Dell ThinOS 2211, 2208, and 2205 Administrator’s Guide

What's new in ThinOS 2211

• Citrix Workspace app updates
  • Citrix Workspace App package version is updated to 22.9.0.21.3.
  • Supports virtual display layout—From ThinOS 2211 and Citrix Workspace App 2209, virtual display layout on VDA is supported. See Virtual Display Layout
  • Log in to Citrix ADC using MFA with SAML, OKTA as IDP, and Citrix FAS for SSO to VDA—See Log in to Citrix ADC using MFA with SAML, OKTA as IDP, and Citrix FAS for SSO to VDA.
  • Support for extended keyboard layouts—Japanese 106 keyboard, Portuguese ABNT/ABNT2 keyboards, and Multimedia keyboards are supported in Citrix VDI sessions. See Extended keyboard layouts.
  • Microsoft Teams enhancements—From ThinOS 2211 and Citrix Workspace App 2209, App sharing is enabled in Microsoft Teams optimization mode. You can share an application using the Screen sharing feature in Microsoft Teams.
• Microsoft RDP and AVD
  • SmartCard redirection—From ThinOS 2211 and AVD package version 1.9, SmartCard can be redirected in RDP and AVD sessions.
  • Printer update in RDP/AVD session—If you want to map a printer to the RDP/AVD session, install the specific driver in the RDP/AVD session before mapping. The printer supports only PostScript (PS) drivers in RDP/AVD session.
• Teradici updates—Teradici version is updated to 22.07.3.16 in ThinOS 2211.

  If USB or Bluetooth headsets do not work properly in PCoIP sessions, you can deploy the Teradici virtual audio driver in the PCoIP session.

