Is there anyway to change the existing targeted size in Failover/Move or Testing VM? You can change the VPG, but it doesn’t change the individual VM’s. When I go to the Advanced VM Settings, there’s no option to change the size.
You should be able to select the individual instance sizes of each VM within the Advanced VM Settings option you mention. Have you tried selecting the tick box next to the VM in question and then using “edit settings” to open a new window, sometimes this makes the options clearer.