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Forefront Protection for Exchange Broke Threat Management Gateway

Posted on 2010-09-09
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Last Modified: 2012-05-10
I have an Edge server with Threat Management Gateway installed and properly configured to allow in/outbound mail flow.  Inbound email can only be received from our spam provider's relays, Postini to be specific.  

This was working fine until I installed Forefront Protection for Exchange.  After that, Postini's SMTP tests fail, and I get the following error in the Threat Management logs:

Log Type: Firewall Service
Status: No connection could be made because the target machine actively refused it
Rule: [System] Allow SMTP traffic to the local host for mail protection and filtering.

Under monitoring in TMG:
Email Policy – Configuration Failure
Description:  Command failed with error:  Cannot bind argument to parameter ‘Bindings’ because it is an empty collection.

There doesn't seem to be much in the way of configuration settings inside of FPE, I can't imagine what broke it, but I do know that mid-install, it had to restart the Transport role, and nothing's been the same since.

Help!


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Question by:NAMEWITHELD12
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michael_b_smith earned 250 total points
ID: 33638259
Did you just install Exchange 2010 sp1? See here: http://blogs.technet.com/b/isablog/archive/2010/09/01/problems-when-installing-exchange-2010-service-pack-1-on-a-tmg-configured-for-mail-protection.aspx

Don't make any manual changes! Call PSS. I believe there is a QFE available.
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by:NAMEWITHELD12
ID: 33638289
No on the SP1 -- the FPE installation was on the same disc as the install for the version of Exchange I loaded up...
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by:Keith Alabaster
Keith Alabaster earned 250 total points
ID: 33652683
Where have you installed FPE - on the FTMG box running the edge service or on the Exchange server or both?
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by:NAMEWITHELD12
ID: 33774861
Sorry, we abandoned the installation, never could get it to work. :(
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Author Closing Comment

by:NAMEWITHELD12
ID: 33774878
We discovered that the installation of the app was removing the rules we set up to allow email in/out through TMG.  We decided that with our external spam/virus protection service, and our back end scanning capabilities, that we didn't need the hassle.
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