virtualbox increase disk size windows 10 host

If you’re using fixed disks, you’re out of luck too by the way. The reason that the resize didn’t work was because I had a snapshot of my VM (as this article suggests). Resizing VirtualBox Disks Fails Due To Snapshots I then start my VM and go to Disk Management. When I then go to my VM’s settings and have a look at the Virtual Size, I can see that is has been resized. VBoxManage modifyhd “D:My VM’sDev VMABC.vdi” –resize 100000 Also, if your path has any spaces, enclose the path in quotes. Note that there is a double dash before the word resize. VBoxManage modifyhd D:VM’sDevABC.vdi –resize 100000 To do this, change the directory to your VirtualBox installation and run VBoxManage in this format: I ran the standard modifyhd command from the command prompt. If you can’t be so cavalier about what you do on your VM’s, you better make a backup first. If I mess things up, I’ll wipe it and start over.

The only problem was that it wasn’t working. Resizing VirtualBox Disks – I wanted to resize the hard drive of my VM, and I figured that this would be an easy task.

Virtualbox increase disk size windows 10 host