Hi All
There have been a few reports for FreePBX 16 where system activation was failing if the system lacks an eth0 interface. We have published a new Sysadmin module v16.0.5.81 today which has been fixed to handle this case.
Please note, for the users who are currently facing this issue (i.e. not using eth0 as default interface and seeing activation required in GUI) it may be necessary to first deactivate the system by fwconsole sa deactivate
and then perform the activation steps again.