Setting up a RDP on Linux with Windows 2008 Remote Desktop with Network Level Authentication
The following may be out of installation order:
Download and install libfreerpd
sudo dpkg -i libfreerdp1_1.0.1-1_amd64.deb
Download and install freerdp version 1.0 or later
sudo dpkg -i freerdp-x11_1.0.1-1_amd64.deb
Download and install the Open Source rdpdesktop
sudo dpkg -i rdpdesk_3.3.0-0_amd64.deb
First setup your authentication certificates
/usr/sbin/xfreerpd -u username -d domainname servername
You will be prompted to enter your Domain Password
You will be prompted to trust the certificate
Ignore any errors. If it fails run xfreerdp again and it will authentcate now that you have the servers Thumbprint.
The xfreerdp process will need ran once for each server from terminal that you are going to connect to.
Run RDPDESKTOP software and setup your server connections.
Be sure to choose “RDP Protocol (freerdp) to use the Network Authentication that you previously setup.