PLEASE NOTE: RDS CAL licences require technical activation in Server Manager. These licences are not the CAL versions required for Microsoft auditsa serial number is provided for activating user or device CALs in Windows Server environments. Windows Server Remote Desktop Services 2019 is a component of the Windows Server operating system that allows users to access applications and desktops remotely. It provides a secure and scalable solution for delivering virtual desktops, session-based desktops, and remote applications to users across different devices. Here is a detailed description of Windows Server Remote Desktop Services 2019: Remote Desktop Session Host (RDSH): RDSH is a role in Windows Server that enables multiple users to access Windows desktops and applications simultaneously on a Remote Desktop Session Host server. It allows for session-based desktop deployments where users connect to a shared server and run their applications within separate sessions. Remote Desktop Vir