Node abnormal condition program

DFHZNAC is a CICS® program used by terminal control to analyze abnormal terminal conditions that are logical unit or node errors detected by VTAM®. VTAM notifies the CICS terminal control program that there is a terminal error, and the terminal control program places the terminal out of service. The terminal control program then invokes DFHZNAC, which writes any error messages to the CSNE transient data destination.

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