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Symptoms

Assume that you use a roaming user profile and enable client-side-caching (CSC) on a computer that is running Windows 7 or Windows Server 2008 R2. When you log on or log off the computer, the computer sends additional "QUERY INFORMATION, class=FileNetworkOpenInformation" network traffic packages to the profile server. Additionally, if the network speed is slow, the logon or logoff process is slow.

Note This behavior does not occur when CSC is disabled.

For example, assume that you have a Windows 7-based client computer and a Windows Server 2008 R2-based domain controller (DC). When you use a roaming user profile and enable CSC, the network traffic between the client computer and the DC doubles.

Resolution

Hotfix information

Important This hotfix has been re-released to address an issue in which the digital signature on files produced and signed by Microsoft will expire prematurely, as described in Microsoft Security Advisory 2749655.

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=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 one of the following operating systems:

  • Windows 7

  • Windows 7 Service Pack 1 (SP1)

  • Windows Server 2008 R2

  • Windows Server 2008 R2 Service Pack 1 (SP1)

For more information about how to obtain a Windows 7 or Windows Server 2008 R2 service pack, click the following article number to view the article in the Microsoft Knowledge Base:

976932 Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2

Registry information

To apply this hotfix, 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 7 and 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
    0.21xxx

    Windows 7 and Windows Server 2008 R2

    RTM

    LDR

    6.1.760
    1.22xxx

    Windows 7 and 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 7 and for Windows Server 2008 R2" section. 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, for which the attributes are not listed, are signed with a Microsoft digital signature.

For all supported x86-based versions of Windows 7

File name

File version

File size

Date

Time

Platform

Profsvc.dll

6.1.7600.21271

168,960

14-Jul-2012

04:32

x86

Profsvc.dll

6.1.7601.22056

175,104

14-Jul-2012

04:14

x86

For all supported x64-based versions of Windows 7 and of Windows Server 2008 R2

File name

File version

File size

Date

Time

Platform

Profsvc.dll

6.1.7600.21271

216,064

14-Jul-2012

05:20

x64

Profsvc.dll

6.1.7601.22056

223,232

14-Jul-2012

05:11

x64

For all supported IA-64-based versions of Windows Server 2008 R2

File name

File version

File size

Date

Time

Platform

Profsvc.dll

6.1.7600.21271

462,336

14-Jul-2012

05:14

IA-64

Profsvc.dll

6.1.7601.22056

476,160

14-Jul-2012

04:11

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

Additional file information for Windows 7 and for Windows Server 2008 R2

Additional files for all supported x86-based versions of Windows 7

File name

Update.mum

File version

Not Applicable

File size

2,342

Date (UTC)

17-Sep-2012

Time (UTC)

12:40

Platform

Not Applicable

File name

X86_12e2ab53b586c67905d351265454abb2_31bf3856ad364e35_6.1.7601.22056_none_947255a92206eb1d.manifest

File version

Not Applicable

File size

695

Date (UTC)

17-Sep-2012

Time (UTC)

12:40

Platform

Not Applicable

File name

X86_f248ef784d5e4c84e0da60915c27a6ab_31bf3856ad364e35_6.1.7600.21271_none_97791c4c3ae1b636.manifest

File version

Not Applicable

File size

695

Date (UTC)

17-Sep-2012

Time (UTC)

12:40

Platform

Not Applicable

File name

X86_microsoft-windows-profsvc_31bf3856ad364e35_6.1.7600.21271_none_fc17fe8bad19deea.manifest

File version

Not Applicable

File size

40,206

Date (UTC)

14-Jul-2012

Time (UTC)

08:26

Platform

Not Applicable

File name

X86_microsoft-windows-profsvc_31bf3856ad364e35_6.1.7601.22056_none_fe18fcdbaa2b91a7.manifest

File version

Not Applicable

File size

40,206

Date (UTC)

14-Jul-2012

Time (UTC)

08:26

Platform

Not Applicable

Additional files for all supported x64-based versions of Windows 7 and of Windows Server 2008 R2

File name

Amd64_0f7f13306fe6a5cd124ed5585b1015bf_31bf3856ad364e35_6.1.7600.21271_none_70395f3f3bd1be96.manifest

File version

Not Applicable

File size

699

Date (UTC)

17-Sep-2012

Time (UTC)

12:40

Platform

Not Applicable

File name

Amd64_703b0a182c086380a78aab5f0c025b76_31bf3856ad364e35_6.1.7601.22056_none_a6a59a2f40f19055.manifest

File version

Not Applicable

File size

699

Date (UTC)

17-Sep-2012

Time (UTC)

12:40

Platform

Not Applicable

File name

Amd64_microsoft-windows-profsvc_31bf3856ad364e35_6.1.7600.21271_none_58369a0f65775020.manifest

File version

Not Applicable

File size

40,210

Date (UTC)

14-Jul-2012

Time (UTC)

08:34

Platform

Not Applicable

File name

Amd64_microsoft-windows-profsvc_31bf3856ad364e35_6.1.7601.22056_none_5a37985f628902dd.manifest

File version

Not Applicable

File size

40,210

Date (UTC)

14-Jul-2012

Time (UTC)

08:34

Platform

Not Applicable

File name

Update.mum

File version

Not Applicable

File size

2,780

Date (UTC)

17-Sep-2012

Time (UTC)

12:40

Platform

Not Applicable

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

File name

Ia64_9d517e4e12dc2673563a046906a1b78a_31bf3856ad364e35_6.1.7601.22056_none_bce230339ba2962d.manifest

File version

Not Applicable

File size

697

Date (UTC)

17-Sep-2012

Time (UTC)

12:40

Platform

Not Applicable

File name

Ia64_c6b922ae0c7739ac1b55c6bf6d032b0e_31bf3856ad364e35_6.1.7600.21271_none_cd8b2e8c87f10871.manifest

File version

Not Applicable

File size

697

Date (UTC)

17-Sep-2012

Time (UTC)

12:40

Platform

Not Applicable

File name

Ia64_microsoft-windows-profsvc_31bf3856ad364e35_6.1.7600.21271_none_fc19a281ad17e7e6.manifest

File version

Not Applicable

File size

40,208

Date (UTC)

14-Jul-2012

Time (UTC)

08:16

Platform

Not Applicable

File name

Ia64_microsoft-windows-profsvc_31bf3856ad364e35_6.1.7601.22056_none_fe1aa0d1aa299aa3.manifest

File version

Not Applicable

File size

40,208

Date (UTC)

14-Jul-2012

Time (UTC)

08:16

Platform

Not Applicable

File name

Update.mum

File version

Not Applicable

File size

1,947

Date (UTC)

17-Sep-2012

Time (UTC)

12:40

Platform

Not Applicable

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