it's working Mr. Tom Shinder...thanks also for Mr. Steve Moffat and Mr. Jim Harrison. :) but im still have a problem when i set up the VPN server in windows server 2000, I have follow the same instruction that i've been doing in windows 2003 server. my problems in windows 2000 server is i can see the domain of networks company, but when i click the domain, there's a pop-up windows "compass is not accessible. you might not have a permission to use this network resources. contact the administrator for this server to find out if you have access permissions. The list of servers for this workgroup is not currently available". Do you know what the problems is? I would be very..very..grateful if you or somebody would give me the best solutions. Thanks a lot. I'm waiting for your answer.