In the event of serious, unresolvable problems following the upgrade, the Fallback option can be used to revert back to the pre-upgrade level of the system, provided that the compatibility mode has not been changed.
Select Minor Step 1, Perform Fallback.
Submit the job.
When the job has completed, examine the status. If the job did not complete successfully, use B to browse the log for more details.
Press PF3 (END) to return to the Minor Steps Selection panel.
