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Event Types

Exchange Server 2003

Event Types

This content is no longer actively maintained. It is provided as is, for anyone who may still be using these technologies, with no warranties or claims of accuracy with regard to the most recent product version or service release.

There are three types of Exchange store events: synchronous events, asynchronous events, and system events. Synchronous and asynchronous events react to data requests, such as saving an item to the Exchange store or deleting an item from the Exchange store. Synchronous events fire before an item is committed to the Exchange store. Asynchronous events fire after an item has been committed to the Exchange store.

Instead of reacting to data requests, system events fire after a certain period of time, or when a database starts up or shuts down.

The following topics discuss the three types of events:

Synchronous Events

Asynchronous Events

System Events

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