Force Windows to recalculate disk size on VM after resizing hard drive

Question

Is there a command line or similar that I can run to force Windows to recalculate disk size on a VM after resizing the hard drive?

sysadmin1138 · Answer 1 · 2011-02-04 00:29:34Z

up vote 2 down vote accepted

Yes there is!

We use this procedure for volume extensions on physical servers as well, when the volumes are on a SAN.

answered Feb 3 '11 at 22:37

sysadmin1138♦
56.3k266137

	Thank you. This worked for me. I only had to change EXPAND to EXTEND and it worked like a charm. – Dustin K Feb 4 '11 at 0:18
	One of the two, and I always seem to guess wrong! Thanks. – sysadmin1138♦ Feb 4 '11 at 0:29
	BTW on 2008 or Win7, you can do it all from Disk Management - There's an 'extend' option on the context menu for the partition, after you've rescanned. Also, on 2008 and Win7, you can do this on boot volumes. On versions prior, you need to use a GParted LiveCD to resize the partition. – Chris Thorpe Feb 4 '11 at 1:36
	That's good to know Chris, thanks. For my particular case I need to script this so this answer was just what I needed. – Dustin K Feb 5 '11 at 5:25

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