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  Forum  Microsoft Tech ...  Windows 7  Booting natively to a Virtual Hard Disk
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New Post 11/18/2009 8:01 PM
Informative
  Walker
119 posts
www.lairdscomputer.com
10th Level Poster


Booting natively to a Virtual Hard Disk 

 Windows 7 Enterprise and Windows 7 Ultimate have the ability to boot natively to a stored VHD file.

This is done by adding the VHD file as an option on the boot menu using the BCDEdit tool.

1.  Make a backup copy of the boot menu - bcdedit /export c:\backup
2.  Copy the existing boot entry as the basis for the new one - bcdedit /copy {default} /d "Native VHD Boot"
3.  This will return a guid.  Copy the guid including the { } braces.
4.  Set the device and osdevice options - 
      bcdedit /set {guid-from-3} device vhd=path\to\drive.vhd
      bcdedit /set {guid-from-3} osdevice vhd=path\to\drive.vhd
5.  You may also have to set hal detection on some system -
      bcdedit /set {guid-from-3} detecthal on

And thats it.  Reboot the machine and you can now boot directly into the VHD...

Walker
www.lairdscomputer.com

 
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