Q190009: Client Cert. Mapping Only Works w/First Page on Proxy Connection

Article: Q190009
Product(s): Internet Information Server
Version(s): 4.0
Operating System(s): 
Keyword(s): kbWinNT400sp4fix
Last Modified: 01-MAR-2002

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The information in this article applies to:

- Microsoft Internet Information Server version 4.0 
- Microsoft Windows NT Server version 4.0, Terminal Server Edition 
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SYMPTOMS
========

Over a proxy, after the initial certificate mapping has occurred, subsequent
attempts to map the certificate during the same connection cause an error
message of type 401.

CAUSE
=====

When going through a proxy, although Internet Information Server (IIS) does
reset the authentication after each request, it does not also retry Mapping the
next request.

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 Internet Information Server
version 4.0. 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: ssl proxie first following succeding ensuing successive consecutive multiple attempts akz

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Keywords          : kbWinNT400sp4fix 
Technology        : kbWinNTsearch kbWinNT400search kbWinNTSsearch kbWinNTS400search kbNTTermServ400 kbNTTermServSearch kbiisSearch kbiis400
Version           : :4.0
Issue type        : kbbug
Solution Type     : kbfix

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