Can you ping the remote computer by IP? Or these search result may help.
Cannot access resources after establishing VPN
Cannot access resources after establishing the VPN because of the same
IP. Situation: The client setup VPN on his XP Pro ad he can establish the
VPN, ...
www.chicagotech.net/casestudy/vpnsameip1.htm - Similar pages
VPN Issues
Can't access VPN resources because of two NICs using same IP ...
Cannot access resources after establishing the VPN because of the same IP
....
www.chicagotech.net/vpn.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
"Tom" <(E-Mail Removed)> wrote in message
news:EA19022B-EAB0-4912-8828-(E-Mail Removed)...
> Hello,
> We have a Windows 2003 Server at our office. We have 2 client machines
> located at remote locations. I have Routing and Remote Access enabled on
> the server and can connect the clients using the built-in Windows VPN
> Client.
> However, once connected we cannot access any of the server shares. The
> message comes back
> "An extended error has occurred". Is there something else that needs to
> be
> configured to allow this connection? I have setup many vpn's in the past
> and
> have never had trouble.
> Thanks for any help.
> Tom