This information describes what you must do
to configure your system for XA support.
Configuring for XA transaction support
You can configure CICS Transaction
Gateway to benefit from XA transactionality. XA transactionality provides
support for two-phase commit transactions and allows CICS Transaction Gateway to participate in global
transactions. This section describes how to configure a single CICS Transaction Gateway and multiple CICS Transaction Gateways in a
highly-available Gateway group.
Enabling CTGRRMS services
To support XA, CICS Transaction Gateway issues
authorized RRS calls, through CTGRRMS services. Protect these services
with RACF®,
or another external security manager. Follow these instructions to
add the new services, and to protect them.