You can shut down CICS BAC support automatically during CICS® shutdown processing. To do this, add an entry to the region PLT shutdown table as follows:
DFHPLT TYPE=ENTRY,PROGRAM=DFHDELIM
DFHPLT TYPE=ENTRY,PROGRAM=CBKCMNDS
Make the entry for the CICS BAC PLT program, CBKCMNDS, the last entry in the PLT to ensure correct processing.
You can also shut down the CICS BAC component using the KBKM transaction (see CICS region commands for CICS BAC