The licensing server must have the appropriate CALs installed and activated. Mixing modes is possible but not recommended; choose one that matches your environment.
Need further assistance? Consult the official Microsoft documentation or speak with a licensing specialist, especially for large or complex environments involving VDI, service providers, or hybrid cloud. windows server 2019 remote desktop services license
When you first install the RDS role, Microsoft provides a 120-day licensing grace period . After this expires, users will be blocked from connecting until a valid licensing server and CALs are configured. Types of RDS CALs: Per User vs. Per Device The licensing server must have the appropriate CALs
To deploy RDS, an organization must manage two distinct licensing layers: windows server 2019 remote desktop services license