Microsoft KB Archive/162061

= Err Msg: Error 407 - Proxy Authentication Failed =

Article ID: 162061

Article Last Modified on 1/26/2006

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APPLIES TO


 * Microsoft Internet Explorer 2.1

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This article was previously published under Q162061



SYMPTOMS
When you use Microsoft Internet Explorer version 2.1 for Windows 3.1 to access the Internet, you may receive the following error message:

Error 407 - Unauthorized - proxy authentication failed



CAUSE
You are using a proxy server (a server on a local area network that lets you connect to the Internet without using a modem) configured for user authentication. Proxy authentication is not supported in this version of Internet Explorer.



STATUS
Proxy authentication is supported in later versions of Internet Explorer. To obtain the latest version of Internet Explorer for Windows 3.1, visit the following Microsoft Web site:

http://www.microsoft.com/windows/ie/default.mspx

Additional query words: 2.10

Keywords: KB162061

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