+1 for auth-user-pass not required I can't really see other explanation for Mikrotik NOT using native OpenVPN software, than licensing issues. Probably they'd need to pay or open their code? Not sure, BUT, THERE'S no other option for Mikrotik, they need to support full openvpn options. It's ridiculo...

Hi, I've found some information about OpenVPN and username/password authentication in older threads and I'm not sure if it is still relevant. Is it possible to configure OpenVPN server in RouterOS 6.15 ato authenticate users only by certificates? I'm migrating my old linux based PC router/vpn server...