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Private key is not exported when you export a certificate in Windows 7 SP1 or Windows Server 2008 R2 SP1

View products that this article applies to.

Symptoms

Assume that a certificate is configured to use strong private key protection and to prompt users for a password when the private key is accessed. In this configuration, when users export the certificate that includes the private key, the export is completed. However, the private key is not exported.

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Hotfix information

Important Do not install a language pack after you install this hotfix. If you do, the language-specific changes in the hotfix will not be applied, and you will have to reinstall the hotfix. For more information, see Add language packs to Windows.

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=support
Note 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 install Service Pack 1 for Windows 7 or 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 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 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, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:

    VersionProductMilestoneService branch
    6.1.760 1.23 xxxWindows 7 and Windows Server 2008 R2SP1 LDR
  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information" section. MUM, MANIFEST, and the associated security catalog (.cat) files, are very 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 nameFile versionFile sizeDateTimePlatform
Certenroll.dll6.1.7601.230011,335,29616-Mar-201519:13x86
Certenrollctrl.exe6.1.7601.2300167,07216-Mar-201519:13x86
For all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
File nameFile versionFile sizeDateTimePlatform
Certenroll.dll6.1.7601.230011,978,88016-Mar-201519:30x64
Certenrollctrl.exe6.1.7601.2300170,14416-Mar-201519:29x64
Certenroll.dll6.1.7601.230011,335,29616-Mar-201519:13x86
Certenrollctrl.exe6.1.7601.2300167,07216-Mar-201519:13x86
For all supported IA-64-based versions of Windows Server 2008 R2
File nameFile versionFile sizeDateTimePlatform
Certenroll.dll6.1.7601.230013,855,87216-Mar-201518:31IA-64
Certenrollctrl.exe6.1.7601.23001112,12816-Mar-201518:30IA-64
Certenroll.dll6.1.7601.230011,335,29616-Mar-201519:13x86
Certenrollctrl.exe6.1.7601.2300167,07216-Mar-201519:13x86

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 propertyValue
File nameX86_6ad8b4f9e7b621fee3261d2c6ad143d4_31bf3856ad364e35_6.1.7601.23001_none_07823a722616c041.manifest
File versionNot applicable
File size713
Date (UTC)17-Mar-2015
Time (UTC)00:18
PlatformNot applicable
File nameX86_microsoft-windows-x..rtificateenrollment_31bf3856ad364e35_6.1.7601.23001_none_f62f53c30601754e.manifest
File versionNot applicable
File size317,329
Date (UTC)16-Mar-2015
Time (UTC)19:40
PlatformNot applicable
Additional files for all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
File propertyValue
File nameAmd64_22bfd82752be1223331f662c2f2f4ae9_31bf3856ad364e35_6.1.7601.23001_none_79e62e636d84beec.manifest
File versionNot applicable
File size1,074
Date (UTC)17-Mar-2015
Time (UTC)00:18
PlatformNot applicable
File nameAmd64_microsoft-windows-x..rtificateenrollment_31bf3856ad364e35_6.1.7601.23001_none_524def46be5ee684.manifest
File versionNot applicable
File size317,333
Date (UTC)16-Mar-2015
Time (UTC)19:56
PlatformNot applicable
File nameX86_microsoft-windows-x..rtificateenrollment_31bf3856ad364e35_6.1.7601.23001_none_f62f53c30601754e.manifest
File versionNot applicable
File size317,329
Date (UTC)16-Mar-2015
Time (UTC)19:40
PlatformNot applicable
Additional files for all supported IA-64-based versions of Windows Server 2008 R2
File propertyValue
File nameIa64_b93c566698ab64fd2f6893f860c784b1_31bf3856ad364e35_6.1.7601.23001_none_b1ddd08b66c3dda7.manifest
File versionNot applicable
File size1,072
Date (UTC)17-Mar-2015
Time (UTC)00:18
PlatformNot applicable
File nameIa64_microsoft-windows-x..rtificateenrollment_31bf3856ad364e35_6.1.7601.23001_none_f630f7b905ff7e4a.manifest
File versionNot applicable
File size317,331
Date (UTC)16-Mar-2015
Time (UTC)19:36
PlatformNot applicable
File nameX86_microsoft-windows-x..rtificateenrollment_31bf3856ad364e35_6.1.7601.23001_none_f62f53c30601754e.manifest
File versionNot applicable
File size317,329
Date (UTC)16-Mar-2015
Time (UTC)19:40
PlatformNot applicable

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Status

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

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Cause

This issue occurs because of an invalid window handle. The user interface (UI) that prompts the user for a private key password is not always displayed during the export operation. Therefore, the private key is skipped during the certificate export because no password is supplied.

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References

See the terminology that Microsoft uses to describe software updates.

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Keywords: kb, kbautohotfix, kbqfe, kbfix, kbhotfixserver, kbsurveynew, kbexpertiseinter

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Article Info
Article ID : 3045882
Revision : 1
Created on : 1/7/2017
Published on : 4/14/2015
Exists online : False
Views : 304