Not possible. In order for a live migration to work you need the source and destination networks available in both environments.
I would just build a new vCenter server in the 5.1 environment and migrate new hosts into the new vCenter server.
Not possible. In order for a live migration to work you need the source and destination networks available in both environments.
I would just build a new vCenter server in the 5.1 environment and migrate new hosts into the new vCenter server.