65650: Acronis Cyber Protect Cloud, Acronis Cyber Backup 12.5: Recovery to a new Hyper-V virtual machine fails with "Cannot recover the volume from the disk backup. There is insufficient free space on the target disk"

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Applies to:

Last update: Tue, 2020-09-08 19:54

Symptoms

You have an UEFI virtual or physical machine with on GPT disk with 5 or more partitions on it, including service partitions.
You back up this machine using Version 12 backup format
You attempt to recover this backup to a new Hyper-V VM on a disk with sufficient space, but the operation fails with the following error:
Cannot recover the volume from the disk backup. There is insufficient free space on the target disk.

Example of full error log: click to expand

Cause

Issue in the product.

This issue will be fixed in future versions of Acronis Cyber Backup.

Solution

As a workaround, create a new Hyper-V VM and perform recovery to it using bootable media:

Create bootable media (see Acronis Cyber Backup 12.5: how to create a bootable media) or download an ISO image of Acronis Bootable media from your Acronis Account (see How to download Acronis bootable media ISO)
Boot the new virtual machine with the created bootable media;
Follow recovery instructions in the product documentation: see Recovering disks by using bootable media

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