Hi friends, I have tried the same approach for making bootable DVD of Windows Vista and Windows Server 2008 code name Longhorn. I have taken Longhorn Installation Image in "Root" folder and created a folder named "Vista" in it and copied Vista Installation Image into that folder. I have edited the bcd file of longhorn and given path of vista bootmgr into it.(i.e. \Vista\bootmgr ). The DVD booted fine and shown two options Windows Setup Windows Vista When I selected "Windows Setup", it successfully started longhorn installation. But when I selected "Windows Vista" it again shown the previous window. I tried again and again it shown the same window. It is an Infinite Loop. I guess, when I selected "Windows Vista" the bootmgr of Vista is loaded but it is using the same bcd file of Longhorn and showing the same options again. If my guess is right, Can u tell me, How can I modify bootmgr so that it can read \Vista\boot\bcd file instead of \boot\bcd? Thanks in advance.........