You cannot download files by using the BITS service in Windows Server 2008 or in Windows Vista using certificate authentication

Support for Windows Vista Service Pack 1 (SP1) ends on July 12, 2011. To continue receiving security updates for Windows, make sure you're running Windows Vista with Service Pack 2 (SP2). For more information, refer to this Microsoft web page: Support is ending for some versions of Windows.

Symptoms

Consider the following scenario:

  • You have a computer that is running Windows Server 2008 or Windows Vista.

  • You run an application that uses the Background Intelligent Transfer Service (BITS) to download files from a server.

  • The server that hosts files requests Secure Sockets Layer (SSL) client authentication.

  • You are using certificate-based authentication.

In this scenario, you cannot download the files by using the BITS service.

Cause

This issue occurs because of an error in the BITS service.

When the BITS service receives an "ERROR_WINHTTP_CLIENT_AUTH_CERT_NEEDED" error, and no client certificate is provided, the service does not set the WINHTTP_NO_CLIENT_CERT_CONTEXT option. Therefore, the download attempt fails.

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 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 Vista Service Pack 1 (SP1)

  • Windows Vista Service Pack 2 (SP2)

  • Windows Server 2008

  • Windows Server 2008 Service Pack 2 (SP2)

For more information about how to obtain a Windows Vista service pack, click the following article number to view the article in the Microsoft Knowledge Base:

935791 How to obtain the latest Windows Vista service pack

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

968849 How to obtain the latest service pack for Windows Server 2008

Registry information

To use the hotfix in this package, you do not have to make any changes to the registry.

Restart requirement

You may have to 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 Vista and Windows Server 2008 file information notes

Important Windows Vista hotfixes and Windows Server 2008 hotfixes are included in the same packages. However, only "Windows Vista" 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 Vista" 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

    6.0.600
    1.
    22xxx

    Windows Vista and Windows Server 2008

    SP1

    LDR

    6.0.600
    2.
    22xxx

    Windows Vista and Windows Server 2008

    SP2

    LDR

  • Service Pack 1 is integrated into the release version of Windows Server 2008. Therefore, RTM milestone files apply only to Windows Vista. RTM milestone files have a 6.0.0000.xxxxx version number.

  • 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 and for Windows Vista" section. MUM files 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 Server 2008 and of Windows Vista

File name

File version

File size

Date

Time

Platform

Qmgr.dll

7.0.6001.22726

758,784

08-Jul-2010

14:52

x86

Qmgr.mof

Not applicable

2,302

04-Mar-2010

05:56

Not applicable

Qmgr.dll

7.0.6002.22444

758,784

12-Jul-2010

16:20

x86

Qmgr.mof

Not applicable

2,302

03-Apr-2009

21:14

Not applicable

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

File name

File version

File size

Date

Time

Platform

Qmgr.dll

7.0.6001.22726

1,082,368

08-Jul-2010

15:12

x64

Qmgr.mof

Not applicable

2,302

26-Feb-2010

04:14

Not applicable

Qmgr.dll

7.0.6002.22444

1,081,344

12-Jul-2010

16:18

x64

Qmgr.mof

Not applicable

2,302

03-Apr-2009

20:54

Not applicable

Qmgr.mof

Not applicable

2,302

04-Mar-2010

05:56

Not applicable

Qmgr.mof

Not applicable

2,302

03-Apr-2009

21:14

Not applicable

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

File name

File version

File size

Date

Time

Platform

Qmgr.dll

7.0.6001.22726

2,247,168

08-Jul-2010

14:51

IA-64

Qmgr.mof

Not applicable

2,302

25-Feb-2010

07:39

Not applicable

Qmgr.dll

7.0.6002.22444

2,245,120

12-Jul-2010

15:44

IA-64

Qmgr.mof

Not applicable

2,302

03-Apr-2009

20:54

Not applicable

Qmgr.mof

Not applicable

2,302

04-Mar-2010

05:56

Not applicable

Qmgr.mof

Not applicable

2,302

03-Apr-2009

21:14

Not applicable

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 Vista and for Windows Server 2008

Additional files for all supported x86-based versions of Windows Vista and of Windows Server 2008

File name

Update.mum

File version

Not applicable

File size

3,577

Date (UTC)

12-Jul-2010

Time (UTC)

23:44

Platform

Not applicable


File name

X86_7ec82c1335b677df62e1fbdb6f929cf1_31bf3856ad364e35_6.0.6001.22726_none_c0e6481ef112fef5.manifest

File version

Not applicable

File size

699

Date (UTC)

12-Jul-2010

Time (UTC)

23:44

Platform

Not applicable


File name

X86_b77125db255e06b62b81a405456813c2_31bf3856ad364e35_6.0.6002.22444_none_3298efce24016711.manifest

File version

Not applicable

File size

699

Date (UTC)

12-Jul-2010

Time (UTC)

23:44

Platform

Not applicable


File name

X86_microsoft-windows-bits-client_31bf3856ad364e35_6.0.6001.22726_none_240acf00129a6a2c.manifest

