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The Exchange Information Store service stops responding on an Exchange Server 2010 server
Article ID: 2707242 - View products that this article applies to.
Assume that many users access a public folder on a Microsoft Exchange Server 2010 Mailbox server at the same time. In this situation, the Microsoft Exchange Information Store service (Store.exe) may stop responding on the Exchange Server 2010 server. Additionally, if you run Performance Monitor, you notice that the value of the RPC Requests performance counter for the MSExchangeIS object is high and does not decrease.
This issue occurs because of a deadlock in the Exchange Information Store service.
To resolve this issue, install the following update rollup:
(http://support.microsoft.com/kb/2706690/ )Description of Update Rollup 4 for Exchange Server 2010 Service Pack 2
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about Performance Monitor counters, go to the following Microsoft website:
Exchange Information Store Performance Monitor counters
Article ID: 2707242 - Last Review: August 14, 2012 - Revision: 2.0