IBM MVS / OS/390 / z/OS System Messages

This is a collection of system messages that I've run into while working with MVS / OS/390 / z/OS.

FSUM7351
OMVS Command Not Found
$HASP607
JES2 NOT DORMANT - MEMBER DRAINING
ICH70001I
Account Last Access Time
IEA888A
Enter the current date & time.
IKJ56414I
The new password is invalid.
IKJ56415I
The current password has expired and must be changed.
IKJ56429A
Enter the new password.
IKJ56447A
Reenter the new password.
IKJ56448I
The password entered does not match the password previously entered.
IKJ56455I
Logon in progress
IKJ56470I
Logged Off
IKJ56500I
TSO Command not found.
IKJ56700A
Eenter User ID
IKJ56951I
There is no broadcast message.