Microsoft KB Archive/891849

= You receive &quot;The system could not log you on&quot; error message when you use a smart card to log on to a Windows XP Professional-based computer =

Article ID: 891849

Article Last Modified on 12/19/2006

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APPLIES TO


 * Microsoft Windows XP Professional

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SYMPTOMS
When you use a smart card to log on to a Microsoft Windows XP Professional-based computer, you do not log on to the network and you receive the following error message:

The system could not log you on. The server authenticating you reported an error (0xC00000BB). You can find further details in the event log. Please report this error to the system administrator.



CAUSE
This problem may occur when the user name portion of the your User Principal Name (RFC822 name) does not match your downlevel logon name (sAMAccountName).

For example, if you log on with the following attributes, you will not experience the problem:

sAMAccountName: johnsmith

userPrincipalName: johnsmith@contoso.com

However, if you log on with the following attributes after you install Windows XP SP2, you will experience the problem:

sAMAccountName: johnsmith

userPrincipalName: jsmith@contoso.com

Note This problem may not occur until after you install Windows XP Service Pack 2 (SP2).



Prerequisites
There are no prerequisites to install this hotfix.

Restart information
You do not have to restart your computer after you apply this hotfix.

Hotfix replacement information
This hotfix is not replaced by any later hotfix.

Registry information
You do not have to create or modify any registry keys to enable any hotfixes that this package contains.

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.

Windows XP Service Pack 2


STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.



MORE INFORMATION
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

Additional query words: windowsxp windowsxpsp1 windowsxpsp2 winxp winxpsp1 winxpsp2 xpsp1 xpsp2

Keywords: kbqfe kbhotfixserver kberrmsg kbwinxppresp3fix kbfix kbbug KB891849

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