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Not sure if this is the right fix? We've added this issue to our memory dump diagnostic which can confirm.

Symptoms

Consider the following scenario:

  • You run the Windows Remote Management (WS-Management) service on a computer that is running Windows 7 or Windows Server 2008 R2.

  • You have an application or service that uses the WSMan event forwarding to collect events on the computer.

  • You configure the Client Certificate-basedauthentication method on the computer.

In this scenario, the memory usage of the WS-Management service keeps increasing. After a while, the available memory is exhausted on the computer. Therefore, the application or service that is running on the computer crashes or stops responding.

Note The WS-Management service runs in a Svchost.exe process. To obtain the ID of the svchost.exe process, type the following command at a command prompt, and then press ENTER:

tasklist -svc

Cause

This issue occurs because the WSMan provider does not release allocated memory for some variables when the provider handles certificate authentication requests.

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 this specific problem.

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, submit a request to 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.

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 a 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 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 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, SR_Level (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table.

    Version

    Product

    SR_Level

    Service branch

    6.1.760
    0.
    16xxx

    Windows 7 and Windows Server 2008 R2

    RTM

    GDR

    6.1.760
    0.
    20xxx

    Windows 7 and Windows Server 2008 R2

    RTM

    LDR

    6.1.760
    1.
    21xxx

    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 Server 2008 R2 and for Windows 7" 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 7

