Is it possible to disable the serial port on my Samsung PCoIP Zero Client monitor?

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Scenario:

Some PCoIP zero clients (i.e. Samsung PCoIP Zero Client monitors) come equipped with a serial port. The units are designed with a built in USB hub feeding both another USB connector and a serial connector. In a PCoIP session, the VM picks up the USB-Serial Controller and occupies an additional USB port within Windows. The driver for this USB device is not included in Windows, thus the installation for a new hardware device appears on each connection to the VM.

Samsung Zero Client monitor examples are shown below. Please check your device documentation for further details.

  • NC220
  • NS220
  • NS240
  • NC241

Note: The scenario above should only be seen with installed firmware prior to 4.1

Resolution:

Disable the serial port by unauthorizing the USB-Serial Controller from the AWI USB permissions table. To do this first identify the USB-Serial Controller's VID and PID from the AWI "Attached Devices". The two diagrams below show the locations to complete this task within the client AWI.

Note: Using this option will present the overlay message "USB device not authorized" when commencing a session, but will prevent the VM from identifying the USB-Serial Controller.

How to identify the USB-Serial Controller VID and PID from the Attached Devices AWI page.

 

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Where to add the USB-Serial Controller to the Unauthorized Devices table.

 

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Note: For more details on these settings, refer to the PCoIP Zero Client Administrators' Guide (search key phrase: AWI USB permissions).

 

See also:

Why do USB 2.0 or isochronous devices fail to work as expected when plugged into a Samsung NC220 or NC240 PCoIP monitor?

Configure PCoIP USB allowed and unallowed device rules.

How to identify which USB port on my PCoIP Zero Client is behind an integrated/internal USB hub?