Resize partition of Windows 7 running on VirtualBox with dynamically allocated storage

Posted by Nicolas Raoul on Super User See other posts from Super User or by Nicolas Raoul
Published on 2012-09-03T09:41:06Z Indexed on 2013/07/01 23:09 UTC
Read the original article Hit count: 516

Filed under:

windows-7

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virtualbox

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resize

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gparted

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VDI

I run Windows 7 inside VirtualBox.

I resized the disk of Windows 7 from 25 GB to 50 GB:

VBoxManage modifyhd Windows\ 7\ Pro.vdi --resize 50000
0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%

VirtualBox size

PROBLEM: I can' grow the partition, neither with Windows 7 itself nor with GParted:

Disk management

GParted

It looks like VirtualBox does not tell the client OS about the new size.
What additional step is necessary?

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