File name

File version

File size

Date

Time

Platform

Winrm.cmd

Not applicable

35

10-Jun-2009

21:40

Not applicable

Winrm.vbs

Not applicable

201,034

10-Jun-2009

21:40

Not applicable

Wsmanconfig_schema.xml

Not applicable

4,675

10-Jun-2009

21:40

Not applicable

Wsmanhttpconfig.exe

6.1.7600.20919

198,656

09-Mar-2011

05:48

x86

Wsmanmigrationplugin.dll

6.1.7600.20919

248,832

09-Mar-2011

05:53

x86

Wsmauto.dll

6.1.7600.20919

145,920

09-Mar-2011

05:53

x86

Wsmauto.mof

Not applicable

4,430

10-Jun-2009

21:40

Not applicable

Wsmplpxy.dll

6.1.7600.16385

10,752

14-Jul-2009

01:16

x86

Wsmprovhost.exe

6.1.7600.16385

12,288

14-Jul-2009

01:14

x86

Wsmpty.xsl

Not applicable

1,559

10-Jun-2009

21:40

Not applicable

Wsmres.dll

6.1.7600.16385

54,272

14-Jul-2009

01:11

x86

Wsmsvc.dll

6.1.7600.20919

1,176,064

09-Mar-2011

05:53

x86

Wsmtxt.xsl

Not applicable

2,426

10-Jun-2009

21:40

Not applicable

Wsmwmipl.dll

6.1.7600.20919

213,504

09-Mar-2011

05:53

x86

Winrm.cmd

Not applicable

35

10-Jun-2009

21:40

Not applicable

Winrm.vbs

Not applicable

201,034

10-Jun-2009

21:40

Not applicable

Wsmanconfig_schema.xml

Not applicable

4,675

10-Jun-2009

21:40

Not applicable

Wsmanhttpconfig.exe

6.1.7601.21678

198,656

09-Mar-2011

05:25

x86

Wsmanmigrationplugin.dll

6.1.7601.21678

248,832

09-Mar-2011

05:32

x86

Wsmauto.dll

6.1.7601.21678

145,920

09-Mar-2011

05:32

x86

Wsmauto.mof

Not applicable

4,430

10-Jun-2009

21:40

Not applicable

Wsmplpxy.dll

6.1.7600.16385

10,752

14-Jul-2009

01:16

x86

Wsmprovhost.exe

6.1.7600.16385

12,288

14-Jul-2009

01:14

x86

Wsmpty.xsl

Not applicable

1,559

10-Jun-2009

21:40

Not applicable

Wsmres.dll

6.1.7600.16385

54,272

14-Jul-2009

01:11

x86

Wsmsvc.dll

6.1.7601.21678

1,176,576

09-Mar-2011

05:32

x86

Wsmtxt.xsl

Not applicable

2,426

10-Jun-2009

21:40

Not applicable

Wsmwmipl.dll

6.1.7601.21678

214,016

09-Mar-2011

05:32

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

Winrm.cmd

Not applicable

35

10-Jun-2009

21:00

Not applicable

Winrm.vbs

Not applicable

201,034

10-Jun-2009

21:00

Not applicable

Wsmanconfig_schema.xml

Not applicable

4,675

10-Jun-2009

21:00

Not applicable

Wsmanhttpconfig.exe

6.1.7600.20919

266,240

09-Mar-2011

06:20

x64

Wsmanmigrationplugin.dll

6.1.7600.20919

346,112

09-Mar-2011

06:28

x64

Wsmauto.dll

6.1.7600.20919

181,248

09-Mar-2011

06:28

x64

Wsmauto.mof

Not applicable

4,430

10-Jun-2009

21:00

Not applicable

Wsmplpxy.dll

6.1.7600.16385

13,312

14-Jul-2009

01:41

x64

Wsmprovhost.exe

6.1.7600.16385

13,824

14-Jul-2009

01:39

x64

Wsmpty.xsl

Not applicable

1,559

10-Jun-2009

21:00

Not applicable

Wsmres.dll

6.1.7600.16385

54,272

14-Jul-2009

01:34

x64

Wsmsvc.dll

6.1.7600.20919

2,019,328

09-Mar-2011

06:28

x64

Wsmtxt.xsl

Not applicable

2,426

10-Jun-2009

21:00

Not applicable

Wsmwmipl.dll

6.1.7600.20919

309,760

09-Mar-2011

06:28

x64

Winrm.cmd

Not applicable

35

10-Jun-2009

21:00

Not applicable

Winrm.vbs

Not applicable

201,034

10-Jun-2009

21:00

Not applicable

Wsmanconfig_schema.xml

Not applicable

4,675

10-Jun-2009

21:00

Not applicable

Wsmanhttpconfig.exe

6.1.7601.21678

266,240

09-Mar-2011

06:11

x64

Wsmanmigrationplugin.dll

6.1.7601.21678

346,624

09-Mar-2011

06:16

x64

Wsmauto.dll

