Is it taking over 15 minutes for your TMG firewall to boot?
One of the reasons might be related to some problematic service dependencies.
You can read up about this issue over at http://www.toolzz.com/?p=1322
However, if you want to fix the problem, just install TMG Service Pack 2.
HTH,
Deb
DEBRA LITTLEJOHN SHINDER
MVP (Enterprise Security)
“MS SECURITY”
[email protected]