Computers running Horizon Agent must meet certain hardware and software requirements. What to read next Requirements and Considerations for Horizon AgentThe Horizon Agent component assists with session management, single sign-on, device redirection, and other features. You must install Horizon Agent on all virtual machines, physical systems, and RDS hosts. Remote Display Protocol and Software SupportRemote display protocols and software provide access to remote desktops and applications. The remote display protocol used depends on the type of client device, whether you are connecting to a remote desktop or a remote application, and how the administrator configures the desktop or application pool.