6.1.7601.21678

181,248

09-Mar-2011

06:16

x64

Wsmauto.mof

Not applicable

4,430

10-Jun-2009

21:00

Not applicable

Wsmplpxy.dll

6.1.7600.16385

13,312

14-Jul-2009

01:41

x64

Wsmprovhost.exe

6.1.7600.16385

13,824

14-Jul-2009

01:39

x64

Wsmpty.xsl

Not applicable

1,559

10-Jun-2009

21:00

Not applicable

Wsmres.dll

6.1.7600.16385

54,272

14-Jul-2009

01:34

x64

Wsmsvc.dll

6.1.7601.21678

2,020,352

09-Mar-2011

06:16

x64

Wsmtxt.xsl

Not applicable

2,426

10-Jun-2009

21:00

Not applicable

Wsmwmipl.dll

6.1.7601.21678

310,272

09-Mar-2011

06:16

x64

Winrm.cmd

Not applicable

35

10-Jun-2009

21:40

Not applicable

Winrm.vbs

Not applicable

201,034

10-Jun-2009

21:40

Not applicable

Wsmanconfig_schema.xml

Not applicable

4,675

10-Jun-2009

21:40

Not applicable

Wsmanhttpconfig.exe

6.1.7600.20919

198,656

09-Mar-2011

05:48

x86

Wsmanmigrationplugin.dll

6.1.7600.20919

248,832

09-Mar-2011

05:53

x86

Wsmauto.dll

6.1.7600.20919

145,920

09-Mar-2011

05:53

x86

Wsmauto.mof

Not applicable

4,430

10-Jun-2009

21:40

Not applicable

Wsmplpxy.dll

6.1.7600.16385

10,752

14-Jul-2009

01:16

x86

Wsmprovhost.exe

6.1.7600.16385

12,288

14-Jul-2009

01:14

x86

Wsmpty.xsl

Not applicable

1,559

10-Jun-2009

21:40

Not applicable

Wsmres.dll

6.1.7600.16385

54,272

14-Jul-2009

01:11

x86

Wsmsvc.dll

6.1.7600.20919

1,176,064

09-Mar-2011

05:53

x86

Wsmtxt.xsl

Not applicable

2,426

10-Jun-2009

21:40

Not applicable

Wsmwmipl.dll

6.1.7600.20919

213,504

09-Mar-2011

05:53

x86

Winrm.cmd

Not applicable

35

10-Jun-2009

21:40

Not applicable

Winrm.vbs

Not applicable

201,034

10-Jun-2009

21:40

Not applicable

Wsmanconfig_schema.xml

Not applicable

4,675

10-Jun-2009

21:40

Not applicable

Wsmanhttpconfig.exe

6.1.7601.21678

198,656

09-Mar-2011

05:25

x86

Wsmanmigrationplugin.dll

6.1.7601.21678

248,832

09-Mar-2011

05:32

x86

Wsmauto.dll

6.1.7601.21678

145,920

09-Mar-2011

05:32

x86

Wsmauto.mof

Not applicable

4,430

10-Jun-2009

21:40

Not applicable

Wsmplpxy.dll

6.1.7600.16385

10,752

14-Jul-2009

01:16

x86

Wsmprovhost.exe

6.1.7600.16385

12,288

14-Jul-2009

01:14

x86

Wsmpty.xsl

Not applicable

1,559

10-Jun-2009

21:40

Not applicable

Wsmres.dll

6.1.7600.16385

54,272

14-Jul-2009

01:11

x86

Wsmsvc.dll

6.1.7601.21678

1,176,576

09-Mar-2011

05:32

x86

Wsmtxt.xsl

Not applicable

2,426

10-Jun-2009

21:40

Not applicable

Wsmwmipl.dll

6.1.7601.21678

214,016

09-Mar-2011

05:32

x86

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

File name

File version

File size

Date

Time

Platform

Winrm.cmd

Not applicable

35

10-Jun-2009

21:07

Not applicable

Winrm.vbs

Not applicable

201,034

10-Jun-2009

21:07

Not applicable

Wsmanconfig_schema.xml

Not applicable

4,675

10-Jun-2009

21:07

Not applicable

Wsmanhttpconfig.exe

6.1.7600.20919

517,120

09-Mar-2011

05:13

IA-64

Wsmanmigrationplugin.dll

6.1.7600.20919

671,744

09-Mar-2011

05:17

IA-64

Wsmauto.dll

6.1.7600.20919

392,192

09-Mar-2011

05:17

IA-64

Wsmauto.mof

Not applicable

4,430

10-Jun-2009

21:06

Not applicable

Wsmplpxy.dll

6.1.7600.16385

21,504

14-Jul-2009

01:50

IA-64

Wsmprovhost.exe

6.1.7600.16385

34,304

14-Jul-2009

01:45

IA-64

Wsmpty.xsl

Not applicable

1,559

10-Jun-2009

21:07

Not applicable

Wsmres.dll

6.1.7600.16385

54,272

