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Symptoms

Consider the following scenario:

  • The Certificate Autoenrollment feature is deployed in a domain environment.

  • A client computer that is running Windows 7 or Windows Server 2008 R2 receives a machine certificate through the Certificate Autoenrollment feature.

  • You change the private key permissions on the associated machine certificate.

  • The machine certificate is renewed by the Certificate Autoenrollment feature.

In this scenario, the private key permissions on the machine certificate are reset to the default values.

Note The following are the default values of the private key permissions on the machine certificate:

Group

Permission

Local System

Full Control

Administrators

Full Control

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 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 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


  • 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
    1.21xxx

    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

Certenroll.dll

6.1.7600.21062

1,322,496

01-Oct-2011

04:39

x86

Certenroll.dll

6.1.7601.21830

1,335,296

01-Oct-2011

06:03

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

Certenroll.dll

6.1.7600.21062

1,979,392

01-Oct-2011

05:29

x64

Certenroll.dll

6.1.7601.21830

1,979,392

01-Oct-2011

05:22

x64

Certenroll.dll

6.1.7600.21062

1,322,496

01-Oct-2011

04:39

x86

Certenroll.dll

6.1.7601.21830

1,335,296

01-Oct-2011

06:03

x86

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

File name

File version

File size

Date

Time

Platform

Certenroll.dll

6.1.7600.21062

3,855,360

01-Oct-2011

04:15

IA-64

Certenroll.dll

6.1.7601.21830

3,855,360

01-Oct-2011

04:14

IA-64

Certenroll.dll

6.1.7600.21062

1,322,496

01-Oct-2011

04:39

x86

Certenroll.dll

6.1.7601.21830

1,335,296

01-Oct-2011

06:03

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_17ab9f0f13af5f78d12ab03e392ace1d_31bf3856ad364e35_6.1.7600.21062_none_ab329009429686b7.manifest

File version

Not Applicable

File size

713

Date (UTC)

01-Oct-2011

Time (UTC)

09:44

File name

X86_1930b4552d78dca6f2aa72749fbdbd80_31bf3856ad364e35_6.1.7601.21830_none_64584aa9793786f1.manifest

File version

Not Applicable

File size

713

Date (UTC)

01-Oct-2011

Time (UTC)

09:44

File name

X86_microsoft-windows-x..rtificateenrollment_31bf3856ad364e35_6.1.7600.21062_none_f4092a7b090ab670.manifest

File version

Not Applicable

File size

368,537

Date (UTC)

01-Oct-2011

Time (UTC)

09:53

File name

X86_microsoft-windows-x..rtificateenrollment_31bf3856ad364e35_6.1.7601.21830_none_f60e2075061a65c0.manifest

File version

Not Applicable

File size

368,537

Date (UTC)

01-Oct-2011

Time (UTC)

09:53

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

File name

Amd64_b0d50f42b84a913c86b896fe8db96a3d_31bf3856ad364e35_6.1.7600.21062_none_f4cdefd97a5542e5.manifest

File version

Not Applicable

File size

1,074

Date (UTC)

01-Oct-2011

Time (UTC)

09:44

File name

Amd64_fde9d835a7368d91ce4f50dbf91ec106_31bf3856ad364e35_6.1.7601.21830_none_a3fe6c222794c663.manifest

File version

Not Applicable

File size

1,074

Date (UTC)

01-Oct-2011

Time (UTC)

09:44

File name

Amd64_microsoft-windows-x..rtificateenrollment_31bf3856ad364e35_6.1.7600.21062_none_5027c5fec16827a6.manifest

File version

Not Applicable

File size

368,541

Date (UTC)

01-Oct-2011

Time (UTC)

09:59

File name

Amd64_microsoft-windows-x..rtificateenrollment_31bf3856ad364e35_6.1.7601.21830_none_522cbbf8be77d6f6.manifest

File version

Not Applicable

File size

368,541

Date (UTC)

01-Oct-2011

Time (UTC)

09:59

File name

X86_microsoft-windows-x..rtificateenrollment_31bf3856ad364e35_6.1.7600.21062_none_f4092a7b090ab670.manifest

File version

Not Applicable

File size

368,537

Date (UTC)

01-Oct-2011

Time (UTC)

09:59

File name

X86_microsoft-windows-x..rtificateenrollment_31bf3856ad364e35_6.1.7601.21830_none_f60e2075061a65c0.manifest

File version

Not Applicable

File size

368,537

Date (UTC)

01-Oct-2011

Time (UTC)

09:59

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

File name

Ia64_1263b4ce0f631076248ac21e082543ed_31bf3856ad364e35_6.1.7600.21062_none_81058bd852bc3914.manifest

File version

Not Applicable

File size

1,072

Date (UTC)

01-Oct-2011

Time (UTC)

09:44

File name

Ia64_236915daaa4357db15c05eee35021fdf_31bf3856ad364e35_6.1.7601.21830_none_8d05150f78e8b7e8.manifest

File version

Not Applicable

File size

1,072

Date (UTC)

01-Oct-2011

Time (UTC)

09:44

File name

Ia64_microsoft-windows-x..rtificateenrollment_31bf3856ad364e35_6.1.7600.21062_none_f40ace710908bf6c.manifest

File version

Not Applicable

File size

368,539

Date (UTC)

01-Oct-2011

Time (UTC)

09:44

File name

Ia64_microsoft-windows-x..rtificateenrollment_31bf3856ad364e35_6.1.7601.21830_none_f60fc46b06186ebc.manifest

File version

Not Applicable

File size

368,539

Date (UTC)

01-Oct-2011

Time (UTC)

09:44

File name

X86_microsoft-windows-x..rtificateenrollment_31bf3856ad364e35_6.1.7600.21062_none_f4092a7b090ab670.manifest

File version

Not Applicable

File size

368,537

Date (UTC)

01-Oct-2011

Time (UTC)

09:44

File name

X86_microsoft-windows-x..rtificateenrollment_31bf3856ad364e35_6.1.7601.21830_none_f60e2075061a65c0.manifest

File version

Not Applicable

File size

368,537

Date (UTC)

01-Oct-2011

Time (UTC)

09:44

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