The ONLYAT keyword was specified, but you are not authorized to use it. The following requirements must be met for you to specify the ONLYAT keyword:

• You must have RACF® system SPECIAL authority.
• The target user ID must have RACF system SPECIAL authority.
• If the target user ID is different from your user ID, a user ID association between your user ID and the target user ID is required.

This message is sent to the user's TSO terminal.