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Symptoms


Consider the following scenario:

  • You install Internet Information Services (IIS) 7 or a later version on a computer that is running Windows Vista, Windows Server 2008, Windows 7, Windows Server 2008 R2, Windows 8, or Windows Server 2012.

  • You install the IIS Client Certificate Mapping module.

  • You configure client certificate mappings and certificate mapping rules on the computer.
    Note You can use client certificates for user authentication purposes. For more information about this, go to the "References" section.

  • The client certificate field (compared with the matchCriteria property) is a string that is longer than 64 characters and that includes the terminating NULL. For example, the name of the user ("Issued to") is a string that contains more than 64 characters.

In this scenario, the certificate mapping rule does not work correctly.

Cause

This issue occurs because the Authmap.dll file has a buffer for the client certificate field that compares with the matchCriteria property and that equals 64 characters. When the client certificate field contains more than 64 characters, only the first 64 characters are compared with the string that is set in the matchCriteria property.

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 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 2 (SP2)

  • Windows Server 2008 SP2

  • Windows 7 SP1

  • Windows Server 2008 R2

  • Windows 8

  • Windows Server 2012

Registry information

To apply this hotfix, you do not have to make any changes to the registry.

Restart requirement

You do not have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

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 Server 2008 and Windows Vista file information and 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
    2.
    23xxx

    Windows Server 2008 and Windows Vista

    SP2

    LDR

  • GDR service branches contain only those fixes that are widely released to address widespread, extremely important issues. LDR service branches contain hotfixes in addition to widely released fixes.

  • 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" 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 Windows Vista

File name

File version

File size

Date

Time

Platform

Authmap.dll

7.0.6002.23302

40,960

13-Jan-2014

08:49

x86

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

File name

File version

File size

Date

Time

Platform

Authmap.dll

7.0.6002.23302

46,080

13-Jan-2014

09:53

x64

Authmap.dll

7.0.6002.23302

40,960

13-Jan-2014

08:49

x86

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

File name

File version

File size

Date

Time

Platform

Authmap.dll

7.0.6002.23302

99,328

13-Jan-2014

07:11

IA-64

Authmap.dll

7.0.6002.23302

40,960

13-Jan-2014

08:49

x86

Windows 7 and Windows Server 2008 R2 file information and 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
    1.
    22xxx

    Windows 7 and Windows Server 2008 R2

    SP1

    LDR

  • GDR service branches contain only those fixes that are widely released to address widespread, extremely important issues. LDR service branches contain hotfixes in addition to widely released fixes.

  • 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 Windows Server 2008 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 7

File name

File version

File size

Date

Time

Platform

Authmap.dll

7.5.7601.22565

41,472

13-Jan-2014

08:27

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

Authmap.dll

7.5.7601.22565

46,080

13-Jan-2014

09:03

x64

Authmap.dll

7.5.7601.22565

41,472

13-Jan-2014

08:27

x86

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

File name

File version

File size

Date

Time

Platform

Authmap.dll

7.5.7601.22565

99,840

13-Jan-2014

08:15

IA-64

Authmap.dll

7.5.7601.22565

41,472

13-Jan-2014

08:27

x86

Windows 8 and Windows Server 2012 file information and notes

Important 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 0.16 xxx

    Windows 8 and Windows Server 2012

    RTM

    GDR

    6.2.920 0.20 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

Authmap.dll

8.0.9200.20914

35,328

13-Jan-2014

23:32

x86

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

File name

File version

File size

Date

Time

Platform

Authmap.dll

8.0.9200.20914

40,960

13-Jan-2014

23:29

x64

Authmap.dll

8.0.9200.20914

35,328

13-Jan-2014

23:32

x86


Status

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

Additional file information for Windows Server 2008 and Windows Vista

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

File property

Value

File name

X86_daa5c6bbb4b2063a442e12b3916c58c4_31bf3856ad364e35_6.0.6002.23302_none_0af0e037bb7d09d5.manifest

File version

Not applicable

File size

727

Date (UTC)

13-Jan-2014

Time (UTC)

20:17

File name

X86_microsoft-windows-i..ppingauthentication_31bf3856ad364e35_6.0.6002.23302_none_ff9498919532ca12.manifest

File version

Not applicable

File size

6,378

Date (UTC)

13-Jan-2014

Time (UTC)

09:38

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

File property

Value

File name

Amd64_bdb5cc535e39bcc3bc538946268bd1ac_31bf3856ad364e35_6.0.6002.23302_none_0c76b87bdf378a72.manifest

File version

Not applicable

File size

1,104

Date (UTC)

13-Jan-2014

Time (UTC)

20:17

File name

Amd64_microsoft-windows-i..ppingauthentication_31bf3856ad364e35_6.0.6002.23302_none_5bb334154d903b48.manifest

File version

Not applicable

File size

6,394

Date (UTC)

13-Jan-2014

Time (UTC)

10:52

File name

Wow64_microsoft-windows-i..ppingauthentication_31bf3856ad364e35_6.0.6002.23302_none_6607de6781f0fd43.manifest