14-Jul-2009

01:43

IA-64

Wsmsvc.dll

6.1.7600.20919

3,575,808

09-Mar-2011

05:17

IA-64

Wsmtxt.xsl

Not applicable

2,426

10-Jun-2009

21:07

Not applicable

Wsmwmipl.dll

6.1.7600.20919

611,328

09-Mar-2011

05:17

IA-64

Winrm.cmd

Not applicable

35

10-Jun-2009

21:07

Not applicable

Winrm.vbs

Not applicable

201,034

10-Jun-2009

21:07

Not applicable

Wsmanconfig_schema.xml

Not applicable

4,675

10-Jun-2009

21:07

Not applicable

Wsmanhttpconfig.exe

6.1.7601.21678

517,120

09-Mar-2011

05:07

IA-64

Wsmanmigrationplugin.dll

6.1.7601.21678

671,744

09-Mar-2011

05:15

IA-64

Wsmauto.dll

6.1.7601.21678

392,192

09-Mar-2011

05:15

IA-64

Wsmauto.mof

Not applicable

4,430

10-Jun-2009

21:06

Not applicable

Wsmplpxy.dll

6.1.7600.16385

21,504

14-Jul-2009

01:50

IA-64

Wsmprovhost.exe

6.1.7600.16385

34,304

14-Jul-2009

01:45

IA-64

Wsmpty.xsl

Not applicable

1,559

10-Jun-2009

21:07

Not applicable

Wsmres.dll

6.1.7600.16385

54,272

14-Jul-2009

01:43

IA-64

Wsmsvc.dll

6.1.7601.21678

3,576,832

09-Mar-2011

05:15

IA-64

Wsmtxt.xsl

Not applicable

2,426

10-Jun-2009

21:07

Not applicable

Wsmwmipl.dll

6.1.7601.21678

611,328

09-Mar-2011

05:15

IA-64

Winrm.cmd

Not applicable

35

10-Jun-2009

21:40

Not applicable

Winrm.vbs

Not applicable

201,034

10-Jun-2009

21:40

Not applicable

Wsmanconfig_schema.xml

Not applicable

4,675

10-Jun-2009

21:40

Not applicable

Wsmanhttpconfig.exe

6.1.7600.20919

198,656

09-Mar-2011

05:48

x86

Wsmanmigrationplugin.dll

6.1.7600.20919

248,832

09-Mar-2011

05:53

x86

Wsmauto.dll

6.1.7600.20919

145,920

09-Mar-2011

05:53

x86

Wsmauto.mof

Not applicable

4,430

10-Jun-2009

21:40

Not applicable

Wsmplpxy.dll

6.1.7600.16385

10,752

14-Jul-2009

01:16

x86

Wsmprovhost.exe

6.1.7600.16385

12,288

14-Jul-2009

01:14

x86

Wsmpty.xsl

Not applicable

1,559

10-Jun-2009

21:40

Not applicable

Wsmres.dll

6.1.7600.16385

54,272

14-Jul-2009

01:11

x86

Wsmsvc.dll

6.1.7600.20919

1,176,064

09-Mar-2011

05:53

x86

Wsmtxt.xsl

Not applicable

2,426

10-Jun-2009

21:40

Not applicable

Wsmwmipl.dll

6.1.7600.20919

213,504

09-Mar-2011

05:53

x86

Winrm.cmd

Not applicable

35

10-Jun-2009

21:40

Not applicable

Winrm.vbs

Not applicable

201,034

10-Jun-2009

21:40

Not applicable

Wsmanconfig_schema.xml

Not applicable

4,675

10-Jun-2009

21:40

Not applicable

Wsmanhttpconfig.exe

6.1.7601.21678

198,656

09-Mar-2011

05:25

x86

Wsmanmigrationplugin.dll

6.1.7601.21678

248,832

09-Mar-2011

05:32

x86

Wsmauto.dll

6.1.7601.21678

145,920

09-Mar-2011

05:32

x86

Wsmauto.mof

Not applicable

4,430

10-Jun-2009

21:40

Not applicable

Wsmplpxy.dll

6.1.7600.16385

10,752

14-Jul-2009

01:16

x86

Wsmprovhost.exe

6.1.7600.16385

12,288

14-Jul-2009

01:14

x86

Wsmpty.xsl

Not applicable

1,559

10-Jun-2009

21:40

Not applicable

Wsmres.dll

6.1.7600.16385

54,272

14-Jul-2009

01:11

x86

Wsmsvc.dll

6.1.7601.21678

1,176,576

09-Mar-2011

05:32

x86

Wsmtxt.xsl

Not applicable

2,426

10-Jun-2009

21:40

Not applicable

Wsmwmipl.dll

6.1.7601.21678

214,016

09-Mar-2011

05:32

x86

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

X86_53bc7e4ff1707328e07f7d594ae3cd9f_31bf3856ad364e35_6.1.7600.20919_none_41e25187d4fa983f.manifest

File version

Not applicable

File size

720

Date (UTC)

10-Mar-2011

Time (UTC)

