You cannot update scan engines through a proxy on a computer that is running Forefront Security for Exchange Server

Article translations Article translations
Article ID: 954561 - View products that this article applies to.
This article has been archived. It is offered "as is" and will no longer be updated.
Expand all | Collapse all

SYMPTOMS

You have a computer that is running Microsoft Forefront Security for Exchange Server Service Pack 1. You try to update the scan engines through a proxy that is configured for NTLM. However, Forefront does not send credentials to answer to the NTLM challenge. Therefore, the scan engine updates are not successful. Additionally, the following error message is logged in the WinHTTP log:
HTTP/1.1 502 Proxy Error

RESOLUTION

To resolve this problem, you must install Hotfix Rollup 3 for Microsoft Forefront Security for Exchange Server Service Pack 1.
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
951629 Description of Hotfix Rollup 3 for Forefront Security for Exchange Server Service Pack 1


Note Microsoft Forefront Security for Exchange Server Service Pack 1 must be installed before you install Hotfix Rollup 3 for Microsoft Forefront Security for Exchange Server Service Pack 1.

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

MORE INFORMATION

To download Microsoft Forefront Security for Exchange Server Service Pack 1, visit the following Microsoft Download Center Web site:
http://www.microsoft.com/downloads/details.aspx?FamilyID=2ceb14d4-404b-4d8f-8a21-ebfc71b2e82b
For more information about Forefront Security for Exchange Server, visit the following Microsoft Web site:
http://www.microsoft.com/forefront/serversecurity/exchange/default.mspx

Properties

Article ID: 954561 - Last Review: October 21, 2013 - Revision: 1.0
APPLIES TO
  • Microsoft Forefront Security for Exchange Server Service Pack 1
Keywords: 
kbnosurvey kbarchive kbhotfixrollup kbexpertiseinter kbqfe KB954561

Give Feedback

 

Contact us for more help

Contact us for more help
Connect with Answer Desk for expert help.
Get more support from smallbusiness.support.microsoft.com