Exchange throttling is your friend… well, more like a police officer.

Here is one way to think of Exchange throttling: Exchange is the freeway. Applications accessing Exchange are the drivers on the freeway. Exchange Throttling is the COP who is there to enforce the rules if you don’t behave. The Exchange Administrator of the servers is the governing power which establishes the throttling limits (laws) which…

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EWS Streaming Notifications with Exchange 2013

Below are some pointers on EWS streaming events with Exchange 2013/Exchange Online.    The basics: Affinity in Exchange 2013/Wave 15 is handled the client application using cookies and headers.  Subscription code needs to gather information using AutoDiscover, and create batch list of mailboxes to subscribe to then and set appropriate headers for the initial subscription…

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Best Practices – EWS Throttling

There are some developers and admins who don’t like it when their applications get throttled by Exchange.  Some get pretty “excited”.  However it’s important to have the correct perspective and that is Exchange is throttling calls from an application because that application is failing to self-throttle. Applications and the developers of them need to take…

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Announcing EwsRelentless 1.0

This is a sample/tool I wrote in order to check the behavior of Exchange when a heavy load is put against it. You need to exercise caution and take responsibility for the code and the apps behavior if you decide to use it since it can throw so much of a load against a CAS that…

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