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Windows 7: Can't boot vista VHD from windows 7 box

16 Jul 2010   #1

many
 
 
Can't boot vista VHD from windows 7 box

Have been playing with the booting of vhd's with windows 7, bcdedit, diskpart, imagex etc...


When I make another windows 7 VHD, it works fine. HOWEVER, when I attempt to boot my VHD with vista WIM.................it goes into this setup repair deal.



Can someone help me out, so I can stop banging my head against the wall. Thanks a bunch


From what I can tell this should be possible.

My System SpecsSystem Spec
.

16 Jul 2010   #2
Microsoft MVP

64-bit Windows 8.1 Enterprise
 
 

Hello Madtester, and welcome to Seven Forums.

What edition of Windows 7 do you have?

While all Windows 7 editions can create and attach a VHD, only the Windows 7 Ultimate and Enterprise editions support booting from a VHD.

Virtual Hard Drive VHD File - Create and Start with at Boot

or

Boot from a VHD using Windows 7

Hope this helps for now,
Shawn
My System SpecsSystem Spec
16 Jul 2010   #3

many
 
 

Hi there. Thanks for the links. I have seen these write ups, let me clarify.


My real os is windows 7 enter. and I'm attempting to install a .wim from vista to .vhd, and be able to boot to that virtually installed vista machine. The image apply and everything else works well, I see the vista at boot.......but it goes into a repair screen and I can't fix it.


I've been able to boot other Windows 7 virtuals on VHD's and they boot FINE.



Am I trying to do something that isn't possible?

Could I need a specific edition of vista?
My System SpecsSystem Spec
.


16 Jul 2010   #4

windows 7
 
 

It does not work that way. Only Windows 7 can boot from a VHD using Microsoft's technology.

We are working on a different approach called VBoot, which allows you to boot xp, vista, 7 and Linux from a VHD/VMDK file on windows or Linux host PCs.

e.g., following link has a pre-created Ubuntu VHD 10.4 that boots everywhere

http://www.vmlite.com/index.php/foru...e-for-download

We have released the Linux version, the Windows version will come up next couple of months.
My System SpecsSystem Spec
17 Jul 2010   #5

many
 
 

So what you are saying is you can only boot virtual win 7 installs from another windows 7 installation, that even if you main OS is 7, you won't be able to dual boot to a vista vhd at start up?


dang,
My System SpecsSystem Spec
17 Jul 2010   #6

windows 7
 
 

Exactly. only windows 7, 2008 R2 can boot from VHD. Old windows versions won't.

In order to boot from VHD, the os itself has to do something, so you can't just put an OS into a VHD, and expect it to boot. The OS must be VHD aware in boot stages.
My System SpecsSystem Spec
17 Jul 2010   #7

many
 
 

ok thanks. I was hoping there was a way to do it for vista/xp, obviously before then wouldn't work. So I take it it's because the way the bootloader works is totally different with Windows 7, no longer using the .ini as it's main source. Can't microsoft easily make this possible?


is there some way to configure a vista specially, THEN image it so its setup to be able to boot on a vhd from a windows 7 machine?


basically work around the issue?
My System SpecsSystem Spec
18 Jul 2010   #8

windows 7
 
 

That's what our VBoot software does exactly. It's very difficult technology, not as simple as tweaking some boot parameters. .ini or BCDedit does not matter, the Windows kernel (or Linux kernel) itself needs to be changed in order to boot from VHD.
My System SpecsSystem Spec
19 Jul 2010   #9

many
 
 

Very interested in your windows version of the software. We will want to purchase it as long as it doesn't violate any testing objectivity we are trying to keep. Seriously intersted as I'm not doing this for fun


Keep us updated!
My System SpecsSystem Spec
19 Jul 2010   #10

many
 
 

Do you know if things like winlogocert etc. will be valid on a system utilizing vboot?
My System SpecsSystem Spec
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 Can't boot vista VHD from windows 7 box





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