DFS7443E CATALOG RESOURCES UNAVAILABLE. UNABLE TO BRING UP IMS.
Explanation
The DFS7443E message is issued in a managed ACB environment if IMS does not find the required IMS catalog DBD and PSB resources in the directory during IMS initialization. The resources that need to be present in the directory to bring up IMS are DFSCD000, DFSCP000, DFSCP001, DFSCX000, and DFSCPL00.