The Information Store service intermittently stops responding after you apply Exchange Server 2007 SP1 on an Exchange Server 2007-based server

After you apply Microsoft Exchange Server 2007 Service Pack 1 (SP1) on an Exchange Server 2007-based server, the Information Store service intermittently stops responding. Additionally, the following errors may be logged in the Application log:

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: <process ID of store.exe>, with parameters: E12N, c-rtl-AMD64, 08.01.0240.006, store.exe, EXOLEDB.DLL, d0cd1, c0000005, a9aa, 08.01.0240.005

Event Type: Error
Event Source: Application Error
Event Category: (100)
Event ID: 1000
Description: Faulting application store.exe, version 8.1.240.5, faulting module exoledb.dll, version 8.1.240.5, fault address <address>.

This problem occurs because of an issue with the get_UserSid method. A store event sink is registered and calls the get_UserSid method.

For more information, visit the following Microsoft MSDN Web site:

To resolve this problem, install Update Rollup 1 for Exchange Server 2007 SP1 on the server. For more information about Update Rollup 1 for Exchange Server 2007 Service Pack 1, see the following Exchange Help topic: For more information about how to install the latest Exchange service pack or update rollup, see the following Exchange Help topic:

To work around this problem, remove any store event sinks that call the get_UserSid method.

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

Currently, the only reported instances of this problem are related to a third-party product that is called RealTime Service. The vendor company, Add-On Products, has released a RealTime Service update that removes remove any calls to the get_UserSid method. For more information about this update, visit the following Add-On Products Web site: For more information, click the following article number to view the article in the Microsoft Knowledge Base: For more information, click the following article number to view the article in the Microsoft Knowledge Base:

The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.