Event ID 115 may be logged intermittently on a computer that is running Exchange Server 2007 with Service Pack 1

On a computer that is running Exchange 2007 Service Pack 1 (SP1), events from the MSExchange Search Indexer may be logged intermittently. These events resemble the following:

Event Type: Error
Event Source: MSExchange Search Indexer
Event Category: General
Event ID: 115
Description: Mapi protocol handler encountered an unknown exception obtaining message content from : MDB <ID>, Mailbox <ID>, DocumentID <ID>, EntryID System.Byte[]. The exception is: Microsoft.Mapi.MapiExceptionNotFound: MapiExceptionNotFound: Unable to open property <ID> (Interface <ID>, Options 0) with flags ReadOnly. (hr=0x8004010f, ec=-2147221233) Diagnostic context: Lid: 18969 EcDoRpcExt2 called [length=103] Lid: 27161 EcDoRpcExt2 returned [ec=0x0][length=206][latency=0] Lid: 23226 --- ROP Parse Start --- Lid: 27962 ROP: ropOpenAttach [34] Lid: 27962 ROP: ropOpenStream [43] Lid: 17082 ROP Error: 0x8004010F Lid: 24673 Lid: 21921 StoreEc: 0x8004010F Lid: 27962 ROP: ropExtendedError [250] Lid: 1494 ---- Remote Context Beg ---- Lid: 26426 ROP: ropOpenStream [43] Lid: 24633 Lid: 5076 StoreEc: 0x8004010F PropTag: 0x37010102 Lid: 28737 Lid: 7540 StoreEc: 0x8004010F PropTag: 0x37010102 Lid: 21569 Lid: 24641 StoreEc: 0x8004010F Lid: 23617 Lid: 5326 StoreEc: 0x8004010F Lid: 25025 Lid: 18881 StoreEc: 0x8004010F Lid: 1750 ---- Remote Context End ---- Lid: 31418 --- ROP Parse Done --- Lid: 25793 Lid: 23873 StoreEc: 0x8004010F Lid: 23097 Lid: 19001 StoreEc: 0x8004010F at Microsoft.Mapi.MapiExceptionHelper.ThrowIfError(String message, Int32 hresult, Object objLastErrorInfo) at Microsoft.Mapi.MapiProp.OpenProperty(PropTag propTag, Guid interfaceId, Int32 interfaceOptions, OpenPropertyFlags flags) at Microsoft.Mapi.MapiProp.OpenStream(PropTag propTag, OpenPropertyFlags flags) at Microsoft.Exchange.Search.MapiIterator.<GetContents>d__0.MoveNext() at Microsoft.Exchange.Search.MapiIterator.<GetContents>d__0.MoveNext() at Microsoft.Exchange.Search.MapiChunkSource.GetNextChunk(IntPtr chunk).

Note Frequently, this event is harmless and can be safely ignored. For example, the event may be logged when an item contains an attachment that has no data in it.

To resolve this problem, download Update Rollup 4 for Exchange Server 2007 Service Pack 1. Then, install the update on the Exchange server. For more information about how to download Update Rollup 4 for Exchange Server 2007 Service Pack 1, click the following article number to view the article in the Microsoft Knowledge Base:

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