Situation: A small company installed Windows Server 2019 as their first Remote Desktop Server with the User CALs. However, they receive this message: There is a problem with your Remote Desktop license, and your session will be disconnected in 60 minutes. Contact your system administrator to fix this problem.
Troubleshooting: We must to have Active Directory for running Windows Server 2019-based Remote Desktop Session Host. Otherwise, you will receive this message.
If you would like to using RDS without AD, you must install Device CALs or downgrade to Windows Server 2016.
