Why can't connect to rdp Ubuntu16 through Windows 7?

Question

RDP

I did everything as it is written here , I try to connect through windows 7, after a successful connection it gives an error " the connection was lost due to a network error " and then I can't connect. It gives an
error that remote access to the server is not enabled
. but I get the error again

Answer 1

where are the logs? (syslog, xorg log)
I saw in the crystal ball: there is an error in encryption, you need to disable it.