Back in early July we had software that was installed on our secondary domain controller (DC2) that we had to rollback. Unfortunately at that time the only way we could accomplish this to resolve everything was to restore the server from a backup image which we did (Acronis).
A month later am now finding AD is not replicating. Any changes to the main dc (DC1) do not replicate to DC2 and vice-versa. Overall it seems all of the issues are on DC2.
On DC2 (problem server):
- I can ping DC1 just fine.
- DNS server fails to open says "Access is denied". Service is running. Tried all of our domain admin accounts with no luck. Also tried removing and re-adding DNS server role with no luck.
On DC1:
- I can ping DC2 just fine.
I have attached screenshot and outputs for repadmin, dcdiag, etc. Was there something I should have done when I restored the system...