Hi all,
First kindly informed that i used Exchange 2010 sp3 ( i did,'t find my version in the list )
when the internal users try to access owa by using proxy , thet succeed to login but after about 1 min they probt again to enter credential
if they disabled proxy everything is working fine
we use isa 2006 as proxy for internal users
owa is hosted on 2 cas servers ( DNS round Robin used )