The Microsoft Exchange Information Store service crashes in a Microsoft Exchange Server 2010 server when you try to mount public folder databases. Additionally, the following event is logged in the System log: Additionally, the following events are logged in the Application log:
This issue occurs because the Information Store service tries to update a change to a property in the cache when you mount public folder databases. However, the Information Store service encounters an access violation during the mounting process. Therefore, a crash is forced to prevent any further data corruption.
To resolve this issue, install the following update rollup:
2803727 Description of Update Rollup 1 for Exchange Server 2010 Service Pack 3
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.