- Enable power user: Program+Shift+Esc
- Open/close vDrive: Program+F1
- Enable power user mode and open vDrive
- Edit files in
<mountPath>/active/
according to what you need to change (or use SmartSet app) - Close vDrive
Go to Finder, eject the Advantage2 disk, and once ejected quickly press Prgrm+Shift+F1
(thanks this gist)