Licensing: Windows Server 2019 Remote Desktop Services
When you install the Remote Desktop Session Host role on Windows Server 2019, a begins automatically. During this window, unlicensed users can connect. This is designed for testing.
License Remote Desktop Services with Client Access Licenses (CALs) Windows Server 2019 Remote Desktop Services Licensing
A standard Windows Server CAL does not grant permission to use Remote Desktop Services. If a user accesses the server via RDP to run a line-of-business app, you need both a Server CAL and an RDS CAL. When you install the Remote Desktop Session Host
