File Upload Problem Using NTLM Authentication

ID: Q222045

The information in this article applies to:

Microsoft Internet Explorer version 4.01 Service Pack 1 for Windows 95
Microsoft Internet Explorer version 4.01 Service Pack 1 for Windows NT 4.0
Microsoft Windows 98

SYMPTOMS

When you upload a file to a Web server using Microsoft's NTLM authentication, you may receive the following error message:

CGI Error
The specified CGI application misbehaved by not returning a complete set of HTTP headers. The headers it did return are:

Malformed multipart POST

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 Internet Explorer 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://www.microsoft.com/support/supportnet/overview/overview.asp

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

Date	Time	Version	Size	File name	Platform
03/08/99	1:51 p.m.	4.72.3515.800	372,736 bytes	Wininet.dll	(x86)
03/08/99	2:15 p.m.	4.72.3515.800	372,736 bytes	Wininet.dll	Windows 95/98

Also, this fix is done for Service Pack 2 with the following Wininet.dll files:

Win98/95


07/15/99
7:53 p.m.
371,984 bytes
4.72.3707.1500

Windows NT


07/15/99
7:33 p.m.
372,496 bytes
4.72.3707.1500

Note that this problem is resolved in Internet Explorer 5.

STATUS

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

MORE INFORMATION

If you use basic authentication or allow anonymous access to the Web server, this problem does not occur.

Additional query words:

Keywords : kbenv kberrmsg msiew95 msient win98
Version : WINDOWS:4.01 Service Pack 1
Platform : WINDOWS
Issue type : kbprb