Microsoft KB Archive/228914

= Cannot Log On to Web Site Requiring Case-Sensitive User Name =

Article ID: 228914

Article Last Modified on 9/22/2005

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APPLIES TO

 Microsoft Internet Explorer 5.01, when used with:  Microsoft Windows NT 4.0

 Microsoft Windows 98 Second Edition

 Microsoft Windows 98 Standard Edition

 Microsoft Windows 95</li></ul> </li> Microsoft Internet Explorer 5.0, when used with:  Microsoft Windows NT 4.0</li></ul>

 Microsoft Windows 98 Standard Edition</li></ul>

 Microsoft Windows 95</li></ul> </li></ul>

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This article was previously published under Q228914

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SYMPTOMS
After the installation of Internet Explorer 5, you may not be able to log on to a Web site that requires a user name and password to be entered on the "http://" address line. For example,

http:// : @www.mywebsite.com

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CAUSE
This behavior can occur because the user name portion of the Web address (or URL) is being changed to lowercase. If the site requires a case-sensitive user name, validation may not succeed because Internet Explorer sends the user name credentials in lowercase. The password portion is unaffected and retains its case.

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STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section of this article.

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MORE INFORMATION
By default, MS04-004 disables user:pass support in HTTP URLs.

For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

832894 "The data is invalid" could indicate a corrupt metabase

Keywords: kbqfe kbprb kbhotfixserver KB228914

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