- Notes, cautions, and warnings
- Overview
- ThinOS 9.1.3129
- Release summary
- Firmware upgrade
- Compatibility
- New and enhanced features
- Limitations
- Tested environments matrix
- Supported peripherals
- Supported smart cards
- Known issues
- Fixed issues
- ThinOS 9.1.3112
- ThinOS 9.1.2101
- Release summary
- Firmware upgrade
- Compatibility
- New and enhanced features
- Flash protection reliability
- Keyboard layout updates
- New options added for Customize Privilege Level
- Supports external secure MQTT for Wyse Management Suite server
- New background picture for ThinOS
- Shutdown menu update
- Display port audio design enhancement
- Poly EagleEye Mini webcam support
- VNC password restriction
- Proxy
- Citrix Workspace App update
- Microsoft Direct Remote Desktop Protocol updates
- Windows Virtual Desktop
- HID fingerprint reader support
- Imprivata updates
- Teradici cloud access updates
- Supports the Bloomberg keyboard
- Important notes
- Limitations
- Tested environments matrix
- Tested peripherals
- Tested smart cards
- Known issues
- Fixed issues
- ThinOS 9.1.1131
- Upgrade to ThinOS 9.1 from ThinOS 8.6
- Compatibility
- ThinOS 9.1 and ThinOS 8.6 feature comparison
- New and enhanced features
- New ThinOS features
- About Admin Policy Tool
- Feature list of Admin Policy Tool
- Support for Wyse Management Suite 3.1
- Smart card sign-in
- Enhanced User Interface
- Account privileges
- Change group notice
- Download notice
- New system tray items
- New DHCP option tag
- Captive portal detection for wireless
- EPOS connect headset support
- Jabra Xpress headset support
- Install the operating system image and packages using Admin Policy Tool
- New Citrix features
- Citrix multiple virtual channels
- Microsoft Teams optimization
- Microsoft Teams optimization feature matrix
- Microsoft Teams optimization limitations
- Zoom optimization on Citrix
- Zoom optimization feature matrix
- Zoom optimization known issues
- Cisco Webex Teams optimization
- Cisco Webex Teams optimization on Citrix Workspace app feature matrix
- Cisco Webex Teams optimization known issues
- Cisco webex meetings optimization
- Cisco Webex Meetings optimization feature matrix
- Cisco Webex Meetings optimization known issues
- Cisco Jabber Softphone for VDI
- Cisco Jabber Softphone for VDI support matrix
- Cisco Jabber Softphone for VDI limitations
- Federated Authentication (SAML/Azure AD)
- Browser Content Redirection
- Citrix HDX Adaptive transport (EDT)
- HDX Adaptive Display V2
- Citrix ADC Native OTP
- Autoconfiguration of email-based account discovery using DNS
- Desktop Viewer/Toolbar
- Workspace mode
- Citrix printer update limitations
- Citrix printer update
- Keyboard Layout Mode
- VMware Horizon
- VMware Horizon Management and configuration
- Unified Access Gateway
- Scanner redirection
- Serial ports redirection
- FIPS-140-2 mode
- Session collaboration
- Battery state redirection
- Workspace ONE mode
- Relative mouse
- Limitations for VMware Horizon
- Zoom optimization on VMware
- Zoom optimization on VMware feature matrix
- Zoom optimization known issues
- Cisco Webex Teams optimization on VMware
- Cisco Webex Teams optimization on VMware feature matrix
- Cisco Webex Teams optimization known issues
- Cisco Jabber Softphone for VDI on VMware
- Cisco Jabber Softphone for VDI support matrix on VMware
- Cisco Jabber Softphone for VDI limitations on VMware
- Microsoft Teams on VMware
- Microsoft Windows Virtual Desktop and Remote Desktop Services
- Teradici Cloud Access and Amazon Workspaces
- Imprivata
- Identity automation
- New ThinOS features
- Changes from ThinOS 8.6
- What is removed compared to ThinOS 8.6
- Important notes
- Tested environments matrix
- Tested peripherals matrix
- Fixed issues
- Known issues
- Security package 20210923_1.0.0.12 for ThinOS 9.1.3129
- Cisco WebEx Meetings VDI 41.6.1.10_2 package for ThinOS
- Citrix Workspace app 2106 package for ThinOS
- Citrix Workspace app 2104 package for ThinOS
- Resources and support
- Contacting Dell
Dell Wyse ThinOS Version 9.1.3129, 9.1.3112, 9.1.2101, and 9.1.1131 Operating System Release Notes
Upgrade to ThinOS 9.1 from ThinOS 8.6
Use the Wyse Management Suite version 3.1 or later to upgrade your ThinOS 8.6-based thin clients to ThinOS version 9.1. Dell Technologies recommends that you use Dell Wyse Management Suite for large deployments.
You cannot boot into ThinOS 9.1 when you perform the following operations in BIOS setup:
- Disable onboard Network Interface Card (NIC), Trusted Platform Module (TPM), or Platform Trust Technology (PTT).
- Clear TPM or PTT.
For more information about how to upgrade from ThinOS version 8.6 to ThinOS version 9.1, see the Dell Wyse ThinOS Version 9.1 Migration Guide at www.dell.com/support.
NOTE:All device settings are erased after you upgrade from ThinOS 8.6 to 9.1 except the Wyse Management Suite server settings, wireless connections, wireless certificates, and proxy. You must back up your device settings before you start the upgrade process. Once upgraded to ThinOS 9.1, you can downgrade to ThinOS 8.6 only by using the Merlin image.
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