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Domain Controllers Fail to replicate
Morning, I currently have 4 DCs all at the same site but across different networks. They can all ping each other and access each other's sysvol, but two of them, DC and DC3, will not replicate a...
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Active Directory replication error 8452 - Windows Server | Microsoft Learn
You could follow along here.
Active Directory replication error 8452 - Windows Server | Microsoft Learn
Makes total sense. Add a DC, topology changes. Didn't think about that. We have this SNMP monitor that started sending all kinds of alerts for failures so late at night I was more annoyed than anything :D.
Also, I did see the topology changes in Sites and Services, but it didn't occur to me that they couldn't replicate to one another via repadmin so I assumed something was actually wrong.