Hello NCU Manager,
Considering the two warnings, have you correctly identified the Remote Desktop License Server and configured the license mode using both the GUI and group policy?
Additionally, please check for any error messages in the event log.
Making Sense of RDP Connection Event Logs
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It's generally not recommended to install RDS on a DC due to security risks and performance concerns. If an unauthorized user gains access through a remote desktop connection, there is a potential risk of compromising the entire domain. Furthermore, running RDS on a PDC may adversely impact the performance of crucial domain services, potentially affecting the overall stability of the Domain Controller.
Regards,
Karlie