Tag Archives: VirtualPC

How To: Expand a Virtual PC Disk with VhdResizer and DiskPart

Question: What does “Dynamically expanding virtual hard disk” mean to you?

For some reason, while setting up a development machine in Virtual PC, I had this thought that “dynamically expanding” meant that the disk would start out at a specified size, and expand as needed. However, it’s the opposite. A “dynamically expanding” disk starts off small, and expands to the specified size. So needless to say, 10Gbs wasn’t enough to install Visual Studio 2008 (90 day trial), SQL Express 2005 and 2008, plus the service packs and Windows’ Updates.

After doing a bit of sleuthing (“Googling“), I discovered how wrong I was, but also discovered a tool called VHD Resizer.

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