Right click on “My Computer”.

    • Go to “Manage” (Server Manager).

  • Click on Next.
  • Select  Role-based or Feature-Based Installation.  
  • Click on Next.
  • Check Mark on Select a Server from the server pool.
  • Click on Next. 
  • Select Remote Desktop Services.        
  • Click on Next.
  • Click on Next.(There is no need to select any services).
  • Click on Next.
  • Click on Add services.
  • Select Remote Desktop Licensing and Remote Desktop Session Host.
  • Click o Yes Button.
  • Click on Install Button.
  •  After complete installation process then Server will be reboot.

After Restart Server, Do the following setting on Server 2012.

After Restart Server do the following settings in Server 2012.
  • Right Click on My Computer -> Properties.
  • Click on Remote Settings.

          

  • Tick on"Allow remote connections to this computer"
  • Remove tick form"Allow connection only from computer running Remote"
                           Desktop with Network Level Authentication.

  • Click on Select Users.
         

         

  • Add User which do you want to login on remote.
  • Click on OK. 
  • After that connect thin client.