Policy
Use WDDM graphics display driver for Remote Desktop Connections
This policy setting lets you enable WDDM graphics display driver for Remote Desktop Connections. If you enable or do not configure this policy setting, Remote Desktop Connections will use WDDM graphics display driver. If you disable this policy setting, Remote Desktop Connections will NOT use WDDM graphics display driver. In this case, the Remote Desktop Connections will use XDDM graphics display driver. For this change to take effect, you must restart Windows.
b822a3deb748 TS_SERVER_WDDM_GRAPHICS_DRIVER Registry
Copy registry mappings
HKLM\SOFTWARE\Policies\Microsoft\Windows NT\Terminal Services\fEnableWddmDriver (enabled) = 1
HKLM\SOFTWARE\Policies\Microsoft\Windows NT\Terminal Services\fEnableWddmDriver (disabled) = 0 Policy notes
This policy setting lets you enable WDDM graphics display driver for Remote Desktop Connections. If you enable or do not configure this policy setting, Remote Desktop Connections will use WDDM graphics display driver. If you disable this policy setting, Remote Desktop Connections will NOT use WDDM graphics display driver. In this case, the Remote Desktop Connections will use XDDM graphics display driver. For this change to take effect, you must restart Windows.