Plan to execute a full SYSGEN because so much has changed in this release. Retain your existing r11.3 JCLLIB and create a separate JCLLIB for the new release. You can then compare the JCLLIBs so that you can make any necessary changes. Keep the r11.3 JCLLIB. Retain it in the unlikely event that you must fall back to r11.3.
A number of JCL and procedure members are eliminated, and some user exits. The CA Datacom/AD libraries are now included in JCL STEPLIB concatenations. Some DD statements have been dropped. Numerous changes have been made to the CA7ONL initialization file too.
Important! Ensure that the changes described here are made throughout the enterprise to ensure continuity of function.
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