Network connection (domain profile) domain connection shows as “unauthenticated”

We experience inability to access local owa site, from time to time accessing domain file resources was experiencing outage. Among a lot articles/blog posts we followed the article https://serverfault.com/questions/413052/domain-connection-shows-as-unauthenticated Overall, we thoroughly tested: DHCP leases and reservations on DC (running the dhcp role), no multiple entries for the offending workstations Remove from Domain and join…