Thank You to all that have made constructive suggestions.
I still cannot get RDP to work remotely to Windows 7 pro workstations.
This is the procedure I do on the pfSense-1.2.3-RELEASE box,,from a Windows XP Pro machine setup that works fine.
1. In the NAT configuration page a simply change the internal ip address to one of the Windows 7 pro workstation ip addresses, Save and Apply. ( the carp / public ip address i leave the same)
2. I then go to the firewall setting,>WAN tab( the rule that is auto-generated by the RDP NAT rule), and change the internal ip address to reflect the Windows 7 pro machine,Save and Apply.
When trying RDP from a remote machine the Windows 7 pro machine session, blinks just for a second and disappears. I have tried this on three different freshly imaged Windows 7 Pro machines, FYI.
I do have the "Allow remote desktop from any version of RDP client machine" is in fact selected.
I have the Windows Firewall on the Windows 7 Pro machine disabled on all three possibilities here. The Windows Firewall is totally disabled in other words.
Also,I can in fact remote desktop to the Windows 7 Pro machine fine within or lan,so it does appear something is not getting two way communcation between our lan and the Nat'ted ip address.
As soon as I change the internal ip address to one of our Windows XP Pro machines the very same Nat'ted connection will work fine remotely.
Thanks,
Barry