You can enable or disable the performance features for the graphical display according to the bandwidth of the network connection.
Speed of the network connection: Choice of graphical display modes
Modem 28 kbps: The Enable RemoteFX performance feature is enabled.
Modem 56 kbps: The Themes and Enable RemoteFX performance features are enabled.
Broadband: The Menu and window animation, Show contents of window while dragging, Themes and RemoteFX performance features are enabled.
LAN: The Desktop background, Font smoothing, menu and window animation, show window content when moving windows, user interface design and RemoteFX performance features are enabled.
Custom: The performance features can be enabled or disabled individually.
The desktop background image for the session will be shown.
Edges will be smoothed when text is displayed.
Menu and window animation
Transitions for menus and windows will be animated.
Show contents of window while dragging
The window content will be shown when a window is moved.
The design of the desktop can be modified.
Microsoft RemoteFX will be used.
If this option is enabled, the following parameters will be set automatically:
The desktop background, font smoothing, menu and window animation, show window content when moving windows and user interface design performance features will be enabled internally, regardless of what is selected under Speed of the network connection.
The color depth will be set internally to 32 Bit, regardless of the value set under Setup > Parallels Client > Parallels Client Sessions > Parallels Client Session > Local Resources > Selection Color Depth.
Adaptive RemoteFX (RDP 8.1):
RemoteFX Progressive and H.264 (RDP 8.1) Parallel 2X options are enabled.