The Information Store service crashes continuously on an Exchange Server 2007 server

On an Exchange Server 2007 server, the Microsoft Exchange Information Store service crashes continuously. Additionally, the following errors are logged in the application event logs when the problem occurs.

Error 1

Event Type: Error
Event Source: MSExchangeIS
Event Category: General
Event ID: 9659
Description: The Microsoft Exchange Information Store encountered an unexpected exception 0xC0000005 at address <address> while processing a request for user NETWORK SERVICE.

Error 2

Event Type: Error
Event Source: MSExchange Common
Event Category: General
Event ID: 4999
Description: Watson report about to be sent to dw20.exe for process id: <ID>, with parameters: E12N, c-rtl-AMD64, 08.01.0311.002, store.exe, EXCHMEM.dll, 49e9, c0000005, e7e5, 08.01.0274.000. ErrorReportingEnabled: False

Error 3

Event Type: Error
Event Source: Application Error
Event Category: (100)
Event ID: 1000
Description: Faulting application store.exe, version <version>, faulting module exchmem.dll, version <version>, fault address <address>.

To resolve this problem, install Update Rollup 8 for Exchange 2007 Service Pack 1. For more information about Update Rollup 8 for Exchange Server 2007 Service Pack 1, see the following Exchange Help topic: For more information about how to obtain the latest Exchange service pack or update rollup, see the following Exchange Help topic:

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