Howto: Resize Virtual PC 2007 Virtual Machine

This is a two step process:

1. Use VHDResizer to resize the partition, download here

2. Use gparted to expand the partition, download here

Details on VHDResizer (from

VhdExpand is now VhdResize.

VhdResize will resize Microsoft’s VHD files and will also convert between Fixed and Dynamic file types. This is a sector by sector copy operation from one size/type to the other and the source file remains unaltered.

VhdResize requires the Microsoft .Net 2.0 framework available via Windows Update and here.


Unzip the file to a folder of your choosing and run VhdResize.exe.

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