• Horizon Blast updates
  • Horizon package version is updated to Horizon 2209 in ThinOS 2211.
  • Supports Multi-session for a published application—When multi-session mode is enabled for a published application, you can use multiple sessions of the same published application when you log in to the server from different client devices.
• Imprivata updates—ThinOS Imprivata_PIE_7.9.000.0023.1162.pkg is supported against OneSign server 7.9.000.11 in ThinOS 2211.
• Identity Automation updates
  • Identity automation package is updated to 2.0.3.1.
  • Supports PIN Reset—You can reset your PIN from the ThinOS login window by clicking Forgot your PIN. See PIN Reset.
• Cisco Webex Meetings VDI update
  • Cisco Webex Meetings VDI version is updated to 42.10.5.15.3.
  • Added meeting action sounds—A sound is played for participants joining a meeting, leaving a meeting, raising hand, receiving a message, and waiting in the lobby.
• Cisco Webex VDI update
  • Cisco Webex VDI package version is updated to 42.10.0.23814.5.
  • Added new features:
    • Preview of shared content.
    • Choose the skin tone for your reactions.
    • See more in thumbnail videos.
    • Maximize what you see when content is shared.
    • Identify whether a meeting participant is internal, external, or unverified.
    • Hosts can set a stage view for all meeting participants.
• Cisco Jabber update—Cisco Jabber version is updated to 14.1.2.307144.7.
• Zoom update
  • Zoom Citrix and Horizon package version is updated to 5.11.9.21750.8.
  • Zoom AVD package is also supported in 5.11.9.21750.5.
• RingCentral update—RingCentral package version, RingCentral_App_Vmwareplugin_22.3.30.1, is supported in ThinOS 2211. See RingCentral.
• ControlUp update—ControlUp package version is updated to ControlUp_VDI_Agent1.0.0.1.26. See ControlUp.
• ThinOS updates
  • Admin mode login event on Wyse Management Suite 4.0 server—If you enable admin mode in Wyse Management Suite policy by going to Privacy & Security > Account Privileges and then log in, a login event is recorded. This event is recorded in Wyse Management Suite 4.0 server, whether the login is successful or not.
  • Fail to change BIOS settings event on Wyse Management Suite 4.0 server—If you publish the BIOS policy from Wyse Management Suite 4.0 server with a wrong BIOS password, a failure event is recorded. This event is recorded in Wyse Management Suite 4.0 server.
  • Supports new MIB tree in SNMPV3 —ThinOS supports MIB tree 1.3.6.1.4.1.714.1.2.6.1.2.0 to send message to client, and the message character count is raised to 255 characters. ThinOS also supports MIB tree 1.3.6.1.4.1.714.1.2.6.1.1.0 to reboot the client.
  • LPD printer service—A thin client can be configured to provide Line Printer Daemon (LPD ) services, making the thin client a printer server on the network. The LPD printer service is applied with LPT printer and SMB printer.
  • Performance Retrospective—When you click Performance Retrospective in the General tab of the Troubleshooting dialog box, CPU, Memory, and Disk data is displayed. When you click Networking, Network data like ENET and WLAN is displayed, and the data starts from terminal boot. Five-minute data is displayed by default, and you can select a time span in the list by using Prev and Next buttons.
  • VDI with Web Authentication updates
    • Tested scenarios—In case any other (or custom) web authentication pages are used, correct caching of the credentials, which results in behavior similar to ThinOS 2208 or earlier versions, cannot be guaranteed . The tested scenarios are as follows:
      • Citrix Federated Authentication Service SAML with Microsoft Azure Active Directory
      • Citrix ADC Native OTP
      • Citrix ADC MFA with SAML using OKTA as IDP and Citrix FAS for SSO to VDA
      • Horizon Workspace One Mode (On-premises)
      • Horizon Workspace One Mode (WS1 Access)
      • Horizon Workspace One Mode (WS1 Access) with OKTA IDP
      • VMware Unified Access Gateway with OKTA IDP
      • VMware Unified Access Gateway with Microsoft Azure IDP
      • Azure Virtual desktop Broker agent
    • Web Authentication Auto Login update—After setting the default credentials in Remote Connections > General Options, when you connect to a VDI Broker agent that uses Web Authentication, the default credentials passes through to the web page automatically.
    • Lock/Unlock Terminal when using Web Authentication method
      • In ThinOS 2208 (9.3.2102), after logging into a VDI Broker agent with Web Authentication and locking the ThinOS session, you must set a temporary password to unlock the system.
      • From ThinOS 2211 (9.3.3096) onwards, a temporary password is not required. You can use the password that is used at the time of logging in to unlock the system directly.
• Updated the First Boot Wizard import configuration password character limit from eight to nine—When importing the system settings configuration in First Boot Wizard, the minimum password character limit is nine characters.
• VPN Update—GlobalProtect with .pfx certificate feature is added.
• Supports Enable SD card in OptiPlex 5400 All-in-One.
• Admin Policy Tool and Wyse Management Suite policy updates
  NOTE:Wyse Management Suite 4.0 is required for Admin Policy Tool and Wyse Management Suite policy updates.
  • WINS Server —Added new option WINS Server in Network Configuration > DNS Settings. If you disable Only use DNS configuration set in DHCP, you can set WINS Server.
    NOTE:ThinOS only supports one WINS server.
  • SNMP Server List—Added a new option SNMP Server List in Network Configuration > SNMPV3 Settings.
  • TLS Control—Added new options TLS Min Protocol, TLS Max Protocol, and Select Ciphers to disable in Privacy & Security > Security Policy.
  • Reason For RDP/AVD Session Disconnect is displayed—The default value is Enable in Session Settings > RDP and AVD Session Settings. When an RDP/AVD session gets disconnected, a dialog box displays the reason for disconnection.
  • Hide Taskbar—Added a new option Hide Taskbar in Personalization > User Experience Settings > System Mode.
  • Manual Override for Closing the Lid—Added a new option Manual Override in System Settings > Power Sleep Settings > Closing the Lid (MTC only).
  • Manual Override Login Settings—Added Manual Override Login Settings in Advanced > Login Experience > Login Settings > Default Credentials. By default, the option is disabled.
  • Unified Communication Virtual Channel Settings are added in Citrix Session Settings, Blast Session Settings, and RDP and AVD Session Settings. For more information, see Dell Wyse ThinOS 2205, 2208, and 2211 Release Notes at www.dell.com/support.
  • Supports showing picture from File Server option—You can configure this option in WMS/ATP > Personalization > Screen Saver Settings > Showing Pictures > File Server option. If File server option is enabled, the client can download the screensaver images from the IIS file server.
  • Supports enabling LPD Service setting in printer—To configure this setting go to WMS/ATP > Peripheral Management > Printer > Local Printer Settings and SMB Printer Settings > Enable LPD Service. If enabled, the client can be configured to provide Line Printer Daemon (LPD ) services, that is, the client can work as a printer server on the network.
    NOTE:LPD service for LPT and SMB is not supported in AVD/RDP sessions.
  • Secure MQTT connection for the Wyse Management Suite cloud server—When the client checks in to the Wyse Management Suite cloud server, the MQTT connection is routed to a secure MQTT connection. If the secure MQTT connection fails, the cloud server falls back to a nonsecure MQTT connection.

  • SCEP renewal interval update—If the client fails to renew the certificate, the SCEP renewal interval changes from 20 s to 12 hours.

  • SMB printer update— If the SMB printer credentials field is left empty, the client uses the login credentials (not the web login authentication credentials) as the SMB printer credentials.

  • Enable Group Change Notice—Added Enable Group Change Notice in Services > WDA Settings. If this option is enabled, a dialog box is not displayed when changing the group on the thin client.

  • Enable Performance Retrospective— Added Enable Performance Retrospective in APT/WMS > Advanced > Services > Troubleshooting Settings. By default, the option is disabled. When enabled, you must first specify the device for performance retrospective and the Performance Retrospective button, which is in Troubleshooting window of the General tab, can be enabled.