Yes, there's no question for a tombstoned domain controller the only recourse is to demote, reboot, promo it again.
--please don't forget to Accept as answer
if the reply is helpful--
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Hi. I have RODC(Windows server 2016)) and i see error: DFSR 4012
This server has been disconnected from other partners for 391 days
non-authoritative synchronization of DFSR-replicated SYSVOL did not help me(https://learn.microsoft.com/en-us/troubleshoot/windows-server/group-policy/force-authoritative-non-authoritative-synchronization)
How i can fix it ?
Yes, there's no question for a tombstoned domain controller the only recourse is to demote, reboot, promo it again.
--please don't forget to Accept as answer
if the reply is helpful--
I think if I start change this parameter on all servers, I will get even more problems. And some controllers are not available to me.