Connection via OpenVPN and IpSec/L2TP does not work in Softether VPN?

Question

openvpn

Installed Softether VPN, on a virtual server under CentOS 6
The problem is that when you try to connect to the server via OpenVPN, IpSec/L2TP, a connection error occurs:

OpenVPN: WARNING: No server certificate verification method has been enabled.
IpSec/L2TP (on windows 7): error 800

Despite the fact that the connection through the Softether VPN client is successful, and the vpn is working.
I set up the server according to the instructions from Habr
All protocols are IPsecEnableenabled by command. Firewall is off

Answer 1

I didn’t find a solution to the problem, but I found a way out of the situation: I
additionally reinstalled it again on CentOs, it didn’t help, the same thing, then I decided to put it on Debian 7 and it worked wonders, only one thing, but OpenVPN connects but there is no change in ip. what could be the problem

Answer 2

try to set up according to this instruction. IMHO it's not a problem at all.
but by mistake, I think the client is trying to log in using a name / password pair, and the server wants a certificate.