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I have looked around whether anyone had the same issue but so far have not seen anything that would help me.

I have a homelab and two VMs (Windows 2k8r2) with public IP addresses hosted in remote site by a provider.

Homlelab is set up this way ( I omit some details as they are out of scope)

192.168.0.10 - OpenVPN server in DMZ zone
10.10.200.0/24 - Windows clients

Remote servers and homelab servers can communicate using SecurePoint VPN client using OpenVPN server as and endpoint and see each other in 172.16.10.0/24 subnet.
Both homelab and remote site are in the same Windows domain , e.g mylab.corp . One domain controller that is called DC0 is one of remote servers and second domain controller called DC1 is one of the homelab servers.

Now ,the dilemma starts when I try to ensure that AD replication is running over vpn tunnel, not via Internet.
DNS entries for DC0 and DC1 are populated as
DC0 1.2.3.4
DC1 10.10.200.10

Naturally , name resolution is not working because servers can't reach each other via internet. The VPN adapters however are in 172.16.10.0/24 subnet. Is it even possible to have 'dual homed' DCs in this setup?

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