File version

Not applicable

File size

116,541

Date (UTC)

08-Jul-2010

Time (UTC)

15:10

Platform

Not applicable


File name

X86_microsoft-windows-bits-client_31bf3856ad364e35_6.0.6002.22444_none_25d9a07c0fd2c484.manifest

File version

Not applicable

File size

116,541

Date (UTC)

12-Jul-2010

Time (UTC)

17:57

Platform

Not applicable

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

File name

Amd64_55d23c45be3154bf594259f234e29798_31bf3856ad364e35_6.0.6001.22726_none_f915858d19b82863.manifest

File version

Not applicable

File size

703

Date (UTC)

12-Jul-2010

Time (UTC)

23:44

Platform

Not applicable


File name

Amd64_adcbf39bf47c3cb9a6c75e32612d0273_31bf3856ad364e35_6.0.6002.22444_none_2306b4f3070f1ef1.manifest

File version

Not applicable

File size

1,048

Date (UTC)

12-Jul-2010

Time (UTC)

23:44

Platform

Not applicable


File name

Amd64_b5776bc3b0523f7ae32cf8124545890d_31bf3856ad364e35_6.0.6001.22726_none_e71223d796b1705b.manifest

File version

Not applicable

File size

1,048

Date (UTC)

12-Jul-2010

Time (UTC)

23:44

Platform

Not applicable


File name

Amd64_microsoft-windows-bits-client_31bf3856ad364e35_6.0.6001.22726_none_80296a83caf7db62.manifest

File version

Not applicable

File size

116,597

Date (UTC)

08-Jul-2010

Time (UTC)

15:29

Platform

Not applicable


File name

Amd64_microsoft-windows-bits-client_31bf3856ad364e35_6.0.6002.22444_none_81f83bffc83035ba.manifest

File version

Not applicable

File size

116,597

Date (UTC)

12-Jul-2010

Time (UTC)

18:08

Platform

Not applicable


File name

Update.mum

File version

Not applicable

File size

3,605

Date (UTC)

12-Jul-2010

Time (UTC)

23:44

Platform

Not applicable


File name

Wow64_microsoft-windows-bits-client_31bf3856ad364e35_6.0.6001.22726_none_8a7e14d5ff589d5d.manifest

File version

Not applicable

File size

106,147

Date (UTC)

08-Jul-2010

Time (UTC)

15:00

Platform

Not applicable


File name

Wow64_microsoft-windows-bits-client_31bf3856ad364e35_6.0.6002.22444_none_8c4ce651fc90f7b5.manifest

File version

Not applicable

File size

106,147

Date (UTC)

12-Jul-2010

Time (UTC)

17:48

Platform

Not applicable

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

File name

Ia64_441752b1bba66151c37882d63da55a8f_31bf3856ad364e35_6.0.6001.22726_none_75510dbe6b6f3f37.manifest

File version

Not applicable

File size

701

Date (UTC)

12-Jul-2010

Time (UTC)

23:44

Platform

Not applicable


File name

Ia64_71c3916297a9ddd82463a590afd8f73e_31bf3856ad364e35_6.0.6002.22444_none_a5f828be55e4bba5.manifest

File version

Not applicable

File size

1,046

Date (UTC)

12-Jul-2010

Time (UTC)

23:44

Platform

Not applicable


File name

Ia64_92c17f273bf30da97ebc88e37cb29d54_31bf3856ad364e35_6.0.6001.22726_none_e1a532c64ba006b1.manifest

File version

Not applicable

File size

1,046

Date (UTC)

12-Jul-2010

Time (UTC)

23:44

Platform

Not applicable


File name

Ia64_microsoft-windows-bits-client_31bf3856ad364e35_6.0.6001.22726_none_240c72f612987328.manifest

File version

Not applicable

File size

116,569

Date (UTC)

08-Jul-2010

Time (UTC)

15:06

Platform

Not applicable


File name

Ia64_microsoft-windows-bits-client_31bf3856ad364e35_6.0.6002.22444_none_25db44720fd0cd80.manifest

File version

Not applicable

File size

116,569

Date (UTC)

12-Jul-2010

Time (UTC)

16:00

Platform

Not applicable


File name

Update.mum

File version

Not applicable

File size

2,758

Date (UTC)

12-Jul-2010

Time (UTC)

23:44

Platform

Not applicable


File name

Wow64_microsoft-windows-bits-client_31bf3856ad364e35_6.0.6001.22726_none_8a7e14d5ff589d5d.manifest

File version

Not applicable

File size

106,147

Date (UTC)

08-Jul-2010

Time (UTC)

15:00

Platform

Not applicable


File name

Wow64_microsoft-windows-bits-client_31bf3856ad364e35_6.0.6002.22444_none_8c4ce651fc90f7b5.manifest

File version

Not applicable

File size

106,147

Date (UTC)

12-Jul-2010

Time (UTC)

17:48

Platform

Not applicable

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