Applying maintenance using SMP/E

Use SMP/E to apply and accept IMS maintenance before an IMS system definition.

All IMS system definitions use the IMS SMP/E distribution libraries and the IMS stage 1 macros as input. As a result, an IMS system definition might reverse the changes from any SMP/E maintenance (SYSMODs - PTFs, APARs, or USERMODs) that was processed using the SMP/E APPLY command, but not processed using the SMP/E ACCEPT command. This depends on the type of IMS system definition, and the impact of the SYSMOD.

Related reading: For more information about performing SMP/E maintenance on IMS, see IMS service considerations.