Learn how to import VMs and change properties such as the virtual switch they are connected to that normally block automated import.
Microsoft wants to see VMWare users switch to Windows Server 2016 for their virtualization workload and they are offering free licenses in return for the migration.
These guides from Microsoft are from 2015 but they do a very good job of exposing many elements of Windows 10 and how they impact productivity on the year old operating system. These can also be good sources for training your users if you are planning a migration to Windows 10 in the near future.
Set the RAM available with VMs on a 2016 Hyper-V host
Understand with Standard SKU the guardians that can be used with Shielded VMs.