If you are using the CICS Explorer and you are connecting to a CICS system, and specifically a CICSPlex® SM WUI server CMCIPORT, for the first time, check the WUI server MSGUSR log for more error messages. If the log contains the messages DFHXS1111, DFHWB0361 and DFHAC2003, then ensure that your CICS Explorer userid hasCICS Explorer® permission to attach the CWXN and CWWU transaction identifiers.