Symptoms
The Store.exe process crashes on a Microsoft Exchange Server 2010 mailbox server during Exchange database online maintenance. Additionally, the following error is logged in the Application log:
Log Name: ApplicationSource: MSExchange CommonDate: DateEvent ID: 4999Task Category: GeneralLevel: ErrorKeywords: ClassicUser: N/AComputer: ComputerDescription: Watson report about to be sent for process id: Process ID, with parameters: E12N, Build Type, Version Number, store.exe, mdbrest.dll, XXXX, c0000005, XXXX, Version Number.ErrorReportingEnabled: False
Cause
This issue occurs because Exchange store does not check for a NULL value of the PR_SUBJECT_PREFIX property for a message item. The NULL value then crashes the Exchange store.
Resolution
To resolve this issue, install the following update rollup:
2645995 Description of Update Rollup 1 for Exchange Server 2010 Service Pack 2
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
More Information
For more information about the PidTagSubjectPrefix Canonical property, visit the following Microsoft website:
General information about the PidTagSubjectPrefix Canonical propertyFor more information about how to maintain mailbox databases, visit the following Microsoft website:
