
In this case, you would need to purchase a device CAL for every device used to access the server. Example: Employees share devices, such as shift workers, or there are likely more employees than devices in the organization. RDS Device CAL - for every device that accesses your server, regardless of the number of users who use that device to access the server. In this case, you would need to purchase a user CAL for every user who accesses the server, regardless of the number of devices they use for that access. Example: Employees access the corporate network using multiple devices or if there are simply more devices than users in the organization. RDS User CAL - for every user who accesses the server to use services such as file storage or printing, regardless of the number of devices they use for that access. There are two type of RDS ( r emote d esktop s ervices) cal:

On Windows Server 2019 RDS e ach Remote Desktop session is independent, with the host operating system managing without conflict between multiple users contending for shared resources.

Remote Desktop Services 2019 (known as Terminal Services) - is the capability of the Windows Server 2019 operating system and able to provide connectivity to end users to get access Windows desktops and applications remotely including delivering individual virtualized applications, providing secure mobile and remote desktop access, and providing end users the ability to run their applications and desktops from the cloud.
