The system console is not in problem determination mode. The command is rejected.
The system ignores commands for a system console unless it is in problem determination mode or ALLOWCMD(Y) was specified in the system console's CONSOLE definition in CONSOLxx.
To enter authorized commands from the system console, issue the VARY CN,ACTIVATE command to place the console in problem determination mode. Use the DISPLAY CONSOLES command to see whether the system console is in problem determination mode and which attributes are in effect for the system console.
Communications task (COMMTASK)
IEAVC600, IEAVC602