After replacement, set proper permissions:
By default, Windows Server 2019 allows for for administrative purposes without requiring additional licenses. If a third user attempts to log in, the system will prompt to disconnect one of the existing active sessions. To support more than two simultaneous users, administrators must typically install the Remote Desktop Session Host (RDSH) role and purchase Client Access Licenses (CALs) . 2. Common Administrative Configurations termsrvdll windows server 2019
"Patching" involves modifying the hexadecimal code of termsrv.dll to unlock features or remove restrictions. set proper permissions: By default