Openvpn + pam_module + ubuntu 16.04

Installation
5

Thanks for fast response.
Maybe issue caused that in latest openvpn server on ubuntu 16.04 have following plugin:
/usr/lib/openvpn/openvpn-plugin-auth-pam.so ?

And documentation for privacyidea require use:
%D0%B8%D0%B7%D0%BE%D0%B1%D1%80%D0%B0%D0%B6%D0%B5%D0%BD%D0%B8%D0%B5