The L2TP connection attempt failed because certificate validation on the remote computer failed.
Your connection might be failing for one or more of the following reasons: ò The server you are reaching does not have a certificate. ò The server you are reaching does not have the correct certificate. ò Your connection is not configured to use the correct certificate. If you are a member of an Active Directory domain and need to request a certificate, see To request a certificate. If you are not a member of an Active Directory domain, or you need to request a certificate from the Internet, see To submit a user certificate request via the Web.
Contact your system administrator.