This message is the first in a group of messages that VTAM® issues when a DISPLAY APING command is entered from the MVS™ console with a value specified on the PASSWORD parameter (i.e. PASSWORD=xxxxx). Since entering the password value on the command causes it to be displayed on the console and in the system log, which is a security exposure, the command is failed. A full explanation of the message group follows.

IST1662I parameter PARAMETER VALUE NOT ALLOWED
IST1663I command cmdtype COMMAND FAILED - reason
IST314I END

IST1662I

• parameter is the parameter entered on the command.

IST1663I

• command is the operator command entered.
• cmdtype is the operator command type entered.
• reason is one of the following values:
  SECURITY VIOLATION

  • Processing the DISPLAY APING command as entered would allow the password to be displayed in the system log, which is a security exposure.