FMV2688E
The restore of a Hyper-V virtual machine that was backed up using incremental forever backup is not allowed on a Windows 2008
or Windows 2008 R2 host. The restore operation must be completed on a Windows 2012 or later Hyper-V host
Explanation
A Hyper-V virtual machine that was backed up with the incremental forever backup type can only be restored on a Windows 2012 or later Hyper-V host.
System action
The restore operation does not start.
User response
Try the operation again with a Windows 2012 or later Hyper-V host.