Symptoms

Consider the following scenario:

  • You run a Microsoft Office 2010 application on a computer that is running Windows 7 or Windows Server 2008 R2.

  • You try to open or save a document that is located on a Web Distributed Authoring and Versioning (WebDAV) file server.

  • The WebDAV file server requires a smart card certificate for certificate authentication.

  • You select the correct certificate after you insert the smart card.

In this scenario, the PIN dialog box does not appear, and the operation fails. Additionally, the Office application and the Webclient service stop responding.

Notes This issue occurs when a private key is held on the smart card and a PIN is required.

Resolution

This hotfix is also available at Microsoft Update Catalog.

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, 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

To apply this hotfix, you must be running Windows 7 Service Pack 1 (SP1) or 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
    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 7 and for Windows Server 2008 R2" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are very important for 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

Davclnt.dll

6.1.7601.22124

87,552

03-Oct-2012

16:26

x86

Mrxdav.sys

6.1.7601.22124

116,224

03-Oct-2012

14:32

x86

Webclnt.dll

6.1.7601.22124

206,848

03-Oct-2012

16:31

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

Davclnt.dll

6.1.7601.22124

110,592

03-Oct-2012

17:30

x64

Mrxdav.sys

6.1.7601.22124

141,312

03-Oct-2012

15:00

x64

Webclnt.dll

6.1.7601.22124

262,656

03-Oct-2012

17:35

x64

Mrxdav.sys

6.1.7601.22124

116,224

03-Oct-2012

14:32

x86

Davclnt.dll

6.1.7601.22124

87,552

03-Oct-2012

16:26

x86

Webclnt.dll

6.1.7601.22124

206,848

03-Oct-2012

16:31

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_4aaf168eee69fae51ff5ce6565bbb4b4_31bf3856ad364e35_6.1.7601.22124_none_034279a8ed0b9869.manifest

File version

Not Applicable

File size

709

Date (UTC)

04-Oct-2012

Time (UTC)

07:30

Platform

Not Applicable

File name

X86_90000bd3a02dac1d8b762e3c6246c5e1_31bf3856ad364e35_6.1.7601.22124_none_33b825b1d0e614d7.manifest

File version

Not Applicable

File size

718

Date (UTC)

04-Oct-2012

Time (UTC)

07:30

Platform

Not Applicable

File name

X86_bd9168b6fc9398f953206de4034d140c_31bf3856ad364e35_6.1.7601.22124_none_fb91a9a14a1df8aa.manifest

File version

Not Applicable

File size

1,059

Date (UTC)

04-Oct-2012

Time (UTC)

07:30

Platform

Not Applicable

File name

X86_microsoft-windows-webdavredir-davclient_31bf3856ad364e35_6.1.7601.22124_none_96537fc3c9a73728.manifest

File version

Not Applicable

File size

4,113

Date (UTC)

03-Oct-2012

Time (UTC)

17:03

Platform

Not Applicable

File name

X86_microsoft-windows-webdavredir-mrxdav_31bf3856ad364e35_6.1.7601.22124_none_1730fbbc3d23a13e.manifest

File version

Not Applicable

File size

12,632

Date (UTC)

03-Oct-2012

Time (UTC)

16:58

Platform

Not Applicable

File name

X86_microsoft-windows-webdavredir-webclient_31bf3856ad364e35_6.1.7601.22124_none_57abe0412b19a025.manifest

File version

Not Applicable

File size

2,413

Date (UTC)

03-Oct-2012

Time (UTC)

17:04

Platform

Not Applicable

File name

X86_webdav-enable-ctl-a..rt-selection-regkey_31bf3856ad364e35_6.1.7601.22124_none_42e2abbb20291ede.manifest

File version

Not Applicable

File size

1,619

Date (UTC)

03-Oct-2012

Time (UTC)

16:58

Platform

Not Applicable

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

File name

Amd64_1ec701ca573c9619bc05b76ff0f1b36b_31bf3856ad364e35_6.1.7601.22124_none_4a41ae8a3c2621fe.manifest

File version

Not Applicable

File size

722

Date (UTC)

04-Oct-2012

Time (UTC)

07:30

Platform

Not Applicable

File name

Amd64_31fa26d1799ff2d65909b780b4de2f5d_31bf3856ad364e35_6.1.7601.22124_none_1d16a2609ef84d14.manifest

