Microsoft KB Archive/840002

= User credentials that are entered by using the UPN format are not authenticated by ISA Server 2000 =

Article ID: 840002

Article Last Modified on 6/14/2007

-

APPLIES TO


 * Microsoft Internet Security and Acceleration Server 2000 Standard Edition, when used with:
 * Microsoft Internet Security and Acceleration Server 2000 Service Pack 1

-





SYMPTOMS
A user's logon credentials cannot be successfully authenticated by Microsoft Internet Security and Acceleration (ISA) Server when the following conditions are true:  The ISA Server 2000 Web Requests listener is configured to use basic authentication. The user credentials are entered by using the user principal name (UPN) format:

@.





CAUSE
This problem occurs because ISA Server 2000 does not support the UPN format.



Hotfix information
A supported hotfix is now 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 service pack that contains this hotfix.

To resolve this problem, submit a request to Microsoft Online Customer Services to obtain the hotfix. To submit an online request to obtain the hotfix, visit the following Microsoft Web site:

http://go.microsoft.com/?linkid=6294451

Note If additional issues occur or 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. To create a separate service request, visit the following Microsoft Web site:

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

Prerequisites
To install this hotfix, you must have ISA Server 2000 Service Pack 2 (SP2) installed on your computer. For additional information about how to obtain the latest ISA Server service pack, click the following article number to view the article in the Microsoft Knowledge Base:

313139 How to obtain the latest Internet Security and Acceleration Server 2000 service pack

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

Hotfix replacement information
This hotfix does not replace any other hotfixes.

Hotfix installation information
To install this hotfix, run the self-extracting executable file. You do not have to restart the ISA Server computer. If the computer is part of an ISA Server array, you do not have to shut down the whole array. You can install this hotfix on a one-by-one basis

File information
The English version of this hotfix has the file attributes (or later) 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 -- 28-Jun-2004 09:29  3.0.1200.401      401,400  W3proxy.exe This hotfix is also available for the French, German, Spanish, and Japanese versions of ISA Server 2000.



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
After you install this hotfix, when users use the UPN format to log on, and when basic authentication is used, the user name is logged in the following format:

\ @.

The user name is logged in the Web Proxy log file.

For additional information about how hotfix packages are named and about other terms for software updates, click the following article numbers to view the articles in the Microsoft Knowledge Base:

816915 New file naming schema for Microsoft Windows software update packages

824684 Description of the standard terminology that is used to describe Microsoft software updates

Keywords: kbbug kbfix kbqfe KB840002

-

[mailto:TECHNET@MICROSOFT.COM Send feedback to Microsoft]

© Microsoft Corporation. All rights reserved.