Not sure about Vista, but I had to create a firewall exemption in XP SP2 in order to get RDC to work via my VPN. Have you checked your firewall settings?

DALLAS,May 27 /PRNewswire-FirstCall/ --Entrust, Inc. (Nasdaq: ENTU), today announced it is delivering a more streamlined Entrust SSL VPN certificate deployment for ...

Threat actors are targeting Check Point Remote Access VPN devices in an ongoing campaign to breach enterprise networks, the company warned in a Monday advisory. Remote Access is integrated into all ...