ARM Windows 11 VM Disk Partition Size/Resize

Discussion in 'Windows Virtual Machine' started by BrianD28, Dec 21, 2025 at 10:17 AM.

  1. BrianD28

    BrianD28 Bit poster

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    I have just recently received my new MacBook Pro MAX M3 with 4TB of Disk. I have successfully downloaded and installed ARM Windows 11.
    As I started to work up to migrating my Intel MacBook Pro to the new machine, I noted that the Windows 11 VM only has a maximum of about 250GB and I was hoping to allow at least 1TB. I found a place to change the Windows 11 VM disk space, but it will only allow making the partition smaller.

    Has anyone solved the issue of allocating TB scale disk space to the Windows 11 VM?
     
  2. BrianD28

    BrianD28 Bit poster

    Messages:
    4
    It appears that there is no way to increase the size of the default VHD (Virtual Hard Drive). However, under Settings>System>Storage>Advanced Storage Settings>Disks & Volumes, a new VHDx (Virtual Hard Drive Supporting TB Size) can be created.

    Take care to choose a location that makes sense and a size that leaves space for MACOS drive space. If desired, you can create a shortcut to it on the Windows 11 Desktop or elsewhere.

    This solution is workable for what I wanted and can be workable for others wondering how to increase HDsk space specific to their VMs.
     
    Dmitry Geynisman likes this.

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