Microsoft KB Archive/177311

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Access Denied Error Message with IE 4.0 FTP Through Proxy to Secure FTP Site

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Q177311

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The information in this article applies to:


 * Microsoft Proxy Server version 2.0
 * Microsoft Internet Explorer

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SYMPTOMS
When you use Microsoft Internet Explorer (IE) version 4.0 to FTP to a secure FTP server through the Proxy Server with Microsoft Windows NT Server Challenge/Response (NTLM) selected (enabled), you may get the following error message:

Access Denied

CAUSE
A problem exists with the NTLM in Internet Explorer 4.0.

RESOLUTION
A supported fix that corrects this problem is now available from Microsoft, but 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/directory/overview.asp" The English version of this fix should have the following file attributes:

WORKAROUND
To work around this problem, use the Winsock Proxy service for FTP requests, or use a custom security setting in Internet Explorer. Under User Authentication, select Prompt for Username and Password.

STATUS
Microsoft has confirmed this to be a problem in Microsoft Internet Explorer version 4.0 and 4.01.

Additional query words: prodprx2

Keywords :

Issue type : kbbug

Technology :