Intended strictly for server maintenance and management.
If you do eventually buy licenses, you must tell the server which "mode" to use: windows server 2019 remote desktop services license free
Let’s get one fact out of the way immediately: Intended strictly for server maintenance and management
: Allows unlimited concurrent connections (within hardware limits) for initial configuration and testing. windows server 2019 remote desktop services license free
This often happens if the RDS Licensing Role Service is installed but no CALs are added. For the grace period to function correctly, sometimes it is best to remove the "Remote Desktop Licensing" role service from the server if you are only testing.