500 Server Error Posting Data from Form with SSL & NTLM Required

ID: Q188342

The information in this article applies to:

Microsoft Internet Information Server version 4.0
Microsoft Windows NT Server version 4.0, Terminal Server Edition

SYMPTOMS

When the POST method is used from an HTML form to upload large amounts of data, your server may intermittently generate a "HTTP/1.1 500 Server Error" on the browser when SSL and NTLM are both enabled on the server connection. This error only occurs if the Web site is configured to use SSL and has NTLM authentication required for the connection. This problem has been reproduced using ASP pages and with custom ISAPI DLLs.

RESOLUTION

To resolve this problem, obtain the latest service pack for Windows NT 4.0 or Windows NT Server 4.0, Terminal Server Edition. For additional information, please see the following article in the Microsoft Knowledge Base:

Q152734 How to Obtain the Latest Windows NT 4.0 Service Pack

STATUS

Microsoft has confirmed this to be a problem in Windows NT 4.0 and Windows NT Server 4.0, Terminal Server Edition. This problem was first corrected in Windows NT 4.0 Service Pack 4.0 and Windows NT Server 4.0, Terminal Server Edition Service Pack 4.

Additional query words: IIS hotfix hot fix qfe quick fix engineering POST NTLM SSL 500

Keywords : NT4SP4Fix kbfix4.00.sp4
Version : WINNT:4.0
Platform : winnt
Issue type : kbbug