Microsoft Windows Remote Desktop Services CAL are client licenses for the Windows Remote Desktop service that provide secure connection of remote users, access from managed or unmanaged devices, connection to desktops based on sessions or virtual machines, as well as the use of data center applications on corporate networks or from the Internet.
Microsoft Windows Remote Desktop is part of the flexible licensing system for Windows Server 2022, which gives customers the opportunity to use the improvements that make it the optimal version of RDS today.
Microsoft Windows Remote Desktop allows users to work with the graphical desktop and Windows applications via remote access. Desktop networks can be managed centrally using the appropriate client licenses (CAL).
A Client Access License (CAL) is required for each user and device that connects to a remote desktop session host. An RDS licensing server is required to install, release, and track RDS client licenses.
When a user or device connects to the Remote Desktop Session host server, the Remote Desktop Session host server determines whether a Remote Desktop Services client license is required.