Convert a Microsoft Hyper-V virtual hard disk file in the new VHDX format to the old VHD format using VirtualBox Manager

http://devhacksandgoodies.wordpress.com/2014/08/07/vhdx-to-vhd-on-windows-7-using-virtualbox-manager/

http://superuser.com/questions/751954/how-to-convert-a-vhdx-file-to-vhd

http://serverfault.com/questions/567283/convert-hyper-v-vhdx-file-for-import-into-vhd-file-for-xenserver-import

http://needs-be.blogspot.de/2014/10/virtualizing-windows-on-physical.html





C:\Program Files\Oracle\VirtualBox\VBoxManage.exe clonehd --format VHD ubuntu-test.vhdx ubuntu-test.vhd

                                                         VBoxManage.exe clonehd "PATH_TO_YOUR_FILE.VHDX" --format VHD "PATH_TO_CONVERTED_FILE.vhd"

                                                         vboxmanage         clonehd filename.vhdx filename.vhd -format vhd

                                                         vboxmanage         clonehd MYDATAFILE.VHDX --format VHD  mydatafile.vhd

                                                         vboxmanage         clonehd d:\path\MYDATAFILE.VHDX --format VHD  e:\path\mydatafile.vhd