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.
Hotfix informationImportant 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.
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PrerequisitesTo apply this hotfix, you must install Service Pack 1 for Windows 7 or Windows Server 2008 R2.
Registry informationTo use the hotfix in this package, you do not have to make any changes to the registry.
Restart requirementYou may have to restart the computer after you apply this hotfix.
Hotfix replacement informationThis hotfix does not replace a previously released hotfix.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
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.