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I can't get serial COM port devices to show up on Windows Server 2012 R2 via RDP.

I am having no issue with redirected printers, but when it comes to serial COM devices, they just wont show up.

I have disabled "Do not allow COM port redirection" on both the client and server

I have made sure the drivers are installed on the server. I have enabled "Ports" on the RDP connection window.

So I am not sure what else I need to do in order for this to work.

I am trying from a Windows 8.1 client and a Windows Server 2012 R2 server

jLynx
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  • You can use this command to confirm that the COM ports are or aren't redirected: `change port /query` – Swisstone Aug 15 '19 at 10:38
  • I ran that command and I got this ```C:\Users\Administrator>change port /query AUX = \DosDevices\COM1 COM1 = \Device\Serial0 COM3 = \Device\RdpDrPort\;COM3:2\tsclient\COM3``` Yet device manager only shows COM1 – jLynx Aug 15 '19 at 20:12
  • The redirection seems to be OK then. What happens when you try to use COM3 in your application ? I'm not sure that the redirected ports will show up in the device manager – Swisstone Aug 15 '19 at 20:22

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