The Store.exe process uses almost 100 percent of CPU resources, and the size of the public folder store increases quickly in Micorosoft Exchange Server 2007

Consider the following scenario. You create a Contacts folder in public folder tree that is located in a Microsoft Exchange Server 2007 environment. Additionally, you add some contacts in the Contacts folder. A user opens the properties of the Contacts folder in Microsoft Office Outlook. Then, the user clicks to select the Show this folder as an e-mail Address book check box in the Outlook address book, opens the Outlook address book, and then browses to the Contacts folder. In this scenario, the Store.exe process on the Exchange Server 2007 server uses almost 100 percent of CPU resources. Additionally, the size of the public folder store increases quickly.


This problem occurs because the index is not available when the Microsoft Exchange Information Store service tries to create an index-based view. It takes lots of CPU resource to create such views. Additionally, such views require lots of temporary table space. The space requirement causes the database to increase.


To resolve this problem in Exchange Server 2007 Service Pack 1, install Update Rollup 1 for Exchange Server 2007 Service Pack 1.


To work around this problem, use one of the following methods:

Move public folders to a server that is running Microsoft Exchange Server 2003.
Turn off the Microsoft Search Service in Exchange Server 2007.
Use an address list instead of sharing contacts in public folders.


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the “Applies to” section.


Microsoft Exchange Server 2007 Enterprise Edition
Microsoft Exchange Server 2007 Standard Edition


Microsoft Knowledge Base Article

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