SmbFile.dfs.insert(req.path, dr);
                throw dr;
            case 0x80000005:  /* STATUS_BUFFER_OVERFLOW */
                break; /* normal for DCERPC named pipes */
            case NtStatus.NT_STATUS_MORE_PROCESSING_REQUIRED:
                break; /* normal for NTLMSSP */
            default:
                throw new SmbException( resp.errorCode, null );
        }