I have ubuntu 14.04, and am using lightdm. I want to login to the machine from another (windows) computer using VNC. By using the following /etc/lightdm/lightdm.conf I get a VNC server, but when I try to connect to it I get (using chrome realVNC or TightVNC client) an error 'Authentication reason: No password configured for VNC auth'
I have used vncpasswd on the machine to set a password. However this is a password for a specific user (I think). Also 'update-alternatives --list Xvnc' points to: