Hello @$$ANON_USER$$
Yes, you are in the right place!
If the remote machine is a Windows Server operating system:
RDP only supports 2 concurrent connections, if you need more than that, you have to purchase a Windows Server license, and you have to install related server role.
Remote Desktop Services roles Explained
If you want to allow more than 2 simultaneously sessions, RDS deployment with appropriate RDS CALs installed is also needed. The CALs can be purchased from the Microsoft store or other 3rd party resellers.
Here is a link to a set of documents "License your RDS deployment with client access licenses (CALs)" that can walk you through the process of choosing a license and activating it on the server.
Other reference article:
How to Install Remote Desktop Services 2016, Quick Start Deployment
Best Regards
Karlie
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