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Error message when you access the http://companyweb Web site in Windows Small Business Server 2003: "HTTP 401.1 - Unauthorized"
Article ID: 961143 - View products that this article applies to.
When you use Internet Explorer to access the http://companyweb Web site from a server that is running Windows Small Business Server 2003 with Service Pack 2, you may be prompted to provide your credentials. After you provide your credentials and then click OK for the third time, you receive the following error message:
Note This problem occurs only if you access the Web site from the server. This problem does not occur if you access the Web site from a client computer.
HTTP 401.1 - Unauthorized
According to Microsoft Knowledge Base article 896861, users receive this error message when the following conditions are true:
Update informationThis update automatically enables the Kerberos authentication on the SharePoint Web site.
How to obtain this updateThis update is available from the Microsoft Update Web site:
PrerequisitesYou must have .NET Framework 2.0 installed before you apply this update.
Restart requirementYou do not have to restart the computer after you apply this update.
Update replacement informationThis update does not replace a previously released update.
File informationThe English version of this update 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.
Collapse this tableExpand this table
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about software update terminology, 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
Article ID: 961143 - Last Review: October 8, 2011 - Revision: 6.0