i give 2 solutions 1º create a schedule task to stop the isa and then start it again you can find a command that is quite nice in www.isatools.org 2º you can do as i did it i use windows 2000 server whith active directory i took me awhile to understand the destinations sets but where's what i did i wanted all the users in my network to access one site www.sconrado.pt and 3 other i created a destination set to all users acess that 4 sites anonymous then the other users have complete acess to all the other sites. if you have any questions informatica@xxxxxxxxxxx ps sorry about the mistakes but i am portuguese :) my experince in isa server is 4 years.