Windows Server 2008 R2 Modify the number of Remote Desktop connections

First step: Open Remote Desktop:
Computer---Properties---remote settings---Check "Allow computer connections to run any version of Remote Desktop (less secure)"

Step Two: Set the maximum number of Remote Desktop connections
Control Panel--> management Tools--> Remote Desktop Services--> Remote Desktop Session Host settings--> remove the "restrict each user to only one session" check, and then double-click rdp-tcp in the connection---network adapter--Maximum number of connections modified to 2 At this point, the number of Remote Desktop connections is set to 2.