Hello, My company has purchased a LinkSys BEFVP41 VPN Router. This device can make tunnels with W2k and WXp. I've already make this work fine but when I install Isa Server in the server my tunnel authenticate but I can't ping or access resources in the other side of the Vpn tunnel. I've worked a lot trying to allow this conection trought ISA Server but it doesn´t work. I used routing and remote access and Ipsec policies with preshared key. The problem is just when I install Isa server in W2K server side... Thanks Luiz