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Article ID: 309448 - Last Review: September 26, 2005 - Revision: 3.4

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This article was previously published under Q309448
Important This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:
256986  (http://support.microsoft.com/kb/256986/ ) Description of the Microsoft Windows Registry

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SYMPTOMS

On a networked computer that is running Microsoft Windows XP, after you turn on computer authentication, user authentication is not performed.

This problem may affect you if you try to configure Windows in a kiosk environment. You can turn on computer authentication to make sure that Group Policy settings are applied. However, if user authentication is not performed, you may not be able to manage network access from the computer based on user policy settings.

RESOLUTION

Service pack information

To resolve this problem, obtain the latest service pack for Windows XP. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
322389  (http://support.microsoft.com/kb/322389/ ) How to obtain the latest Windows XP service pack

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. 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:
http://support.microsoft.com/contactus/?ws=support (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.

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
   ----------------------------------------------------
   05-Oct-2001  12:06  5.1.2600.15   53,760  Rastls.dll
   05-Oct-2001  12:05  5.1.2600.15  184,320  Wzcsvc.dll

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. This problem was first corrected in Windows XP Service Pack 1.

MORE INFORMATION

Warning If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.

After you apply the service pack or the hotfix that is described in the "Resolution" section, you can modify the AuthMode registry entry to set the kind of authentication that occurs when a user logs on. Use one of the following values in the AuthMode registry entry:
Collapse this tableExpand this table
ValueKind of authentication
0Use the default Windows XP authentication
1Always perform user authentication when a user logs on
2Perform computer authentication only
Follow these steps to set the value of the AuthMode registry entry:
  1. Click Start, click Run, type regedit, and then click OK.
  2. In Registry Editor, locate and then click the following registry key:
    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\EAPOL\Parameters\General\Global
  3. In the right pane, double-click AuthMode, type the authentication mode in the Value data box, and then click OK.
  4. Quit Registry Editor.
  5. Restart the computer.

APPLIES TO
  • Microsoft Windows XP Professional
Keywords: 
kbautohotfix kbhotfixserver kbqfe kbbug kbfix kbnetwork kbwinxpsp1fix KB309448
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