Multi user editing vpn

Hi Guys, i have to use multi user editing with my team, for the distance we have to use a VPN, i ve done a VPN with OpenVPN, it works great, but my clients can t display my session, i ve reade that is a frequent problem, i ve read and applied the ADVANCED MULTI USER EDITING tips of ue4 (Advanced Multi-User Networking | Unreal Engine Documentation), but it is unsucsefully, now i ask to community an help to how to set UE4 for Multi user Editing with VPN

Plus One on this.

I am having the exact same problem. Also using OpenVPN. My only difference is I’m on UE version 4.26.1