Smb2SessionSetupResponse sessResponse = request.getResponse();
                    if ( e.getNtStatus() == NtStatus.NT_STATUS_INVALID_PARAMETER ) {
                        // a relatively large range of samba versions has a bug causing
                        // an invalid parameter error when a SPNEGO MIC is in place and auth fails
                        throw new SmbAuthException("Login failed", e);
                    }