How to enable multiple users login at a time in remote system

1. Log into the server and open MMC.exe.
2. File → Add/Remove Snap-in → Group Policy Object → Add → Finish → OK.
3. Double click Local Computer Policy → double click Computer Configuration → Administrative Templates → Windows Components → Remote Desktop Services → Remote Desktop Session Host → Connections.
4. Limit Number of Connections = 999999.
5. Restrict Remote Desktop Services users to a single Remote Desktop Services session = DISABLED.

1. Enable Multiple RDP Sessions
2. Log into the server using Remote Desktop.
3. Open the start screen (press the Windows key) and type gpedit.msc and open it
4. Go to Computer Configuration > Administrative Templates > Windows Components > Remote Desktop Services > Remote Desktop Session Host > Connections.
5. Set Restrict Remote Desktop Services user to a single Remote Desktop Services session to Disabled.
6. Double click Limit number of connections and set the RD Maximum Connections allowed to 999999.