Solved.
The OpenVPN Connect App could sure use some better error messages.
Google didn't come up with anything useful so I tried an alternative OpenVPN client for Android.
This had some proper logging, and it seems that the OpenVPN server was using a user certificate instead of a server certificate.
The OpenVPN Connect App could sure use some better error messages.
Google didn't come up with anything useful so I tried an alternative OpenVPN client for Android.
This had some proper logging, and it seems that the OpenVPN server was using a user certificate instead of a server certificate.