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IBM WebSphere MQ V7.1 and V7.5 Features and Enhancements by Carolyn Elkins, Mark Taylor, Jamie Squibb, Alexander Ross, Barry Dearfield, Craig Both, Cezar Aranha

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CICS 4.2 group attach (GROUPUR)
In WebSphere MQ for z/OS V7.0.1, a new capability that is known as Group units of recovery was added for transactional clients and is supported for CICS.
In this chapter, we describe how Group units of recovery provides support for CICS to connect to a queue-sharing group. This functionality extends the availability of WebSphere MQ to CICS regions because they can connect to any available queue manager on the same logical partition (LPAR), if one is available and is a member of the queue-sharing group.
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