FYI: I ran into this today. Was futzing with all sorts of stuff until I remembered I installed SP2 on the laptop: L2TP/IPsec NAT-T update for Windows XP and Windows 2000: http://support.microsoft.com/default.aspx?scid=kb%3Ben-us%3B818043 "I've forgotten more than I'll ever know" :-) HTH, Tom