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Dell ThinOS 9.1.4097, 9.1.4234, 9.1.5067, and 9.1.6108 Administrator’s Guide

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USB Redirection in a VDI session

Upgrading to the ThinOS 9.1.3112 eliminates the local USB driver dependency on the USB redirection feature.

From ThinOS 9.1.3112 onwards, you can directly use the USB redirection feature in a VDI session without attaching the USB driver installed locally on your thin client. The local USB driver is automatically detached when using USB redirection in the VDI session. As a result, the USB redirection in the VDI session is fast and more reliable.

After upgrade, if you are configuring the USB settings on your local thin client, do either of the following:
  • Using Global Connection Settings:
    1. On the local ThinOS client, go to the Global Connection Settings > Session on local ThinOS UI.
    2. Verify if the USB device redirection is selected, and click OK.
  • Using Admin Policy Tool:
    1. On the Admin Policy Tool, go to Advanced > Session Settings > Global Session Settings > Local Resources and USB redirection.
    2. Ensure that the USB redirection option is enabled, and click Save and Publish.

Apply these setting changes when you are using the USB Redirection for the first time, after you upgrade from ThinOS 9.1.2X or older versions to 9.1.3112. The setting changes are not required after the first instance. If you are configuring the USB settings using Wyse Management Suite policy settings, you do not have to enable the USB redirection option again after upgrade.

There are no visible UI changes on the ThinOS client. However, the USB redirection speed is improved in the VDI session.

USB Redirection in a PCoIP session

For PCoIP session, ensure that the Group Policy is enabled to make the USB redirection work. Do the following to enable the GPO feature:

  1. Open a PCoIP session and press WIN+R to open the Run window.
  2. Enter gpedit.msc to open the Local Group Policy Editor.
  3. Go to Computer Configuration > Administrative Templates > PCoIP Session Variables > Not Overridable Administrator Settings, open Configure PCoIP USB allowed and unallowed device rules, select Enable, and click Apply.
NOTE:Currently, the SDK integrated in ThinOS for PCoIP does not support the USB redirection feature for all USB drives. This is a limitation from the third party SDK. For Headset and Camera, PCoIP does not support redirection in a session. Use RTAV for audio and video devices.

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