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COM port redirection

I am currently evaluating Windows 2000 with terminal services. I run software on client PC's that capture data from the COM ports (for example weighing scales). I have enabled COM port mapping in RDP-TCP properties and can now see the extra ports in Printer Config; however, I can't seem to use them from my application that supports COM1 or COM2. I have searched Technet to no avail, what am I doing wrong?

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The RDP protocol version that comes with Windows 2000 does not support COM port redirection. The updated protocol that will ship with Whistler does; however, you'll be waiting a while to get it. In the meantime, the only alternative that I know of is to run Metaframe from Citrix (www.citrix.com). If anyone knows of a COM port remapper that works with Terminal Services, please let me know and I'll test it in the lab and report in this forum.

This was first published in April 2001

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