If the before completion stage of a transaction process is likely to include processes that could either take a long time to complete or could fail, then you might want the transaction to time out.
By default, transaction timeout alarms are cancelled prior to the before completion phase of the transaction begins. The DELAY_CANCELLING_ALARMS custom property allows the before completion phase of the transaction to be encompassed within the transaction timeout period. To do this, set the custom property on the application server.
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