Microsoft KB Archive/190662

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BUG: 16-Bit Internet Explorer Fails on Secure Sites Using Proxy

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Q190662

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The information in this article applies to:


 * Microsoft Internet Explorer version 3.03 for Windows 3.1
 * Microsoft Proxy Server version 2.0

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SYMPTOMS
When attempting to use the 16-bit version (Windows 3.1) of Internet Explorer to communicate across Microsoft Proxy Server, using NTLM (challenge-response) authentication, the user is prompted for credentials (user name and password) three times, regardless of whether the credentials are valid or not. Afterward, an "Access is Denied" error message appears.

RESOLUTION
A supported fix is now available from Microsoft, but it is only intended to correct the problem described in this article and should be applied only to systems experiencing this specific problem. This fix may receive additional testing at a later time, to further ensure product quality. Therefore, if you are not severely affected by this problem, Microsoft recommends that you wait for the next Windows NT service pack that contains this fix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, please go to the following address on the World Wide Web:

http://support.microsoft.com/directory/overview.asp

NOTE: In special cases, charges that are normally incurred for support calls may be canceled, if a Microsoft Support Professional determines that a specific update will resolve your problem. Normal support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

The English version of this fix should have the following file attributes or later:

  Date      Time    Size         File name     Platform -

07/28/98 06:02p  1,080,224    Mshtml16.dll  (Intel)

NOTE: Use Basic Authentication on the Proxy server.

STATUS
Microsoft has confirmed this to be a bug in the Microsoft products listed at the beginning of this article.

Additional query words: sp hot fix proxie ie challenge response challenge/response secure

Keywords : kbIE300 kbOSWin310

Issue type : kbbug

Technology : kbIEsearch kbAudDeveloper kbZNotKeyword2 kbProxyServSearch kbIE310Search kbZNotKeyword3 kbIE303Win310 kbProxyServ200