L2TP VPN server problem?

Hi guys
i have a VPS (Virtual Private Server) that is running windows server 2003,
and i configure Routing and Remote Access to use VPN connection there for i add L2TP and PPTP ports, so now i can connect to server with PPTP without any problem but i can NOT connect to it with L2TP.
what is the problem?please guide me to solve it?
all comments will be highly appreciated

Adam2010-03-30T11:14:07Z

Favorite Answer

Couple of things are possible. (Actually a lot of things)

I would check your NPS (Network Policy Server). It could be that network is not accepting connections from L2TP so it defaults to PPTP.

I would also try a pre-shared key from the RRAS and Client. Set up using RRAS and match the key on the client side. Then restrict the client from using PPTP using NPS.