Prepare the on-premise Hyper-V infrastructure for replication of Hyper-V VMs to Azure. This applies to both scenarios where Hyper-V hosts are managed with VMM and scenarios where Hyper-V hosts are not managed with VMM.
Review the most up-to-date list of requirements to prepare Hyper-V for DR to Azure here: https://docs.microsoft.com/en-us/azure/site-recovery/tutorial-prepare-on-premises-hyper-v