Administrator Guide

Scenario 1: When the mouse cursor is located in an RDP session—In this scenario, if you press Ctrl + Alt + Down and select the
user to log in to ThinOS, only the session with the mouse cursor is minimized and ThinOS desktop is displayed on the screen. Other
RDP sessions remain unchanged.
Scenario 2: When you start an RDP session on the primary display with Default on screen x—In this scenario, ensure that
the RDP session on primary display has the mouse cursor. To switch back to the ThinOS desktop screen, press Ctrl + Alt +Down and
select the user to log in to ThinOS.
Scenario 3: When you press Ctrl + Alt + Down and select the System Information window—In the scenario, the window is
displayed on the screen irrespective of the cursor position.
Scenario 4: When you want to display the Connect Manager window—In this scenario, you must minimize the RDP session and
open the ThinOS client desktop screen where the Connect Manager is located. Press Ctrl + Alt + Down and select
Connect
Manager.
Features of RDP protocol
Remote Desktop Protocol (RDP) is a network communications protocol developed by Microsoft that enables you to remotely access
virtual desktops and applications. This section describes the functionality of ThinOS over RDP protocol.
RDP H.264
On ThinOS, all logs of H.264 and H.264-AVC444 are hidden, and are not displayed in the Event Log tab.
The following table describes the RDP H.264 functionality matrix:
Table 20. RDP H.264 functionality matrix
RDP H.264 Session connection Support platforms
H.264 is not enabled. Windows 7/ Windows Server 2008
R2
Wyse 5470 Thin Client
Wyse 5470 All-in-One Thin Client
H.264 is automatically disabled for display
resolutions higher than 2048 x 1280.
Windows 8.x/ Windows Server 2012
R2
H.264 is automatically disabled for display
resolutions higher than 3840 x 2160.
Windows 10/Windows Server 2016
NOTE:
Windows 10/Window Server 2016 must be hosted in Microsoft RDS 2016 broker for enabling H.264-AVC444.
H.264 logs and H.264-AVC444 logs are hidden and not displayed in the Event Log tab.
Configure H.264 AVC444 in RDP 10 session
Prerequisite—Windows 10 or Windows Server 2016 must be created in Microsoft RDS 2016 broker or in the latest VMware View broker.
NOTE:
H.264-AVC444 is also used in Windows 8.1 with RemoteFX GPU configured.
To configure the H.264 AVC444 in an RDP 10 session:
1. In the Windows session host, run gpedit.msc.
2. Open the Local Group Policy Editor.
3. Navigate to Computer Configuration > Administrative Templates > Windows Components > Remote Desktop Services >
Remote Desktop Session Host > Remote Session Environment, 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
4. Open cmd.exe and run gpupdate /force, or restart the server.
VOR codec in RDP session
When you are playing video in an RDP session—Windows 8.1, Windows 2012 R2, Windows 10, and Windows 2016—VOR codec is used.
NOTE:
Dependence 1—RDP GFX status, H.264, and VOR work only when GFX is enabled.
92 Configuring the connection brokers