throw e;
                    }
                    ex = e;
                    response = sessResponse;
                }

                if ( !this.getConfig().isAllowGuestFallback() && response.isLoggedInAsGuest()
                        && ! ( this.credentials.isGuest() || this.credentials.isAnonymous() ) ) {
                    throw new SmbAuthException(NtStatus.NT_STATUS_LOGON_FAILURE);