File Upload Problem Using NTLM Authentication

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View products that this article applies to.

This article was previously published under Q222045

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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

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A supported fix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Apply it only to computers that are experiencing this specific problem. This fix may receive additional testing. Therefore, if you are not severely affected by this problem, Microsoft recommends that you wait for the next Internet Explorer service pack that contains this hotfix.

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, visit the following Microsoft Web site:

http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS (http://support.microsoft.com/default.aspx?scid=fh;en-us;cntactms)

NOTE: In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The typical 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:

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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.

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STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

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MORE INFORMATION

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

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APPLIES TO

Microsoft Internet Explorer 4.01 Service Pack 1
Microsoft Windows 98 Standard Edition

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kbhotfixserver kbqfe kbenv kberrmsg kbprb KB222045

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Retired KB Content Disclaimer

This article was written about products for which Microsoft no longer offers support. Therefore, this article is offered "as is" and will no longer be updated.

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