File version

Not Applicable

File size

713

Date (UTC)

04-Oct-2012

Time (UTC)

07:30

Platform

Not Applicable

File name

Amd64_4aaf168eee69fae51ff5ce6565bbb4b4_31bf3856ad364e35_6.1.7601.22124_none_5f61152ca569099f.manifest

File version

Not Applicable

File size

711

Date (UTC)

04-Oct-2012

Time (UTC)

07:30

Platform

Not Applicable

File name

Amd64_4c9759b8116aac4e7ffbebae7ec29cf8_31bf3856ad364e35_6.1.7601.22124_none_5a228f5b06a52eff.manifest

File version

Not Applicable

File size

710

Date (UTC)

04-Oct-2012

Time (UTC)

07:30

Platform

Not Applicable

File name

Amd64_8f1fbb6109bee2489366e3073ecce5a3_31bf3856ad364e35_6.1.7601.22124_none_e9c7836d2105499d.manifest

File version

Not Applicable

File size

1,418

Date (UTC)

04-Oct-2012

Time (UTC)

07:30

Platform

Not Applicable

File name

Amd64_971f01c23591b09fbcab458045eaa8fb_31bf3856ad364e35_6.1.7601.22124_none_a30f999ae3ee60f8.manifest

File version

Not Applicable

File size

1,065

Date (UTC)

04-Oct-2012

Time (UTC)

07:30

Platform

Not Applicable

File name

Amd64_a85ca99a3554e1a4856eff9eb2fb903e_31bf3856ad364e35_6.1.7601.22124_none_04fbd2e0627da523.manifest

File version

Not Applicable

File size

1,066

Date (UTC)

04-Oct-2012

Time (UTC)

07:30

Platform

Not Applicable

File name

Amd64_cc408ba25c503f369d78d03e7917432c_31bf3856ad364e35_6.1.7601.22124_none_c6a7c6be162b4013.manifest

File version

Not Applicable

File size

711

Date (UTC)

04-Oct-2012

Time (UTC)

07:30

Platform

Not Applicable

File name

Amd64_microsoft-windows-webdavredir-davclient_31bf3856ad364e35_6.1.7601.22124_none_f2721b478204a85e.manifest

File version

Not Applicable

File size

4,115

Date (UTC)

03-Oct-2012

Time (UTC)

18:07

Platform

Not Applicable

File name

Amd64_microsoft-windows-webdavredir-mrxdav_31bf3856ad364e35_6.1.7601.22124_none_734f973ff5811274.manifest

File version

Not Applicable

File size

12,634

Date (UTC)

03-Oct-2012

Time (UTC)

18:02

Platform

Not Applicable

File name

Amd64_microsoft-windows-webdavredir-webclient_31bf3856ad364e35_6.1.7601.22124_none_b3ca7bc4e377115b.manifest

File version

Not Applicable

File size

2,417

Date (UTC)

03-Oct-2012

Time (UTC)

18:08

Platform

Not Applicable

File name

Amd64_webdav-enable-ctl-a..rt-selection-regkey_31bf3856ad364e35_6.1.7601.22124_none_9f01473ed8869014.manifest

File version

Not Applicable

File size

1,621

Date (UTC)

03-Oct-2012

Time (UTC)

18:02

Platform

Not Applicable

File name

Wow64_microsoft-windows-webdavredir-mrxdav_31bf3856ad364e35_6.1.7601.22124_none_7da4419229e1d46f.manifest

File version

Not Applicable

File size

6,779

Date (UTC)

03-Oct-2012

Time (UTC)

16:50

Platform

Not Applicable

File name

X86_microsoft-windows-webdavredir-davclient_31bf3856ad364e35_6.1.7601.22124_none_96537fc3c9a73728.manifest

File version

Not Applicable

File size

4,113

Date (UTC)

03-Oct-2012

Time (UTC)

17:03

Platform

Not Applicable

File name

X86_microsoft-windows-webdavredir-webclient_31bf3856ad364e35_6.1.7601.22124_none_57abe0412b19a025.manifest

File version

Not Applicable

File size

2,413

Date (UTC)

03-Oct-2012

Time (UTC)

17:04

Platform

Not Applicable

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