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VHD tool

April 25, 2012

VHD tool – A grate tool for creating, convert, extend and repair VHD files.

It can be downloaded from: http://archive.msdn.microsoft.com/vhdtool

Create: Creates a new fixed format VHD of size <Size>.
WARNING – this function is admin only and bypasses
file system security. The resulting VHD file will
contain data which currently exists on the physical disk.

Convert: Converts an existing RAW disk image file to a fixed-format VHD.
The existing file length, rounded up, will contain block data
A VHD footer is appended to the current end of file.

Extend: Extends an existing fixed format VHD to a larger size <Size>.
WARNING – this function is admin only and bypasses
file system security. The resulting VHD file will
contain data which currently exists on the physical disk.

Repair: Repairs a broken Hyper-V snapshot chain where an administrator
has expanded the size of the root VHD. The base VHD will be
returned to its original size. THIS MAY CAUSE DATA LOSS if the
contents of the base VHD were changed after expansion.

 

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