows Server 2012 R2

File name

Amd64_c509d3768645bbbf79f7f654914d1762_31bf3856ad364e35_6.3.9600.17237_none_33dee8169e50b277.manifest

File version

Not Applicable

File size

701

Date (UTC)

17-Jul-2014

Time (UTC)

09:15

File name

Amd64_microsoft-windows-os-kernel_31bf3856ad364e35_6.3.9600.17237_none_5d27b97787eef5a6.manifest

File version

Not Applicable

File size

2,592

Date (UTC)

16-Jul-2014

Time (UTC)

23:46

File name

Package_1_for_kb2981965~31bf3856ad364e35~amd64~~6.3.1.0.mum

File version

Not Applicable

File size

2,054

Date (UTC)

17-Jul-2014

Time (UTC)

09:15

File name

Package_2_for_kb2981965~31bf3856ad364e35~amd64~~6.3.1.0.mum

File version

Not Applicable

File size

2,519

Date (UTC)

17-Jul-2014

Time (UTC)

09:15

File name

Package_3_for_kb2981965~31bf3856ad364e35~amd64~~6.3.1.0.mum

File version

Not Applicable

File size

1,842

Date (UTC)

17-Jul-2014

Time (UTC)

09:15

File name

Package_for_kb2981965_rtm_gm~31bf3856ad364e35~amd64~~6.3.1.0.mum

File version

Not Applicable

File size

1,969

Date (UTC)

17-Jul-2014

Time (UTC)

09:15

File name

Package_for_kb2981965_rtm~31bf3856ad364e35~amd64~~6.3.1.0.mum

File version

Not Applicable

File size

1,484

Date (UTC)

17-Jul-2014

Time (UTC)

09:15

Additional files for all supported ARM-based versions of Windows 8.1

File name

Arm_3306b36584f98574863a42677b1c5a0e_31bf3856ad364e35_6.3.9600.17237_none_96a29a2a0ea515b5.manifest

File version

Not Applicable

File size

697

Date (UTC)

17-Jul-2014

Time (UTC)

09:16

File name

Arm_microsoft-windows-os-kernel_31bf3856ad364e35_6.3.9600.17237_none_010b904bcf8ea336.manifest

File version

Not Applicable

File size

2,590

Date (UTC)

16-Jul-2014

Time (UTC)

21:06

File name

Package_1_for_kb2981965~31bf3856ad364e35~arm~~6.3.1.0.mum

File version

Not Applicable

File size

2,042

Date (UTC)

17-Jul-2014

Time (UTC)

09:16

File name

Package_2_for_kb2981965~31bf3856ad364e35~arm~~6.3.1.0.mum

File version

Not Applicable

File size

2,056

Date (UTC)

17-Jul-2014

Time (UTC)

09:16

File name

Package_3_for_kb2981965~31bf3856ad364e35~arm~~6.3.1.0.mum

File version

Not Applicable

File size

1,832

Date (UTC)

17-Jul-2014

Time (UTC)

09:16

File name

Package_for_kb2981965_rtm_gm~31bf3856ad364e35~arm~~6.3.1.0.mum

File version

Not Applicable

File size

1,957

Date (UTC)

17-Jul-2014

Time (UTC)

09:16

File name

Package_for_kb2981965_rtm~31bf3856ad364e35~arm~~6.3.1.0.mum

File version

Not Applicable

File size

1,476

Date (UTC)

17-Jul-2014

Time (UTC)

09:16


Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

References

Learn about the terminology that Microsoft uses to describe software updates.

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