Reviewed: 2017-07-10
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 on Windows 2008 R2 or Windows 7 machine the following error message is shown by AhsayOBM "VHD Mounter - Operating System (Platform Not Support)" .
![](http://wiki.ahsay.com/lib/exe/fetch.php?media=public:5251_0.png)
===== Cause ===== Granular restore of Hyper-V guest VMs is not supported on the current Windows operating system.
===== Resolution ===== To resolve this problem install AhsayOBM/AhsayOBR on a supported Windows operating system to perform the granular restore for the Hyper-V guest VM.
Please refer to the following KB article for further details:
FAQ: Ahsay Software Compatibility List (SCL) for Granular and OpenDirect Restore (5250)
http://wiki.ahsay.com/doku.php?id=public:5250_faq:ahsay_software_compatibility_list_scl_for_granular_and_opendirect_restore
===== Keywords ===== Hyper-V, guest VM, granular restore, supported platform, supported operating system