Hi John,This is mostly due to improper certificate installed on either the server or on the client machine.Considering the issue with only one client I guess the server is clean.Can you verify if proper root certificate, intermediate certificate and ...
Ismail, the authentication method you define act as a service. So only when the service is not avilable the method fallback to the next methond you define. So in your case if the user account is not present in the local data base it will not fallback...