We have TMG and 40 remote sites, when we add no. 41 it drops the vpns then takes 2 hours before the vpns come back up add no. 42 and it takes a day, (Tried it at the weekend), it seems to have a limit, reading on other forums it seems that its the calculation
of all the routes that makes it fall over. I now need to add another 40 sites on is there any way round it? a patch or an update. (Draytek 2850 routers at the other end)
I did some research and consult senior member, there are some limits when using TMG site to site IPSec VPN, Found it -
http://support.microsoft.com/kb/934410.
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