Updating the catalog for installation or migration to Db2 12
When you install or migrate to a new release of Db2, you must update the catalog for the prior release to the new version.
Procedure
Run job DSNTIJTC.
For details, see Installation step: Tailor the Db2 catalog: DSNTIJTC or Migration step: Tailor Db2 13 catalog: DSNTIJTC.
Job DSNTIJTC runs the CATMAINT UPDATE to update the catalog. Db2 displays migration status message
DSNU777I at several points during CATMAINT execution. If an abend occurs during
migration processing, message DSNU776I or DSNU778I can give you
information about the problem.