Web Upd8: Ubuntu / Linux blog. How To Convert .IMG Files To .VDI For VirtualBox [Quick Tip. Migrate_Windows. Disclaimer: Migration of Windows guests from a physical host into a VirtualBox VM is not supported.
These instructions are provided as-is in the hope that they are helpful. Windows installations, unlike Linux, cannot easily be moved from one hardware to another. This is not just due to Microsoft's activation mechanism but the fact that the installed kernel and drivers depend on the actual hardware. This document explains the common pitfalls and how to workaround these.