Complete these tasks when you upgrade any CICS® Transaction Server region to CICS Transaction Server for z/OS®, Version 5 Release 2.
Important: 
Before you upgrade you must install
the CICS TS for z/OS V5.2 - activation module or CICS TS for z/OS Value Unit Edition V5.2 - activation module for the version of CICS that you are going to use.
Before you upgrade you must install
the CICS TS for z/OS V5.2 - activation module or CICS TS for z/OS Value Unit Edition V5.2 - activation module for the version of CICS that you are going to use.You must also add the SDFHLIC or SDFHVUE library in the
STEPLIB of the CICS TS JCL. The SDFHLIC or SDFHVUE library must be
APF-authorized. If you use coupling facility data table servers, temporary
storage servers, region status servers, or named counter servers,
you must also add the SDFHLIC or SDFHVUE library to the STEPLIB of
the JCL for each of the servers.
