hello all
i am novice in 
Virtualization and hurry in training because i should install and config it very soon as it possible and my problem will become solve
I have only 2 server 2008 ( TMG Server , DC Server)
if i install 
ESxi  with 
Vmclient Vshphere and config it ........ 
is it enough?
or no i should install 
Vcenter?
regard