Yes, you need to open the port 3389 in the NAT. this how to may help,
NAT and FirewallHow to configure 2000/2003 NAT services and ports NAT server
can assign IP No one can access our website behind NAT Port forwarding on
Windows 2003 with two ...
www.chicagotech.net/nat.htm
--
Bob Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN Troubleshooting on
http://www.ChicagoTech.net
How to Setup Windows, Network, VPN & Remote Access on
http://www.HowToNetworking.com
"Garry" <(E-Mail Removed)> wrote in message
news:%(E-Mail Removed)...
> Hi, I have installed VPN-NAT on our win2k3 Server and now I am unable to
> access it remotely via Remote Desktop Connection. On my research, it
> seems that port 3389 needs to be open because it is being block by the
> VPN-NAT but i don't know how to do that.
>
> Can someone give me the steps to open the port 3389?
>
> Thanks in advance.
>
> Garry
>