- Notes, cautions, and warnings
- Overview
- Version matrix
- ThinOS 9.1.6108
- ThinOS 9.1.5067
- ThinOS 9.1.4234
- Release date
- Downgrading the ThinOS firmware
- Firmware upgrade
- Compatibility
- New and enhanced features
- Tested environments matrix
- Supported peripherals
- Supported smart cards
- Fixed issues
- Known issues
- ThinOS 9.1.4097
- Release date
- Compatibility
- New and enhanced features
- Wireless chipset support and limitation for OptiPlex 3000 Thin Client
- VMware Horizon Blast updates
- Teradici PCoIP update
- Microsoft Windows Virtual Desktop update
- Unified Communications optimization packages update
- Identity automation updates
- Imprivata PIE limitation
- ThinOS updates
- Updates to Admin Policy Tool and Wyse Management Suite policy settings
- Tested environments matrix
- Supported peripherals
- Supported smart cards
- Known issues
- Security package 20220330_1.0.1.2 for ThinOS 9.1.6108
- Citrix Workspace app 2112, VMware Horizon 2111, Cisco WebEx Meetings VDI 41.12, Cisco WebEx VDI 41.12, and Zoom 5.8.4 application packages for ThinOS
- Release summary
- Supported platforms
- Important notes
- Installing the application package
- Compatibility
- New and enhanced features
- Citrix Workspace app updates
- Microsoft Teams update
- Citrix Workspace app limitations
- VMware Horizon updates
- Cisco WebEx Meetings VDI updates
- Cisco WebEx VDI updates
- Zoom application package updates
- Tested environments matrix
- Known issues
- Cisco WebEx Meetings VDI 41.10, Cisco WebEx VDI 41.10, Citrix Workspace app 2109, and HID fingerprint reader 210217_11 packages for ThinOS
- Resources and support
- Contacting Dell
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Dell Wyse ThinOS Version 9.1.4097, 9.1.4234, 9.1.5067, and 9.1.6108 Operating System Release Notes
Known issues
| Issue ID | Description | Workaround |
|---|---|---|
| DTOS-5726 | VNC settings timeout type and the timeout policy do not show the expected values when launching a VNC client. | There is no workaround in this release. |
| DTOS-6426 | There is no audio on the videos played using Multimedia redirection. This issue is observed on devices that run ThinOS version 9.1.5067 with Citrix Workspace app version 2112. | Go to on the client and click OK. The audio resumes playing. |
| DTOS-5761 | Webcam redirection on 32-bit applications does not work with 1280x720p video resolution. gs_read1.0 CPU usage displays 100%, and the client stops responding after about 10 minutes. | Reduce the webcam resolution to 320p or 480p from ThinOS . |
| DTOS-6386 | During a Citrix session, if you enable multiple audio and open the Recording tab from the Sound window, the session gets disconnected. This issue is observed on devices that run ThinOS version 9.1.5067 with Citrix Workspace app version 2112. | Do not open . You cannot switch the recording device in Windows Sound settings. |
| DTOS-6920 | The client does not download package files from Wyse Management Suite. The client does not retry the download either. Error 7700, 115 is displayed in the event log. | Check in Wyse Management Suite again manually or reboot the client. |
| DTOS-7008 | During a VDI session, Citrix HDX audio volume bar gets adjusted when using the volume control buttons on the keyboard. The issue is observed on Wyse 5470 All-in-One thin clients. | If Enable volume control for client volume is added as part of Admin Policy Tool, the user does not have to adjust volume in the VDI session. |
| DTOS-7108 | If you set Close lid action on battery power to shut down device when you have an external monitor connected to the thin client, the external screen stays lit. The issue is observed on Wyse 5470 thin clients. | There is no workaround in this release. |
| DTOS-6958 | An error message that states Unable to connect you to your desktop. Try again or contact your administrator for assistance is displayed on the PIE login window after signing off from a VDI session. The issue is observed on Imprivata version 7.7.1134. | Ignore this error message. It does not impact Imprivata OneSign server connection. |
| DTOS-7414 | Skype for Business calls with 32-bit Skype for Business application, without using RTME, has an audio and video lag of 4-5 s. The issue is observed on Wyse 3040 thin clients. | Use RTME for Skype for Business calls. |
| DTOS-7385 | Audio is sometimes noisy and not audible on Zoom meetings while using 32-bit Zoom VDI application and Citrix HDX Webcam. The issue is observed on Wyse 5470 All-in-One thin clients. | Do Zoom meeting with optimization enabled. |
