===== [V7] ISSUE: "Failed to mount virtual disk "%virtual_disk_name%.vhd" (No Valid Partition Found)" when performing a granular restore on a Linux or Unix guest VM on Hyper-V =====
Article ID: 5254
Reviewed: 2017-07-14

Product Version:
AhsayOBM / AhsayOBR: 7.13.0.0 to 7.x
OS: Windows

ATTENTION 1st January, 2022: v7 officially End-of-Life [details] ===== Description ===== When performing a granular restore of a Hyper-V guest VM installed with Linux Operating System the following error message is shown by AhsayOBM "Failed to mount virtual disk "%virtual_disk_name%.vhd" (No Valid Partition Found)" .


===== Cause ===== Granular restore of Hyper-V guest VMs with non-Windows partitions is not supported. For example, guest VMs installed with Linux or Unix operating systems.

===== Resolution ===== To resolve this problem we recommend you either:
  1. Use RunDirect to power on the Linux or Unix guest VM to allow access the files/folders on the drive.
    or
  2. Restore the Linux or Unix guest VM to Hyper-V host and power on the guest to access the files/folders on the drive.
===== Keywords ===== Hyper-V, guest VM, granular restore, Linux, Unix, partition