I found that I had to make some changes to my Ubuntu box after installing
xrdp per this article, How to use xRDP for remote access to Ubuntu 14.04.
The basic procedure was to install and set up
sudo apt-get update
sudo apt-get install xrdp
sudo apt-get install xfce4 xfce4-terminal
echo xfce4-session >~/.xsession
Then modify the last line of the file
/etc/xrdp/startwm.sh to start
startxfce4 rather than what is there, I think it was originally a path to
After modifying the file use the command
sudo service xrdp restart to restart
xrdp so that it will have the changes.
See also this article, How do I get xrdp to work form windows to linux on Ubuntu forums which describes modifying the
/etc/xrdp/startwm.sh file as well though the procedure is a bit different by creating a configuration file in the user's root directory.
In the Remote Desktop Connection application in Windows I set the Colors to be High Color (16 bit).