Myself and others I know who are with ABB find that the Xbox doesn't connect to the internet when first booted. It usually comes good by selecting 'Go offline' then 'Go online' in the Network settings on the Xbox followed by 'Test network connection' or 'Test NAT Type'.
Anyone else experienced this? I found a reddit thread with at least one other affected customer.
UPDATE: ABB block ports. You can ask them to remove it. This did not work. Issue still remains.
wow hopefully the "ABB is amazing" bandwagon is finally over