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PL123's avatar
PL123
Tutor
Dec 20, 2021
Solved

Microsoft Remote Desktop over OpenVPN can't find machine

I've got an Orbi AX4200 RBR750 with OpenVPN configured. I'm trying to use Microsoft Remote Desktop from a laptop over the VPN to a workstation. It all works fine when the laptop and workstation are o...
  • PL123's avatar
    PL123
    Dec 20, 2021

    Got it working! Thanks for the suggestions. In the end I changed so many things I have no idea what did the trick, but here's the setup in case it helps anyone else.

     

    OpenVPN Connect (v3) did not work for me.

     

    I'm using OpenVPN 2.5 with this config:
    client
    dev tun
    proto udp
    sndbuf 393216
    rcvbuf 393216
    push "sndbuf 393216"
    push "rcvbuf 393216"
    dev-node NETGEAR-VPN
    remote <my no-ip url> 12973
    resolv-retry infinite
    nobind
    persist-key
    persist-tun
    ca ca.crt
    cert client.crt
    key client.key
    cipher AES-128-CBC
    comp-lzo
    verb 4

     

    Laptop Win10 (the remote device)
    Windows Defender Firewall
      Remote Desktop App allowed public and private
    Inbound Rules
      OpenVPN Daemon allowed for TCP and UDP
      OpenVPN TCP and UDP open all ports
    Outbound Rules
      OpenVPN TCP and UDP open all ports

     

    Workstation Win8.1 (on Orbi LAN)
    Zonealarm
    Expert Rules
      OpenVPN allow TCP/UDP on 12973

     

    Orbi Router
    Laptop and Workstation have reserved IP addresses
    VPN Config: TUN/UDP/12973