Migration from V5.3.1

The following factors must be taken into consideration when migrating from V5.3.1:

• Software levels -- minimum prerequisites

• Channel initiator parameters -- now implemented as queue manager attributes

• TCP/IP interface -- single interface only now supported

• CF structures -- new CFLEVEL 4 is now supported

• Channel event messages -- can now be enabled or disabled

• DB2 plan names -- of object description databases have changed

• Security profiles -- new MQSC commands require security profiles

• Channel attributes -- heartbeat interval and message retry attributes have changed

• PCF -- new commands require new security profiles

• Clustering -- enhanced default workload management capabilities

• Large page sets -- up to 64GB now supported

For more information, see the WebSphere MQ for z/OS System Setup Guide.