Windows Server 2019 RDS requires two types of licenses:

: Each device has a unique license, regardless of the user accessing the RDS server from that device.

: Ideal for developers and lab environments, providing licenses at a lower entry point for non-production use. Linux-Based Alternatives

To use Windows Server 2019 Terminal Services legally, organizations must purchase the appropriate RDS CALs (Client Access Licenses) for their users or devices and a Windows Server 2019 license.