"Restrict Remote Desktop Services user to a single Remote Desktop Services session." "Limit number of connections" and set it to 99 or more.
By default, consumer versions of Windows (Home and Pro) limit the system to one active session—either local or remote. If a second user attempts to log in via Remote Desktop (RDP), the existing user is disconnected. This patch modifies the core library responsible for these services to allow multiple simultaneous sessions. universal termsrv.dll patch windows 10
Let’s be real: this is a , not a feature. "Restrict Remote Desktop Services user to a single