Please keep it in the list by replying rather than a new post. As I said in my earlier reply, ISA uses the user logon accounts (from the client's domain) to authenticate, I may be wrong, but I don't think that this will work with ISA. Steve Steve Moffat Senior Support Analyst Optimum Computer Solutions Tel : +44 (0)141 586 5296 Mobile : +44 (0)7711 074 605 steve@xxxxxxxxxxxxxxx http://www.optimum.mine.nu