Printing fails with error “error while opening virtual channel” when trying to print to local printers.
The ThinPrint printer is connected to a ThinPrint port using protocol ICA or RDP. The error indicates that it cannot find the virtual channel, indicating that the connection to the ThinPrint Client is not available.
Applies to product
ThinPrint Engine (any version)
ThinPrint RDP Engine (any version)
ThinPrint Client RDP or ICA (any version)
Please check on the users workstation whether the correct Thinprint Client has been installed and whether is started automatically with the remote connection. You can see that on the corresponding ThinPrint icon in the System Tray.