FSUM5021
su: Unable to switch to "userid"

Explanation

The setuid to the specified user's UID failed. Processing terminates.

System programmer response

Take the appropriate action based on the error code. Verify that the RACF® profile for the specified user ID contains an OMVS segment, and that the OMVS segment contains a UID.

User response

Check the error code explanation following this message. If unable to resolve, contact your system administrator.