E2382 Cmd Rej: Only 4 ports with sys maint. output group ON are allowed

Only 4 terminals can be configured to receive system maintenance-related unsolicited messages.

Recovery

1. Display the terminals configured to receive system maintenance-related unsolicited messages. Enter the rtrv-trm command.
   The SYS field should display YES for each of the four terminals so configured.
2. Revise the data as necessary. Refer to the Database Administration - System Management User's Guide for assistance.
3. Re-enter the chg-trm command that generated this error message.
   Contact My Oracle Support if this error message appears again. See My Oracle Support (MOS).