id summary reporter owner description type status component version resolution keywords cc guest host 11052 Not able to start OSX 10.6.8 in Virtual Box 4.2.1, running on OSX 10.8.2 Vietwoojagig "I'm using a Macbook Pro 15-inc, Late 2008 (MacBookPro5,1) with OS X 10.8.2 VirtualBox 4.2.1 is installed. I try to start OS X 10.6.8, it fails during boot. This machine has already worked in OS X 10.8.1/VirtualBox 4.1.x The screenshots show, what happens during the start and how the boot fails. It seems to be a problem with EFI, because if I disable EFI in the Machine-Settings and boot from Legacy Empire EFI (legacy empire_efi1085.iso), which emulates EFI, everything works as usual: the OS starts. " defect closed EFI VirtualBox 4.2.0 fixed OSX Server Mac OS X