Hi, i have exchange behind isa 2000, and in the isa server a have two network card one for internal range and the second for the external ,the isa is intalled on member server,in the ithe network card of isa ( internal range ) i puted just the internal ip address and the subnet musk and in the second network card i puted the fixed ip and the gateway of the router and the dns of the isp , when i want to give access in isa server to the isa group i can`t sea the entire domains i sea just the isa local group , i puted the dns of my domain controller in the first network card then i sea the domain and i selected the user , but the exchange stop sending to isa can you help me please . Thanks. __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com