00:35

File name

X86_e6216245267a6b93c744e0791dab2cc4_31bf3856ad364e35_6.1.7601.21678_none_412f1cbe90e63d76.manifest

File version

Not applicable

File size

720

Date (UTC)

10-Mar-2011

Time (UTC)

00:35

File name

X86_microsoft-windows-w..for-management-core_31bf3856ad364e35_6.1.7600.20919_none_cb152268273c9518.manifest

File version

Not applicable

File size

191,904

Date (UTC)

10-Mar-2011

Time (UTC)

00:37

File name

X86_microsoft-windows-w..for-management-core_31bf3856ad364e35_6.1.7601.21678_none_ccb99db62494922c.manifest

File version

Not applicable

File size

191,904

Date (UTC)

10-Mar-2011

Time (UTC)

00:37

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

File name

Amd64_441f127c2f10b2cfd5d654c029b0f912_31bf3856ad364e35_6.1.7601.21678_none_dd7b65a0ec9c62f8.manifest

File version

Not applicable

File size

1,090

Date (UTC)

10-Mar-2011

Time (UTC)

00:35

File name

Amd64_f4876633cf839cabde76be5b2468fa2e_31bf3856ad364e35_6.1.7600.20919_none_0d825c3b334fc9fe.manifest

File version

Not applicable

File size

1,090

Date (UTC)

10-Mar-2011

Time (UTC)

00:35

File name

Amd64_microsoft-windows-w..for-management-core_31bf3856ad364e35_6.1.7600.20919_none_2733bdebdf9a064e.manifest

File version

Not applicable

File size

191,908

Date (UTC)

10-Mar-2011

Time (UTC)

00:40

File name

Amd64_microsoft-windows-w..for-management-core_31bf3856ad364e35_6.1.7601.21678_none_28d83939dcf20362.manifest

File version

Not applicable

File size

191,908

Date (UTC)

10-Mar-2011

Time (UTC)

00:40

File name

Wow64_microsoft-windows-w..for-management-core_31bf3856ad364e35_6.1.7600.20919_none_3188683e13fac849.manifest

File version

Not applicable

File size

75,910

Date (UTC)

10-Mar-2011

Time (UTC)

00:40

File name

Wow64_microsoft-windows-w..for-management-core_31bf3856ad364e35_6.1.7601.21678_none_332ce38c1152c55d.manifest

File version

Not applicable

File size

75,910

Date (UTC)

10-Mar-2011

Time (UTC)

00:40

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

File name

Ia64_3042f52f11643d79456c9ae0c3b47b94_31bf3856ad364e35_6.1.7600.20919_none_7a4b7c449e805ff8.manifest

File version

Not applicable

File size

1,088

Date (UTC)

10-Mar-2011

Time (UTC)

00:35

File name

Ia64_527ca1909648545e8cfb913a6973ecd8_31bf3856ad364e35_6.1.7601.21678_none_5f8c8d59c3c06e54.manifest

File version

Not applicable

File size

1,088

Date (UTC)

10-Mar-2011

Time (UTC)

00:35

File name

Ia64_microsoft-windows-w..for-management-core_31bf3856ad364e35_6.1.7600.20919_none_cb16c65e273a9e14.manifest

File version

Not applicable

File size

191,906

Date (UTC)

10-Mar-2011

Time (UTC)

00:35

File name

Ia64_microsoft-windows-w..for-management-core_31bf3856ad364e35_6.1.7601.21678_none_ccbb41ac24929b28.manifest

File version

Not applicable

File size

191,906

Date (UTC)

10-Mar-2011

Time (UTC)

00:35

File name

Wow64_microsoft-windows-w..for-management-core_31bf3856ad364e35_6.1.7600.20919_none_3188683e13fac849.manifest

File version

Not applicable

File size

75,910

Date (UTC)

10-Mar-2011

Time (UTC)

00:35

File name

Wow64_microsoft-windows-w..for-management-core_31bf3856ad364e35_6.1.7601.21678_none_332ce38c1152c55d.manifest

File version

Not applicable

File size

75,910

Date (UTC)

10-Mar-2011

Time (UTC)

00:35

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