Dell Wyse ThinOS Version 9.1.3129, 9.1.3112, 9.1.2101, and 9.1.1131 Operating System Release Notes

Important notes

PCoIP in VMware Horizon known issues:

• Cannot connect Horizon session with PCoIP protocol if Horizon Agent 2103 is installed in that session.
• USB driver icon is left in PCoIP session when you redirect USB disk into session and eject it from the menu.
  NOTE:These issues are VMware issues. Dell Technologies recommends that you contact the VMware support team for further assistance

Limitation and known issues of Multimedia Redirection:

• The Multimedia Redirection feature is not supported by Wyse 3040 Thin Client due to video and audio synchronization issue.
• The Multimedia Redirection video and audio does not synchronize in blast session with 4K display resolution.
• WAV file plays no sound in Horizon Linux client.
• When WMA file is stopped and played again, there is no sound output in Multimedia Redirection. This issue has been noticed in MP3 files also.
• Audio and video do not synchronize when certain videos are played on Wyse 5470 Mobile Thin Client using Multimedia Redirection.
• The display resolution 3840x2160 has video and audio synchronization issue. The maximum display resolution for Multimedia Redirection is 2560x1440 (single monitor only).

Unified Communication optimization on Wyse 3040 Thin Client:

• Due to performance issues related to high CPU usage, Dell Technologies recommends not to initiate a Unified Communication video call in Blast session on Wyse 3040 Thin Client .

• Zoom limitations:
  • Cannot use Esc to quit Zoom full screen mode.
  • If you open two Blast sessions, Zoom video may appear in the wrong session.
  • If you use the Wyse 5740 Mobile Thin Client build-in audio to make a Zoom call, it echos. Dell Technologies recommends you to use USB headset to make Zoom call.

Blast session displays a black screen after launch:

• There are chances that the launched blast session displays a black screen. In such an event, you may disconnect the session and relaunch.

VMware Integrated Printing in Blast session:

• Currently ThinOS supports only PS printer in Blast session since VMware has removed Thin print support from VMware Horizon 8.0 and VMware Horizon Client 2006. Ensure the agent version is above 7.9 and select the component VMware Integrated Printing. However, some PS model of printer may not work in Blast session, it depends on the VMware integration printing support.

Keyboard layout known issue:

• In ThinOS 9.1.2101, some keyboard layouts were supported in Blast. Here are the keyboard layouts that worked in ThinOS 9.1.2101, however cannot sync into Blast session:
  • Slovakian
  • Slovakian (Qwerty)
  • German (Switzerland)

Wyse Management Suite known issues:

• When you in check-in to the Wyse Management Suite server, a 7700 error is displayed in the event log. This issue occurs as the time is different between the client and the server, or the device registration information does not exist in the server database. In such an event, the client tries to check in to the Wyse Management Suite twice. If the check in fails, you must restart the client.
• BIOS password change using Select Group, irrespective of parent or child group is not supported. There are chances that the BIOS password may be cleared if changed.

Teradici known issue for Remote Workstation Card:

• During the Remote Workstation Card session, muting the voice does not work unless you mute the thin client. Remote Workstation Card has the same behavior on windows client. This is the default behavior of the Remote Workstation Card and is not a ThinOS issue.