VPN EFW community 3.0 self signed certificate

[Guest]

[brose]

Hi,

I'm configuring VPN for the users of my office, but I have this error when I try to conect with OpenVPN

Wed Jul 16 16:33:20 2014 UDPv4 link local: [undef]
Wed Jul 16 16:33:20 2014 UDPv4 link remote: [AF_INET]...:1194
Wed Jul 16 16:33:20 2014 MANAGEMENT: >STATE:1405521200,WAIT,,,
Wed Jul 16 16:33:20 2014 MANAGEMENT: >STATE:1405521200,AUTH,,,
Wed Jul 16 16:33:20 2014 TLS: Initial packet from [AF_INET]212.230.132.211:1194, sid=cda02527 e260f5a8
Wed Jul 16 16:33:20 2014 VERIFY ERROR: depth=1, error=self signed certificate in certificate chain: C=IT, O=efw, CN=efw CA
Wed Jul 16 16:33:20 2014 TLS_ERROR: BIO read tls_read_plaintext error: error:14090086:SSL routines:SSL3_GET_SERVER_CERTIFICATE:certificate verify failed
Wed Jul 16 16:33:20 2014 TLS Error: TLS object -> incoming plaintext read error
Wed Jul 16 16:33:20 2014 TLS Error: TLS handshake failed
Wed Jul 16 16:33:20 2014 SIGUSR1[soft,tls-error] received, process restarting
Wed Jul 16 16:33:20 2014 MANAGEMENT: >STATE:1405521200,RECONNECTING,tls-error,,
Wed Jul 16 16:33:20 2014 Restart pause, 2 second(s)

In other office I configured VPN, but in this office works with EFW 2.5.2  is there any problem with 3.0 and VPN?

Thanks in advance