File version

Not applicable

File size

3,715

Date (UTC)

13-Jan-2014

Time (UTC)

09:32

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

File property

Value

File name

Ia64_86fc2a4aa1f20561d47d8d726161e2ac_31bf3856ad364e35_6.0.6002.23302_none_c2ad4ae08d01ea97.manifest

File version

Not applicable

File size

1,102

Date (UTC)

13-Jan-2014

Time (UTC)

20:17

File name

Ia64_microsoft-windows-i..ppingauthentication_31bf3856ad364e35_6.0.6002.23302_none_ff963c879530d30e.manifest

File version

Not applicable

File size

6,386

Date (UTC)

13-Jan-2014

Time (UTC)

08:19

File name

Wow64_microsoft-windows-i..ppingauthentication_31bf3856ad364e35_6.0.6002.23302_none_6607de6781f0fd43.manifest

File version

Not applicable

File size

3,715

Date (UTC)

13-Jan-2014

Time (UTC)

09:32

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

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

File property

Value

File name

X86_544e1f761cfff684032b38e6053a9b79_31bf3856ad364e35_6.1.7601.22565_none_2d0d577c1989e947.manifest

File version

Not applicable

File size

735

Date (UTC)

13-Jan-2014

Time (UTC)

21:01

File name

X86_microsoft-windows-i..henticationbinaries_31bf3856ad364e35_6.1.7601.22565_none_e0440fa220029152.manifest

File version

Not applicable

File size

3,449

Date (UTC)

13-Jan-2014

Time (UTC)

09:02

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

File property

Value

File name

Amd64_43b9998ec531f5dd586f259a984fe593_31bf3856ad364e35_6.1.7601.22565_none_7279bbad2a4bcc43.manifest

File version

Not applicable

File size

1,120

Date (UTC)

13-Jan-2014

Time (UTC)

21:01

File name

Amd64_microsoft-windows-i..henticationbinaries_31bf3856ad364e35_6.1.7601.22565_none_3c62ab25d8600288.manifest

File version

Not applicable

File size

3,455

Date (UTC)

13-Jan-2014

Time (UTC)

10:11

File name

Wow64_microsoft-windows-i..henticationbinaries_31bf3856ad364e35_6.1.7601.22565_none_46b755780cc0c483.manifest

File version

Not applicable

File size

3,086

Date (UTC)

13-Jan-2014

Time (UTC)

08:42

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

File property

Value

File name

Ia64_b870cb9d125a082c9c0b839dafdf60a4_31bf3856ad364e35_6.1.7601.22565_none_d2740abf6030d241.manifest

File version

Not applicable

File size

1,118

Date (UTC)

13-Jan-2014

Time (UTC)

21:01

File name

Ia64_microsoft-windows-i..henticationbinaries_31bf3856ad364e35_6.1.7601.22565_none_e045b39820009a4e.manifest

File version

Not applicable

File size

3,452

Date (UTC)

13-Jan-2014

Time (UTC)

08:49

File name

Wow64_microsoft-windows-i..henticationbinaries_31bf3856ad364e35_6.1.7601.22565_none_46b755780cc0c483.manifest

File version

Not applicable

File size

3,086

Date (UTC)

13-Jan-2014

Time (UTC)

08:42

Additional file information for Windows 8 and for Windows Server 2012

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

File property

Value

File name

X86_fb9a7717891903a72ac0b9ce38d6973f_31bf3856ad364e35_6.2.9200.20915_none_e1bf6fe547a4c652.manifest

File version

Not applicable

File size

735

Date (UTC)

14-Jan-2014

Time (UTC)

13:37

File name

X86_microsoft-windows-i..henticationbinaries_31bf3856ad364e35_6.2.9200.20915_none_db6992d392c5c305.manifest

File version

Not applicable

File size

3,119

Date (UTC)

14-Jan-2014

Time (UTC)

00:14

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

File property

Value

File name

Amd64_9bef2a3d3d3d41d70961db18e70585d8_31bf3856ad364e35_6.2.9200.20915_none_747c6a72bdee4a66.manifest

File version

Not applicable

File size

1,120

Date (UTC)

14-Jan-2014

Time (UTC)

13:38

File name

Amd64_microsoft-windows-i..henticationbinaries_31bf3856ad364e35_6.2.9200.20915_none_37882e574b23343b.manifest

File version

Not applicable

File size

3,125

Date (UTC)

14-Jan-2014

Time (UTC)

02:13

File name

Wow64_microsoft-windows-i..henticationbinaries_31bf3856ad364e35_6.2.9200.20915_none_41dcd8a97f83f636.manifest

File version

Not applicable

File size

3,125

Date (UTC)

13-Jan-2014

Time (UTC)

23:57



References

For more information about how to configure Many-to-One client certificate mapping for IIS 7 and IIS 7.5, go to the following Microsoft website:

How to configure Many-to-One client certificate mapping for IIS 7 and IIS 7.5 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

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