Article ID: 953760 - View products that this article applies to.
Consider the following scenario:
Note If you use the computer name of the terminal server to log on to the terminal server, the logon works correctly.
When the client computer tries to log on to the terminal server farm, the initial authentication uses Kerberos-based authentication. After Kerberos-based authentication fails, the client does not fall back to using NTLM-based authentication. Therefore, you are prompted for user credentials.
Hotfix informationA 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:
PrerequisitesThere are no prerequisites.
Restart requirementYou have to restart the computer after you apply this hotfix.
Hotfix replacement informationThis hotfix does not replace any other previously released hotfixes.
Registry informationAfter you apply the hotfix, you must configure the Credential Security Service Provider (CredSSP) Group Policy setting to enable SSO. However, the CredSSP Group Policy setting is not available as a Group Policy object (GPO) in Windows XP SP3. Instead, you can configure the setting by updating the Registry. For more information, visit the following Microsoft Web sites:
File informationThe 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 SP3, x86-based versions
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Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/824684/ )Description of the standard terminology that is used to describe Microsoft software updates
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