Adding a New Virtual Disk to a VM

Adding a New Virtual Disk to a VM

In this article we will guide you through adding a new virtual disk to a VM.
  1. In your Host computer, go to your VMs folder.
    Create a folder with the name of the VM     you want to add the virtual disk to. (In this example, the VM I will add the disk to is called GMF2025B)

  2. Open Hyper-V Manager
    1. Select the VM you want to add the virtual disk to.
    2. Select and right click Checkpoint (make sure you click on the checkpoint NOT on Now)
    3. Click Delete Checkpoint...
  3. Allow the status to finish merging
  4. Right-click the VM you want to add the virtual disk to
    Click settings
  5. Go to the SCSI Controller
    Click on Hard Drive
    Click Add
  6. Select Virtual Disk
    Click New
  7. Select Dynamically expanding
    Click Next

  8. Navigate to your VMs folder and select the folder you created in Step 1
  9. Name the disk DATA
    Your location should look similar to the one below (S:\VMs\NAME\)
    Click Next

  10. Select Create a new blank virtual hard disk
    Set the Size you want, the example below is 4001 GB
    Click Next
  11. Click Finish

  12. Click Ok
  13. Connect to the VM and Search for Computer Management
    Click Open

  14. Go to Disk Management
    Select GPT (GUID Partition Table)
    Click OK on the Initialize Disk dialog box (Give it some time to finish processing)
  15. Find the new disk (it will show as Unallocated)
    1. Right-click on the unallocated space
    2. Click New Simple Volume
    This will open the New Simple Volume Wizard
  16. Click Next

  17. Click Next
  18. Assign drive letter: Select S
  19. On Format Partition
    1. Select Format this volume with the following settings
    File System: NTFS
    2. Volume Label, name it SLOW
    3. Perform a quick format is checked
    Click Next
  20. Click Finish
  21. Once the Wizard finishes, your Disk Management window should look similar to the example below.
  22. Verify the Disk
    Connect to the VM and     you should see the new disk with the S drive letter in This PC.
    It will now be ready for use as the SLOW volume.