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If I disable the Windows Firewall entirely, it starts working again. It's like by configuring it as a VPN server it has blocked any kind of incoming connection, including those that it's designed for (VPN connections). When I change my NAT service to a "NAT and VPN" service (using RRAS -> "configure and enable routing and remote access"), I lose the ability to ping that server from outside and when I try to connect to the VPN I get an error Network have internet access through it, and I'm able to ping it from outside computers. I am able to configure it as NAT-only, and everything works perfectly. I'm trying to configure this server as a NAT and VPN "edge" device. I have a server with two NICs, one public internet and one domain intranet.
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