viron There are a few things to keep in mind:
1. Please copy your CAIJCL, CAIMAC, and CAILIB libraries from the LPAR where release 11.5 is installed to each LPAR.
2. Ensure that you run JOB06EOP job in the copied CAIJCL library to create the EZTINI member to link the correct new DSN name of the EZOPTBL option file into each LPAR's CAILIB. Also ensure that the option file parameter values are correct in the EZOPTBL option file as well as in the EZTPOPT module via the ASM64OPT member in the CAIJCL if running in compatibility mode.