DFHCE3542 Sign-on is not allowed at this terminal. Your sign-on is ignored.

Explanation
      The sign on transaction cannot be executed at the current terminal for one of the following reasons:

                The terminal is defined with a preset userid that cannot be changed by signing on

        
          The terminal is a surrogate of a terminal in another CICS region, but the sign on transaction is not executing within a session established by the CRTE transaction.

        
System action
      The sign on transaction terminates.

    
User response
      Do not use the sign on transaction at this terminal.

    
Module
DFHSNP
Destination      
      Terminal End User