How to expand a VHD disk

NB, MAR 2009: It was brought to my attention (thanks Fernando) that utilities like VHDResizer (http://vmtoolkit.com/files/default.aspx) may do the job in a simpler way. I did not check myself.    I was working on a Virtual PC 2007 virtual machine with a dynamically expanding disk of a maximum of 16 Gb. This disk was the C:…

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