When i update to Sieera, I skip to enter Appleid .
When updating was completed, i type my appleID and pwd on the mac->system preference->icloud.
I got error message "There was an error connecting to the Apple ID server."
I can sure type correct id and pwd, because i entered on icloud on chrome.
anyone can help, thanks
and I have referenced these tips
cant connect apple ID server
MacBook Air, OS X Mavericks (10.9.4), terminal