I got this worked out.
It was all user error, or not being educated enough with regards to the xen.ini files.
In the INI file, if you want to configure options of a parameter, you have to either enter:
“parameter option”
“parameter option”
or
parameter
option
option
Like this:
SignOn=yes SaveLastDomainUser=User
or
SignOn=yes
SaveLastDomainUser=User