Before you begin, check the IEASYSxx member of SYS1.PARMLIB that you use for MVS™ initialization and make note of the initialization values that are referenced during installation. For details about these values, see Noting IEASYSxx values.
If you are converting your CICSPlex® SM system or systems from a previous release to CICSPlex SM for CICS® Transaction Server for z/OS®, Version 3 Release 1, you should read the CICS Transaction Server for z/OS Migration from CICS TS Version 2.3.
In CICS Transaction Server for z/OS, Version 3 Release 1 a CICSPlex SM CMAS will run only in a CICS system at the same release level. For example, a CICS TS 3.1 CMAS runs only in a CICS TS 3.1 region. During startup the CMAS checks the CICS release level and terminates with message EYUXL0142 if the releases do not match.
For details on applying corrective or preventive maintenance to CICSPlex SM, see Applying service to CICS Transaction Server for z/OS.
Take note of the information in CICSPlex System Manager Concepts and Planning about appropriate uses of a CMAS.
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