It appears since late of last week there is no longer the ability to RDP onto Windows 7 using the linux client Remmina. Nothing (configuration) has changed on the linux client nor the Windows 7 host with the exception of security updates being installed.
When attempting to log in, i am able to get as far as being presented a prompted with the challenge to accept the certificate however as soon as i click to accept the session closes immediately.
I am able to ping, telnet, etc the host device. No firewall rules have been changed. I have also followed all suggestions below;
I had to follow the suggestion at to get it to work however it is less than ideal