1) It is no longer possible to do network configuration. At all. All the options are greyed out.
>Because of certain issues we have disabled this functionality in 2.0.2. We're working on bringing this back in future releases.
2.0.2 has the network config checker tool which will let you know if there are any corruptions in your environment.
2) It is not possible to do disk management, either to take ownership or remove disks.
> I will file this as enhancement request