Windows Server 2008 Remote Desktop enables multiple users to log on with the same user name at the same time

Open it

Control Panel- Administrative Tools (Administrative Tools ) (if you cannot find the administrative tools you need to change how to view)-

Terminal Services (Remote Desktop Services)-Terminal Services Provisioning (Remote Desktop Session Host configuration)

1. Connection: Rdp-tcp Right-click, properties. network adapter-Maximum number of connections, 2.. By default, if you do not add the Terminal Services feature, the maximum can only be adjusted to 2 connections at a time.

2. Terminal Server Licensing mode: Right-click, properties. General, restrict each user to use only one session, remove tick, OK. You can log in more when you get here. If no settings are in effect, reboot.

3. Prevent spoof and prevent remote users from terminating the console administrator.
Run-gpedit.msc, Computer Configuration-Administrative Templates-windows components-Terminal Services.
Terminal Server-Connection.
Configuration: Denies the administrator who has logged on to the console session to log off, setting enabled.
Restart takes effect.

Windows Server 2008 Remote Desktop enables multiple users to log on with the same user name at the same time