Before you begin

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.

Note:
These changes have no effect on the managed CICS systems.

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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