I tested on a vmware VM (only 32 bit guest) and it works like a charm:
After installing adobe flash I could use the web console in browser (using Firefox and Windows 10):
Remote desktop is working too:
I only had a green interface in my VM and there was an error when expanding templates because $red is not set, after setting up a red interface it worked.
[root@testserver ~]# expand-template /usr/share/phpvirtualbox-5.2/config.php
ERROR in /etc/e-smith/templates//usr/share/phpvirtualbox-5.2/config.php/20SettingsRDP: Program fragment delivered error <<Can't call method "prop" on an undefined value at /etc/e-smith/templates//usr/share/phpvirtualbox-5.2/config.php/20SettingsRDP line 21.>> at template line 5
ERROR: Template processing failed for //usr/share/phpvirtualbox-5.2/config.php: 1 fragment generated errors
at /sbin/e-smith/expand-template line 45.
It seems like virtualbox supports QEMU file format and more virtual disks, so maybe it’s enough to copy the qcow file and just put it in a virtualbox VM:
