Frequently Asked Questions

Series 7.0.1.0 and above

Hyper-V

Hyper-V

Series 7.0.1.0 and above

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How can I backup my Hyper-V virtual machines using Online Backup?
How do I backup virtual machines to the Hyper-V Server using Local Backup?
Does IDrive support incremental backups for Hyper-V virtual machines?
Can I backup Hyper-V virtual machines to a network-mapped drive or NAS drive?
What are the system requirements for IDrive Hyper-V backup?
Do I need to turn off or shutdown the virtual machines in Hyper-V manager to take a backup?
How secure is the data transfer during backup/restore using IDrive Hyper-V backup?
How do I restore virtual machines to the Hyper-V Server using Online Restore?
How do I restore virtual machines to the Hyper-V Server using Local Restore?
Can I restore Hyper-V virtual machines from a network mapped drive or NAS drive?
Is there a need for an additional/external storage volume for Hyper-V virtual backup?
Can I attach a VHD file from IDrive Hyper-V backup to a different Hyper-V server?
How to restore Hyper-V virtual machine backup to different servers?
How do I merge the snapshots (avhd/avhdx) to Parent Disk?
Which configuration version for virtual machines is supported on Windows server 2016 and above for incremental backup and restore of Hyper-V virtual machines?
How do I upgrade my Hyper-V virtual machine to configure version 8.0 or above?

How can I backup my Hyper-V virtual machines using Online Backup?

To backup your Hyper-V virtual machines,

  1. Sign in to the IDrive application and click 'Server Backup'. A slider menu will appear.
  2. Click 'Hyper-V'. The Hyper-V backup/restore console appears. By default, 'Hyper-V backup' is selected.
  3. Select 'Online Backup'.
  4. Select the virtual machines from the list.
  5. Click 'Schedule'.
  6. The 'Scheduler' is displayed where you can schedule the backup for any future day and time or perform an immediate backup of the selected virtual machines.

The backup progress will be displayed on the screen.

How do I backup virtual machines to the Hyper-V Server using Local Backup?

To backup your Hyper-V virtual machines,

  1. Sign in to the IDrive application and click 'Server Backup'. A slider menu will appear.
  2. Click ‘Hyper-V’. The Hyper-V backup/restore console appears. By default, ‘Hyper-V backup’ is selected.
  3. Select 'Local Backup'.

    Note: On selecting ‘Local Backup’ the data will be stored in the local drive.

  4. Select the virtual machines from the list and specify a temporary path for the local backup.

    Note: For Local Backup, specify a temporary path. (Once Local Backup is initiated, the ‘IDHyperVData’’ folder is automatically created).

  5. Click 'Schedule'.
  6. The 'Scheduler’ is displayed where you can schedule the backup for any future day and time or perform an immediate backup of the selected virtual machines.

The backup progress will be displayed on the screen.


Does IDrive support incremental backups for Hyper-V virtual machines?

Yes, for Hyper-V configuration version 8.0 or later, IDrive supports incremental backups after the initial full online backup. This ensures optimal use of Internet bandwidth and storage space.

Can I backup Hyper-V virtual machines to a network-mapped drive or NAS drive?

Yes, you can backup Hyper-V virtual machines to a network mapped drive or NAS drive. While choosing a local backup path, select the network mapped drive / NAS drive and provide the necessary authentication.

To backup your Hyper-V virtual machines to a network mapped / NAS drive,

  1. Sign in to the IDrive application and click 'Server Backup'.
  2. Click 'Hyper-V'. The Hyper-V backup/restore console appears. By default, 'Hyper-V backup' is selected.
  3. Select 'Local Backup'.
  4. Select the virtual machines from the list.

    Note: For Local Backup, specify a temporary path. (Once Local Backup is initiated, the ‘IDHyperVData’’ folder is automatically created).

  5. Select the network mapped drive/NAS drive as the location for creating the virtual machine backup and click 'Schedule'.
  6. Enter your username and password to authenticate the network mapped drive / NAS drive and click 'Validate'.
  7. The 'Scheduler' appears where you can schedule the backup for any future day and time or perform an immediate backup of the selected virtual machines.

What are the system requirements for IDrive Hyper-V backup?

The system requirements for IDrive Hyper-V backup are,

  • Microsoft Hyper-V server 2012, Microsoft Hyper-V server 2012 R2
  • Windows 2012, Windows server 2016, Windows server 2019, Windows server 2022, Window server 2025
  • 2 GB RAM
  • Sufficient hard disk space to store the virtual machine files for temporary backup and restore

Do I need to turn off or shutdown the virtual machines in Hyper-V manager to take a backup?

No. You do not have to shut down your active virtual machines to perform a backup. IDrive enables you to backup virtual machines in their Running state.

How secure is the data transfer during backup/restore using IDrive Hyper-V backup?

IDrive uses military-grade 256-bit AES encryption to encrypt all data transferred during a backup/restore operation using IDrive Hyper-V backup feature.

How do I restore virtual machines to the Hyper-V Server using Online Restore?

To restore a virtual machine to the Hyper-V server using online restore,

  1. Sign in to the IDrive application and click 'Server Backup'.
  2. Click 'Hyper-V'. The Hyper-V backup/restore console appears.
  3. Click 'Hyper-V restore'.
  4. Select 'Online Restore'.
  5. Locate and select the 'IDHyperVBkp' folder from your IDrive account.
  6. Select the required virtual machines from the backup set and click 'Next'.
  7. In the 'Restore Hyper-V virtual machine data' popup, choose one of the following restore options:
    • Restore as Hyper-V virtual machine
    • Restore as virtual disk

If 'Restore as virtual disk' is selected:

  1. Select the required virtual disk format (Raw image, VHD, or VHDX).
  2. Select the destination folder where the virtual disk should be restored. Select the required virtual disk format (Raw image, VHD, or VHDX).
  3. Click 'Finish' to start the restore.
    On successful completion, the restore summary is displayed.

If 'Restore as Hyper-V virtual machine' is selected:

  1. Choose a power state option if required:
    - Power off the VM before restore
    - Ignore and continue (restore fails if the VM is powered on)
    - Power on the VM after successful restore
  2. Click 'Next'. The 'Restore Hyper-V virtual machine data' popup appears.
  3. By default, 'Existing machine' is selected.
  4. To overwrite an existing VM, select 'Overwrite the existing virtual machines'.
  5. To restore as a new VM, modify the VM name under 'Restore as' and enter a valid name.
  6. Click 'Finish' to start the restore.

On successful completion, the restore summary is displayed.

How do I restore virtual machines to the Hyper-V Server using Local Restore?

To restore a virtual machine to the Hyper-V server using local restore,

  1. Sign in to the IDrive application and click 'Server Backup'.
  2. Click 'Hyper-V'. The Hyper-V backup/restore console appears.
  3. Click 'Hyper-V restore'.
  4. Select 'Local Restore'.
  5. Locate and select the 'IDHyperVBkp'/'IDHyperVData' folder from your local drive.
  6. Select the required virtual machines from the backup set and click 'Next'.
  7. In the 'Restore Hyper-V virtual machine data' popup, by default, 'Existing machine' is selected.
  8. To overwrite an existing VM, select 'Overwrite the existing virtual machines'.
  9. To restore as a new VM, modify the VM name under 'Restore as' and enter a valid name.
  10. Click 'Finish' to start the restore.

On successful completion, the restore summary is displayed.

Can I restore Hyper-V virtual machines from a network mapped drive or NAS drive?

Yes, IDrive lets you restore Hyper-V virtual machines from a local path, including network mapped and NAS drives.

To restore the virtual machines to the Hyper-V server from a network mapped drive or NAS,

  1. Ensure the network mapped or NAS drive is accessible from the system running the IDrive application.
  2. Verify that the 'IDHyperVBkp'/'IDHyperVData' folder is available on the mapped or NAS drive.
  3. Sign in to the IDrive application and click 'Server Backup'.
  4. Click 'Hyper-V'. The Hyper-V backup/restore console appears.
  5. Click 'Hyper-V restore'.
  6. Select 'Local Restore'.
  7. Browse and select the 'IDHyperVBkp'/'IDHyperVData' folder saved in your network mapped / NAS drive.
  8. Select the virtual machines from the list, which you want to restore to your Hyper-V server and click 'Next'.
  9. Proceed with the restore process based on the selected restore type:

On successful completion, the restore summary is displayed.

Is there a need for an additional/external storage volume for Hyper-V virtual backup?

No. However, do ensure that the temporary location that you select while scheduling the Hyper-V backup has sufficient disk space to hold the selected items, during the backup process.

Can I attach a VHD file from IDrive Hyper-V backup to a different Hyper-V server?

Yes, You can attach a VHD file from IDrive Hyper-V backup to a different Hyper-V server.

How to restore Hyper-V virtual machine backup to different servers?

To restore Hyper-V virtual machine to different servers,

  1. Create a virtual machine in the Hyper-V manager.
  2. Go to 'Specify Name and Location', and specify the name for the virtual machine.
  3. Go to 'Assign Memory' to assign memory.
  4. Go to 'Connect Virtual Hard Disk' and select 'Use an existing virtual hard disk'.
  5. Browse and select 'Vhd/vhdx' from the IDrive backup folder.
  6. Click 'Finish'.

How do I merge the snapshots (avhd/avhdx) to Parent Disk?

To start the merge,

  1. Identify the newest AVHD in the IDrive backup folder.
  2. Rename the newest AVHD (AVHD4) to VHD.

    Note: Do not rename all the AVHDs at the same time. Rename only the newest Avhd first.

  3. Choose 'Edit Disk' from 'Actions' in the Hyper-V Management Console.
  4. Click 'Next' through the first screen and select the snapshot file on the following screen.
  5. Select 'Merge' on the next screen and choose 'To parent virtual disk'.
  6. Click 'Finish'.

After merging, AVHD4 will be deleted automatically. Rename the second newest Avhd (AVHD3) to Vhd. Repeat all the steps until the oldest AVHD (AVHD1) gets merged with the parent VHD.

Which configuration version for virtual machines is supported on Windows server 2016 and above for incremental backup and restore of Hyper-V virtual machines?

Configuration version 8.0 for virtual machines is supported on Windows server 2016 and above for incremental online backup and restore of Hyper-V virtual machines.

How do I upgrade my Hyper-V virtual machine to configure version 8.0 or above?

To upgrade your Hyper-V virtual machine,

  1. Shut down the virtual machine in 'Hyper-V Manager'.
  2. Select 'Action'.
  3. Click 'Upgrade Configuration Version'.

Note:

  • You cannot upgrade your Hyper-V virtual machine that is already at the highest configuration version supported by your Hyper-V host.
  • .iso files are not considered for backup.

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