- Notes, cautions, and warnings
- Introduction
- Getting started
- Configuring ThinOS using the First Boot Wizard
- Connecting to a remote server
- Using your desktop
- Configuring thin client settings and connection settings
- Connecting to a printer
- Connecting to a monitor
- Locking the thin client
- Signing off and shutting down
- Additional getting started details
- Classic desktop features
- Login dialog box features
- Accessing system information
- Global Connection settings
- Configuring the connectivity
- Configuring the network settings
- Configuring the remote connections
- Configuring the central configurations
- Configuring the VPN Manager
- Configuring the connection brokers
- Configuring Citrix
- Citrix HDX RealTime Multimedia Engine or RealTime Optimization Pack
- Citrix icon refresh
- Using multiple audio in Citrix session
- Using Citrix NetScaler with CensorNet MFA authentication
- Configuring ICA connections
- ICA Self Service Password Reset
- QUMU or ICA Multimedia URL Redirection
- HTML5 Video Redirection
- ICA SuperCodec
- Anonymous logon
- Configuring the Citrix UPD printer
- Introduction to Flash Redirection
- Configuring VMware
- Configuring Microsoft Remote Desktop
- Configuring Dell vWorkspace
- Configuring Amazon Web Services or WorkSpaces
- Configuring Citrix
- Configuring thin client settings
- Introduction to TCX Flash Redirection
- Performing diagnostics
- BIOS management on ThinOS
- Security
- Automating updates and settings using central configuration
- Examples of common printing configurations
- Important notes
- Troubleshooting
- Firmware upgrade
- Frequently asked questions
Dell Wyse ThinOS Version 8.5 Administrator’s Guide
Supporting RDP H.264 AVC444
RDP uses the ITU-T H.264 graphics compression (codec), also known as MPEG-4 AVC (Advanced Video Coding). In RDP 10, AVC/H.264 supports the full-screen AVC 444 mode. By default, this mode is enabled on thin clients for Windows 10 and Windows 2016 remote sessions.
As a pre-requisite, navigate to Group Policy Editor (gpedit.msc) in , and enable the following policies:
- Prioritize H.264/AVC 444 Graphics mode for Remote Desktop connections
- Configure H.264/AVC hardware encoding for Remote Desktop connections
The original H.264 codec only transfers YUV420 frames. However, some chroma data from sampled YUV444 frames is discarded. The feature that allows the lost chroma data of a frame is transferred using the same method as applied to the sampled YUV420 data. This improves the image qualities with many artificial sharp edges, and mounts of regular color boundaries, such as texts. Therefore, the image quality can be compressed using the same H.264 technology by using the same set of software or hardware, instead of using a different codec. This results in more scalability on system work load and network bandwidth occupation.
NOTE:In ThinOS v8.5, the RDP 8.1 session uses the original H.264 codec.
For more information about Remote Desktop Protocol (RDP)10 AVC/H.264 improvements in Windows 10 and Windows Server 2016, see cloudblogs.microsoft.com/enterprisemobility/2016/01/11/remote-desktop-protocol-rdp-10-avch-264-improvements-in-windows-10-and-windows-server-2016-technical-preview.
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