Forum Discussion
Brandon Fogliano
Sep 10, 2025Copper Contributor
DCs not replicating across VPN
I am at a loss here. I have looked at every CMD option I can find, verified DNS and cannot get my DCs replicating across the VPN. I don't understand how I was able to join the domain but now the co...
Brandon Fogliano
Sep 10, 2025Copper Contributor
I have also cleared the caches on all DNS servers
VGSandz
Sep 15, 2025Copper Contributor
curious, are 2 two new Domain Controllers in your "Datacenter" reference hosted on any cloud providers?
I've noticed such issues if VMs run out of IOPS (in cloud)
or
missing DNS records in _msdcs.<domain.name> on the impacted DCs
or
i would ask to check ephemeral ports if they are open they should be and not blocked elsewhere.
your any_any_any windows firewall rule (inbound/outbound): is it also set to Any Protocol? on all DCs?