| DTOS-7092 | Imprivata does NOT work in PCoIP session. The issue is observed on clients with Horizon version 2111 and Imprivata 7.7. | Do not use Horizon 2111 environment. Use Blast protocol. |
| DTOS-6837 | JVDI cannot register with VMware Blast. | Do not register manually. Wait about 5-10 m, JVDI will register automatically. |
| DTOS-7038 | Citrix broker connections display an error that states An unknown login error occurred when setting broker timeout as 5 seconds. | Use the default settings for . |
| DTOS-6741 | The default audio input and output device does not change when you change the default audio device from the application in a session. The default device that is selected on the client is used for audio input and output. The issue occurs when multiple audio is enabled. This issue is observed on devices that run ThinOS version 9.1.5067 with Citrix Workspace app version 2112. | Disable multiple audio. |
| DTOS-7257 | OK button under the properties window does not work in Citrix ICA session. | There is no workaround in this release. |
| DTOS-7400 | Camera settings for Logitech webcam models do not display any resolution and frames per second. | The issue is observed only on secondary cameras. Use the primary camera |
| DTOS-7380 | Horizon Universal Broker cannot be connected. | Universal Broker is not supported in this release. |
| DTOS-7403 | Customizing the supported FPS for HDX webcam is not supported when using HDX webcam technology. | There is no workaround in this release. |
| DTOS-7185 | No default camera option in Admin Policy Tool. | This feature is not supported in this release. |
| DTOS-7064 | After disabling network proxy in Wyse Management Suite policy settings, Admin Policy Tool still displays the default settings. Wyse Management Suite settings are not synced with Admin Policy Tool. | There is no workaround in this release. |
| DTOS-6894 | Network speed is slow when you connect the network cable to monitor for PCR. The issue is observed on Wyse 5470 thin client. | There is no workaround in this release. |
| DTOS-7313 | Jabra Evolve 75 headset that is mapped to a Citrix session desktop keeps showing Connected and Not Connected status repeatedly. | Do not use Jabra Evolve 75 headset. |
| DTOS-7405 | Camera settings does not update automatically when you disconnect and plug back in external camera. The issue is observed on Wyse 5470 thin clients. | Close the camera settings and reopen. |
| DTOS-7417 | After disabling WMS, it still checks the Group registration code on ThinOS UI. The issue is observed on Wyse 5470 thin clients. | Do not disable WMS when group key is empty. |
| DTOS-6998 | The external camera with HDX webcam redirection in 32-bit applications does not work on Wyse 5470 All-in-One thin clients. On Wyse 5070 thin clients, second camera does not work. | Use only the built-in camera on Wyse 5470 and 5470 All-in-One thin clients. Connect only one camera to Wyse 3040, 5070 or OptiPlex 3000 thin clients. |
| DTOS-7449 | Smartcard fails to log in Citrix broker after disconnecting or reconnecting ICA session multiple times. | Remove and replugin smartcard. |
| DTOS-7472 | Sometimes the camera settings do not sync from Wyse Management Suite to wfclient.ini. | Reboot the client. |
| DTOS-5356 | High CPU usage is observed with Zoom call optimization. | The issue is due to a Zoom limitation. For more information, see https://support.zoom.us/hc/en-us/articles/201362023-Zoom-system-requirements-Windows-macOS-Linux. |
| DTOS-7160 | HEVC does not work with VMware Blast. The issue is observed on OptiPlex 3000 Thin Client. | There is no workaround in this release. |
| DTOS-7190 | When you restart the client after connecting a Bluetooth device, the Bluetooth device gets connected automatically after the restart, but the connection status is displayed incorrectly. The issue is observed on OptiPlex 3000 Thin Client. | Reconnect the Bluetooth device. |
| DTOS-7077 | Updated Static IP address is not reflecting in Systray after changing the static IP. The issue is observed on OptiPlex 3000 Thin Client. | There is no workaround in this release. |
| DTOS-8143 | Zoom Horizon VDI package does not work in a session—CIPS-26069. | For the Zoom Horizon VDI package to work in a session, it must be uninstalled and reinstalled. |
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