What can I face when migrating Hyper-V?

Question

Active Directory

Hello!
I can't decide to migrate. There is a main domain. It needs to be transferred from HV01 to HV02. There is no second controller.
The total weight of the system is 50GB, WinServ2012r2 OS is everywhere. Delegated cifs. I made a backup of the system state first.
I'm embarrassed that work is going on in the organization, and I will do the migration even in the evening. When migrating from one host to another, the idea should not even be idle in the network, but I have never done this.
Tell me what problems I can face? What is the best way to migrate? Or can you safely run the migration even at work?
UPD1 Here, the question is not to transfer roles, but to migrate. Maybe someone had experience?
UPD2 The question is about migration from a virtual environment to a virtual one and DC is also virtual.

Answer 1

Why invent such bicycles for the usual transfer of VMs from one host to another? The mechanism of Live Migration is a hundred years old at lunchtime.
Two steps:
1) Set up live migration according to any guide from the network 2) RMB
- Move - next-next-next
flash drive and the Export function to transfer it.

Answer 2

Raise the second ds on the virtual machine and transfer the roles