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Throttling policy throttles all EWS applications in Exchange Server 2010
Article ID: 2713371 - View products that this article applies to.
Consider the following scenario:
Note The expected behavior is that only the EWS application whose operations exceed the limit that is set in the client throttling policies is restricted.
This issue occurs because all the EWS applications that run on behalf of the user consume the same client throttling policy budget.
To resolve the problem, install Update Rollup 4 for Exchange Server 2010 Service Pack 2. For more information about this update rollup, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/2706690 / )Description of Update Rollup 4 for Exchange Server 2010 Service Pack 2
For more information about Client Throttling Policies, go to the following Microsoft website:
General information about client throttling policiesFor more information about throttling budget calculation, go to the following Microsoft website:
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.