Reason
The specified <userid> tried to log onto a user ID not in the VM directory. An unauthorized user might be trying to log on.
The user ID that is invalid
The physical source (terminal) where you trying to execute the logon
Action
If your site did not change the message definition and LOGON trap is active, CA ACF2 for z/VM displays this message on the operator’s console. The user sees an invalid password message and might not realize that the user ID is not in the VM directory.
Your site’s policies determine the course of action to take. The source field can help in determining the location of the user who issued the LOGON command. Determine if this is the result of an unintentional error by an authorized user. If not, take steps to identify the person attempting to access the system and take appropriate action, or enhance security of the location where the access attempt occurred.
You can change the message definition to route this message to the user ID of one or more security personnel and the operator. If you use the IBM PROP facility, use PROP to direct this message to various user IDs.
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