Configure your broker environment to globally coordinate message flow transactions with updates in Oracle databases under the control of a 32-bit queue manager.
All WebSphere® MQ Version 5.3 queue managers and all WebSphere MQ Version 6 queue managers on 32-bit platforms run in 32-bit mode. 32-bit queue managers can coordinate transactions only in 32-bit mode and can coordinate message flows that are deployed only to 32-bit execution groups.
To configure your broker environment for global coordination using a 32-bit queue manager as the transaction manager: