Hi.
I've suffered some VM doesn't boot.
VM was rebooted or stoped and restart.
It seems lost boot order info at that time.
Disappeared all item kind of "boot from hard drive".
It just keep "boot from network adapter" only.

Is this known issue?
How can I track this issue?
OS : Windows Server 2016
HA : Hyper-V Clustering
VM : 2nd Generation
NIC : 3 vNIC
Thanks.