RDP port passes PSping when the firewall isOFF:
Its OFF here (and psping 3389 passes).
http://screencast.com/t/DReMVZRX0bsk
Its ON and (psping 3389 fails) here:
http://screencast.com/t/r61SaOxv
After turning the firewall on, waiting several minutes and refreshing... the state of "Waiting for agent" is still the same.