With Rational Integration Tester version 8.5.1 or later, IBM IMS™ versions 10, 11, and 12 are supported.
You can record and test IBM IMS type 1 and type 2 messages.
Type 1 messages are generated from applications deployed on IBM WebSphere® Application Server (versions 8.0 and later) that are configured with the IBM IMS Transaction Manager Resource Adapter (versions 11, 12, and 13 are supported).
Type 2 messages are generated from user-written applications that use IBM IMS Enterprise Suite Connect API (C and Java™, 2.1, 2.2, and 3.1 are supported).