How to find which Forefront TMG Service Pack is installed. Hat tip to Richard Hicks, Tom Shinder and Yuri Diogenes for pointing this out in episode 11 of From End to Edge and Beyond (mentioned at 29.19 in the video). If you are also wondering whether TMG Standard or Enterprise edition is installed, this is clearly presented in the top right corner of the TMG management console.
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Forefront Threat Management Gateway (TMG) 2010 runs exclusively on 64-bit Windows Server 2008 or Windows Server 2008R2. This means you will not be able to install the TMG management console included with the installation media on any 32-bit Windows machine. What if you wish to manage your TMG firewalls from a 32-bit Windows operating system? The answer is simple. Download the 32-bit version of the TMG management console. After registering, click the download link and then download the file TMG_ENU_Management_x86.exe. Now you can manage your TMG firewalls from a 32-bit Windows desktop or server operating system!