id summary reporter owner description type status component version resolution keywords cc guest host 16545 Changing optical device attachment propagates back into previous snapshot(s) robert spitzenpfeil "5.1.16 on W10 host (64bit). 1) Create a minimal VM, no disk, no DVD image attached. 2) Take a snapshot. 3) Attach an ISO to VM's DVD (current state changed). When viewing the snapshot's properties, you will observe that it has the ISO image attached to it. I think this is an issue with the way the .vbox config file is processed." defect closed GUI VirtualBox 5.1.16 fixed other Windows