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

This article was previously published under Q190009
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We strongly recommend that all users upgrade to Microsoft Internet Information Services (IIS) version 6.0 running on Microsoft Windows Server 2003. IIS 6.0 significantly increases Web infrastructure security. For more information about IIS security-related topics, visit the following Microsoft Web site:
Over a proxy, after the initial certificate mapping has occurred,subsequent attempts to map the certificate during the same connectioncause an error message of type 401.
When going through a proxy, although Internet Information Server (IIS)does reset the authentication after each request, it does not also retryMapping the next request.
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, click the following article number to view the article in theMicrosoft Knowledge Base:
152734 How to Obtain the Latest Windows NT 4.0 Service Pack

Microsoft has confirmed this to be a problem in Internet InformationServer 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.
ssl proxie first following succeding ensuing successive consecutive multiple attempts akz

Article ID: 190009 - Last Review: 10/26/2013 13:46:00 - Revision: 6.0

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