resumeReq.setFlags(Smb2IoctlRequest.SMB2_O_IOCTL_IS_FSCTL);
                Smb2IoctlResponse resumeResp = sh.send(resumeReq);
                SrvRequestResumeKeyResponse rkresp = resumeResp.getOutputData(SrvRequestResumeKeyResponse.class);
                size = sfd.getInitialSize();
                resumeKey = rkresp.getResumeKey();

            }

            // other errors are treated as success
            return;
        }
        ValidateNegotiateInfoResponse out = resp.getOutputData(ValidateNegotiateInfoResponse.class);

        if ( nego.getSecurityMode() != out.getSecurityMode() || nego.getCapabilities() != out.getCapabilities()