Article ID: 2501776 - View products that this article applies to.
Consider the following scenario:
502 Proxy Error. An attempt was made to load a program with an incorrect format. (11).
This issue occurs because the server certificate of the website contains an RFC822 name in the Subject Alternative Name (SAN) extension attribute. However, the HTTPS inspection engine does not support this certificate configuration.
To resolve this issue, install the software update that is described in the following Microsoft Knowledge Base (KB) article:
(https://support.microsoft.com/kb/2498770/ )Software Update 1 Rollup 3 for Forefront Threat Management Gateway (TMG) 2010 Service Pack 1
Note This software update adds support for RFC822 names in HTTPS inspection.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about different HTTPS exclusion mechanisms, visit the following Microsoft TechNet website:
General information about HTTPS exclusion mechanisms in Forefront TMG 2010For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
(https://support.microsoft.com/kb/824684/ )Description of the standard terminology that is used to describe Microsoft software updates
Article ID: 2501776 - Last Review: February 25, 2011 - Revision: 1.0