The Microsoft Exchange Information Store service crashes during move-mailbox operations in Microsoft Exchange Server 2007. When this problem occurs, the following event is logged:
Event Type: Error Event Source: MSExchange Common Event Category: (1) Event ID: 4999 Description: Watson report about to be sent to dw20.exe for process id: <ID>, with parameters: E12N, c-rtl-AMD64, <version number>, store.exe, mdbrest.dll, 4e140, c0000005, edee, <version number>. ErrorReportingEnabled: False
Certain messages contain an invalid display name or an invalid recipient row. Buffer size is restricted to 32k. These messages exceed the buffer size restriction during the operations. Then, the invalid display name or invalid recipient row causes an Access Violation in the store.exe program.
To resolve this problem, apply the following update:
971534 Description of Update Rollup 1 for Exchange Server 2007 Service Pack 2
After you apply this fix, you must create a DWORD entry and set the value to 1: