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A user may log on successfully to a computer when either of the following conditions is true even though their smart card certificate has been revoked or their user account has been disabled in Microsoft Windows XP:
If the smart card certificate of the user has been revoked and the user has tried unsuccessfully to log on online at least one time, the user may still be able to log on offline and have access to network resources by using the NET USE command.
If the account of the user has been disabled in the Active Directory directory service and the user has tried unsuccessfully to log on online at least one time, the user may successfully log on offline.
This problem may occur because the cached credentials for the user are still enabled.
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. 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:
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.
There are no prerequisites to install this hotfix.
You must restart your computer after you apply this hotfix.
Hotfix replacement information
This hotfix is not replaced by any later hotfix.
You do not have to create or modify any registry keys to activate any hotfixes that this package contains.
Hotfix 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 tool in Control Panel.
Date Time Version Size File name -------------------------------------------------------- 07-Oct-2004 23:04 5.1.2600.2524 294,912 Kerberos.dll
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For additional information, 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