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

ID: Q190662

The information in this article applies to:

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 that corrects this problem is now available from Microsoft, but it has not been fully regression tested and should be applied only to systems experiencing this specific problem. If you are not severely affected by this specific 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 on support costs, please go to the following address on the World Wide Web:

http://support.microsoft.com/support/supportnet/default.asp
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.

NOTE: If this product was already installed on your computer when you purchased it from the Original Equipment Manufacturer (OEM) and you need this fix, please call the Pay Per Incident number listed on the above Web site. If you contact Microsoft to obtain this fix, a fee may be charged. This fee is refundable if it is determined that you only require the fix you requested. However, this fee is non-refundable if you request additional technical support, if your no-charge technical support period has expired, or if you are not eligible for standard no-charge technical support.

For more information about eligibility for no-charge technical support, see the following article in the Microsoft Knowledge Base:
Q154871 Determining If You Are Eligible for No-Charge Technical Support


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 kbWinOS310 
Version           : WINDOWS:3.03; winnt:2.0
Platform          : WINDOWS winnt 
Issue type        : kbbug

Last Reviewed: March 13, 1999