If you have people using it for something other than managing the server, you need to install the Terminal Services role and purchase the appropriate licenses. The two connections are for administrative use only. But I am getting message ''This computer cannot connect to remote computer try reconnecting again. If 2 users already login in to the server and 3 rd user trying to login then it should return message which user you want to disconnect means it will give chance to us to disconnect current user. Normally Server 2008 r2 will accept 2 active connections and one console connection. But It returns an error message, "This computer cannot connect to the remote computer" instead of the usual "who do you want to disconnect" message. If a third remote session tries to connect, it gets a message stating "Select a user to disconnect so that you may login" and it shows you the two current users, and allows you to disconnect one of their sessions. Normally, by default, 2008 R2 server allows two RDP sessions. Select a user to disconnect so that you can sign in. Windows logon select a user to disconnect so that you may login
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