Thanks, for all.
very well information AnyWeb.
for the water mark forgive me that i had this guids before and i couldn't remove it.
i have another guid which will come up may be today and i'll spend the day removing the water mark .
wmmayms, think that, ok imagine that you put your 50 v.machine in one host then it fails what vmware will do for you.
but with hyber-v the integration with the windows clustering is very will done and you will not feel any change .
cheers.