I know this problem was marked as answered in a previous question (http://www.experts-exchange.com/OS/Microsoft_Operating_Systems/Server/Windows_Server_2008/Q_25987228.html
), but the solution doesn't work in my environment, and the conditions may not be the same.
I am trying to connect older Wyse thin clients to a new 2008 R2 RDP server and allow users to access usb keys that are attached to the thin client. If the key is attached when the connection to the server is made, the "Files on WBT00806440262D" shows up in the Computer window under Other drives, and that can be expanded to show the "Removable Storage" folder which *should* show the files on the key, but when you click on the Removable Storage folder you get the error message "\\tsclient\Files\Removabl
e Storage is not accessible. You might not have permissions to use this network resource. Contact the adminstrator of this server to find out if you have access permissions. The file exists."
The usb is accessible from the same thin client when connecting to a 2003 R2 terminal server, so there is no problem with the thin client, usb key, or permissions. I have read that there is a problem with the protocol when using RDP 5.2 to connect to the new RDP service on the 2008 R2 servers. The solution addressed in the previously mentioned question doesn't work in my testing. I am unable to update the RDP client on the thin clients as Wyse doesn't support these models any longer. I have also read another article that suggests that there is a QFE that can be included in the core build on the thin client that will fix the problem, but I don't have access to the build and again, Wyse doesn't support these any longer so they aren't going to do it either.
Is there a solution on the RDP server to allow full compatibility with older versions of RDP? This seems to be the root cause of the problem as it used to work on the older TS servers, and only fails with the newer version.
Thanks for any help!