Question : serial ports on mstsc

Hello,
I need a help. I try to connect via mstsc to a windows XP pro. Everything is fine, BUT, I checked to use the serial ports I've in local.. How can I define that effectively has been transferred to the remote pc?

thank you very much

Nick

Answer : serial ports on mstsc

Reference: Configuring Remote Desktop: http://www.microsoft.com/technet/prodtechnol/winxppro/reskit/c08621675.mspx

Would this be any help?
http://www.hw-group.com/products/hw_vsp/index_en.html