CAL (Client Access License) is the authorization to access the server and use its services. A CAL is not software.   Remote Desktop 2022 Device CAL The Remote Desktop Service CAL , also called RDS CAL, is part of the Microsoft licensing model . With it it is possible to access the Win Server 2022 Standard 16/24 Core or the Win Server 2022 Datacenter 16/24 Core from outside. This means that the Remote Desktop Service Device CAL for remote access is similar to the Win Server 2022 Standard Device CAL with the difference that the device is not integrated locally. What does the RDS Device CAL include? Unlike the Win Server 2022 Standard User CAL , which is basically the same as the Remote Desktop 2022 User CAL , this license is applied per device . It is therefore not bound to a user, but to a device or a client computer as soon as it connects to the server for the remote desktop session. Usually a temporary license is issued. Once access is terminated, it can be reissued. This t...