We are down to one DC and it is not running correctly. I basically had to rebuild DNS to get it to work at all. DNS is registering again but now trusts are failing in the domain between servers and the DC. Also, group policy is now failing because all
clients say they can't contact the domain controller. I have done domain metadata clean up and run all dcdiag tests. They all come back clean with no errors. Also, I can't bring in another DC into the environment because that fails also because it says it
cannot authenticate to the domain controller. I have disabled all firewalls on the DC with no luck. When I join a new server to the domain is says Domain (unauthenticated) on the adapter every single time no matter what I try. Any help would be greatly appreciated.
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