RDS Setup ( Remote desktop services )
Add roles to the servers for session host, licencing, remote gateway.
RDS licencing error
If you are getting an error with a session host not finding a licence server make sure the following settings are enabled in local group policy:
Computer Configuration\ Administrative Templates\ Windows Components\ Remote Desktop Services\ Remote Desktop Session Host\ Licensing
Use the specified Remote Desktop license servers Enabled
Set the Remote Desktop licensing mode Enabled
RDS Lockdown for end users
See this post for details:
http://www.it.ltsoy.com/windows/lock-down-remote-desktop-services-server-2012/