You are trying to back up a Hyper-V virtual machine which has virtual disk with an ampersand (&) in file name, e.g. Docs&Users.vhdx. Backup fails with the following error:
Failed to get the disk information.
Issue in the product. Acronis Backup cannot access the virtual machine if there is an & in virtual disk name.
As a workaround, remove the & sign from virtual disk name:
- Using Hyper-V Manager, detach the disk in question from the virtual machine
- In Windows Explorer, rename the virtual machine disk file to remove the & from it
- Re-add the renamed virtual disk to the virtual machine.