You may encounter several smart card failure problems after you raise the domain functional level to Windows Server 2008 R2 domain function level in a network environment

In the network environment, after you raise the domain functional level to Windows Server 2008 R2 domain function level, you may encounter the following smart card failure problems:

• All Windows XP and Windows Server 2003 clients may be unable to log on to the domain by using the smart card.
• Windows Vista, Windows Server 2008, Windows Server 2008 R2, and Windows 7 Beta clients may be unable to log on to the domain by using the smart card if the resource domain does not trust the root certification authority (CA).
• The smart card referral process may fail if the resource domain does not trust the root CA.

To resolve this problem, install the following hotfix on a Windows 7 Beta-based domain controller.

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 Web site: 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

There are no prerequisites for installing this hotfix.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

For all supported x64-based versions of Windows 7 Beta

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

For more information about the functional level features, visit the following Web site: