I'm using vCenter 6 and ESXi 6. After using the standalone converter to migrate my vCenter installation (perhaps not the best idea) it shows localhost as the ip address. I checked the network adapter and it looks like it's there without any problems. I found this article which appeared to be my issue:
but after attempting the fix my installation still shows localhost. Attached is the image my vcenter installation shows.
Ideally I'd like to ge this vcenter up and running (I'm not trying to change the IP - just restore it!) as I've done some tweaking to make it just right.