- Notes, cautions, and warnings
- Introduction
- Supported platforms
- What's new in ThinOS 9.0.4024 (MR3) release?
- What's new in ThinOS 9.0.3030 (MR2) release?
- What's new in ThinOS 9.0.2081 (MR1) release?
- What's new in Wyse Management Suite 2.1?
- What's new in ThinOS 9.0?
- What's new in Wyse Management Suite 2.0?
- Feature comparison between ThinOS 9.0 and ThinOS 8.6
- Other documents you may need
- Upgrading the ThinOS firmware
- Register ThinOS devices to Wyse Management Suite
- Download the ThinOS firmware, BIOS, and application packages
- Add ThinOS firmware to the repository
- Upgrade ThinOS 8.6 to ThinOS 9.x
- Upgrade ThinOS 9.x to later versions using Wyse Management Suite
- Upgrade ThinOS 9.x to later versions using Admin Policy Tool
- Upload and push ThinOS 9.x application packages using Wyse Management Suite
- Upload and install ThinOS 9.x application packages using Admin Policy Tool
- Firmware installation using Dell Wyse USB Imaging Tool
- Upgrade BIOS
- Edit BIOS settings
- Downgrade to ThinOS 9.0.1136 by using Wyse Management Suite
- Delete ThinOS application packages
- Getting started with ThinOS 9.0
- End User License Agreement
- Configure ThinOS using First Boot Wizard
- Configure account privileges for ThinOS
- Connect to a remote server
- Connecting a display
- Connecting a printer
- Desktop overview
- Using the taskbar
- Classic desktop features
- Configuring thin client settings and connection broker settings
- Configure ThinOS using Admin Policy Tool
- Locking the thin client
- Shut down and restart
- Battery information
- Login dialog box features
- View the system information
- Sleep mode
- Import certificates to ThinOS from Admin Policy Tool or Wyse Management Suite
- ThinOS system variables
- Configuring the global connection settings
- Configuring connectivity
- Configuring the network settings
- Configuring the remote connections
- Configure the broker setup
- Configure the General Options
- Configure the authentication settings
- Configure the Imprivata OneSign server
- Configure objects on Imprivata Server
- Enroll a proximity card with Imprivata OneSign
- Use smart card as proximity card
- Imprivata Bio-metric Single Sign-On
- Grace period to skip second authentication factor
- Imprivata OneSign ProveID Embedded
- Configure the OneSign Appliance
- Configure the OneSign Admin Console
- Install the Imprivata PIE package on ThinOS
- Enable PIE mode on ThinOS
- Uploading OneSign appliance SSL certificate
- Import the OneSign appliance SSL certificate automatically
- Import OneSign appliance SSL certificate manually
- Configure Fast User Switching on ThinOS
- Configuring the central configurations
- Configure the VPN Manager
- Configuring the connection broker—Citrix
- Citrix Workspace app feature matrix
- Configure the Citrix broker setup
- Citrix HDX RealTime Optimization Pack for Skype for Business
- Cisco Jabber Softphone for VDI
- Microsoft Teams Audio Optimization
- Citrix ADC
- Citrix Cloud services
- Automatically configure using DNS for email discovery
- Citrix HDX Adaptive transport (EDT)
- HDX Adaptive Display V2
- Browser Content Redirection
- HTML5 Video Redirection
- Windows Media Redirection
- Enable UDP audio in a Citrix session
- QUMU Video Optimization Pack for Citrix
- Keyboard layout synchronization in VDA
- Citrix Self-Service Password Reset
- Citrix SuperCodec
- Anonymous logon
- Configure the Citrix session properties
- Using multiple displays in a Citrix session
- USB Printer Redirection
- Configure the Citrix UPD printer
- Configuring the thin client local settings
- Using the system tools
- Using Wyse Management Suite
- Troubleshooting your thin client
- Capture an HTTP log using ThinOS
- System crashes, freezes or restarts abruptly
- Broker agent login failure
- Citrix desktop and application crashes abruptly
- Cisco Jabber and Skype for Business call failure
- Request a log file using Wyse Management Suite
- View audit logs using Wyse Management Suite
- System log and trace information
- Upgrade or conversion troubleshooting and logs
- How to debug with new support beyond ThinOS 8?
- How to debug with same support in ThinOS 8?
- Common log files and locations
- Frequently Asked Questions
- ThinOS-related questions
- How do I upgrade from ThinOS 8.6 to 9.0?
- What should I do if the package installation fails?
- Is Wyse Management Suite 2.0 the only way to manage ThinOS 9.0?
- Is USB Imaging Tool method a possible option for upgrading to ThinOS 9.0?
- Can ThinOS 9.0 be installed on a PCoIP device?
- Does ThinOS 9.0 support zero desktop?
- Does ThinOS 9.0 support ThinOS configurations using INI files?
- iPhone cannot be redirected to the Citrix Desktop session
- Android smartphone is not displayed in the session when redirected or mapped
- Does Citrix Workspace app replace Citrix Receiver on ThinOS?
- What is Workspace mode on ThinOS 9.0?
- Can I enable Flash content to be rendered using a local Flash Player on ThinOS 9.0?
- How do I verify if HDX Enlightened Data Transport Protocol is active?
- How do I check if HTML5 Video Redirection is working?
- How do I check if QUMU Multimedia URL Redirection is working?
- How do I check if Windows Media Redirection is working?
- Is persistent logging supported in ThinOS 9.0?
- Is tls.txt file included in network traces on ThinOS 9.0?
- Will ThinOS 9.0 device reboot automatically when the system crashes?
- Wyse Management Suite-related questions
- ThinOS-related questions
Dell Wyse ThinOS Version 9.0 Administrator’s Guide
Downgrade to ThinOS 9.0.1136 by using Wyse Management Suite
Prerequisites
- Ensure that you have upgraded to the version newer than ThinOS v9.0.1136.
- Ensure that your thin client is registered to Wyse Management Suite v2.1.
- Ensure that you have created a group in Wyse Management Suite with a group token.
- Ensure that you have downloaded the ThinOS v9.0.1136 base image firmware from www.dell.com/support.
Steps
- Log in to Wyse Management Suite.
- Go to the Groups & Configs page, and select your preferred group.
-
From the
Edit Policies drop-down menu, click
ThinOS 9.x.
The Configuration Control | ThinOS window is displayed.
- In the left pane, click Advanced.
- From the Advanced menu, expand Firmware, and click OS Firmware Updates.
- Click Browse and select the ThinOS firmware to upload.
- From the Select the ThinOS Firmware to deploy drop-down menu, select the uploaded firmware.
-
Click
Save & Publish.
Wait for the thin client to display a message for firmware downgrade. The thin client starts downloading the firmware.NOTE You cannot downgrade from ThinOS 9.0 MR1 to ThinOS 8.6.
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