80020168 when updating
This topic describes how you can implement concurrency when updating data in Microsoft Dynamics AX by using Application Integration Framework (AIF).Concurrency is the ability for multiple processes to access or change shared data at the same time.
The greater the number of concurrent processes that can execute without blocking each other, the greater the concurrency of the database system.
When you update data in Microsoft Dynamics AX using AIF, there are two methods the framework uses to handle concurrency: When you update data using AIF, the document hash is required and it must be correct.
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When you send the data back into AIF to update a record, it recalculates the document hash from the database records in the update and compares it to the document hash in the inbound message.