Why are the RDP and VNC slow on BlackBerry 10?

Home Support VNC/RDP/ARD Why are the RDP and VNC slow on BlackBerry 10?

To improve the performance of the RDP and VNC on BlackBerry 10 you will need to install the ITmanager.net 4.0 App, available for download here:

https://appworld.blackberry.com/webstore/content/55862887/

To verify the version of the app you currently have installed, check the application about section shown on the left, or the application settings shown on the right: