On October 10, 2011 Microsoft released Service Pack 2 for Microsoft Forefront Threat Management Gateway (TMG). It’s anywhere between 17 and 21 MB.
The service pack includes the following new functionality and feature improvements:
• The new Site Activity report displays a report showing the data transfer between users and specific websites for any user.
• A new look and feel has been created for error pages.
• Error pages can be more easily customized and can include embedded objects.
• You can now use Kerberos authentication when you deploy an array using network load balancing (NLB).