You may want to disable System Restore or delete any existing volume shadow copies in the VM disk. That alone can take up lots of space, and will appear hidden to the filesystem. Then run sdelete and zero out the free space, after a vm reboot.
You may want to disable System Restore or delete any existing volume shadow copies in the VM disk. That alone can take up lots of space, and will appear hidden to the filesystem. Then run sdelete and zero out the free space, after a vm reboot.