I'm having some problems interpreting the errors produced by the Exchange load generator. Below is a section from the loadgenrem log file. Any help with the interpretation of the error would be greatly appreciated. RemoteService.General Information: 0 : 8/20/2008 7:29:51 AM -- Microsoft Exchange Load Generator Remote Agent Started.Outlook2003Online Error: 0 : 8/20/2008 7:50:59 AM -- TryOut retrying ... Error: Microsoft.Mapi.MapiExceptionObjectChanged: MapiExceptionObjectChanged: Unable to save changes. (hr=0x80040109, ec=-2147221239)Diagnostic context: Lid: 18969 EcDoRpcExt2 called [length=733] Lid: 27161 EcDoRpcExt2 returned [ec=0x0][length=584][latency=0] Lid: 23226 --- ROP Parse Start --- Lid: 27962 ROP: ropDeletePropsNoReplicate [122] Lid: 27962 ROP: ropSetProps [10] Lid: 27962 ROP: ropSaveChangesMessage [12] Lid: 17082 ROP Error: 0x80040109 Lid: 18273 Lid: 21921 StoreEc: 0x80040109 Lid: 27962 ROP: ropExtendedError [250] Lid: 1494 ---- Remote Context Beg ---- Lid: 1238 Remote Context Overflow Lid: 14164 StoreEc: 0xFFFFFA1D PropTag: 0x676D0102 Lid: 8660 StoreEc: 0x8004010F PropTag: 0x676D0102 Lid: 18658 Lid: 11956 StoreEc: 0x8004010F PropTag: 0x676D0102 Lid: 15604 StoreEc: 0x8004010F Lid: 14164 StoreEc: 0xFFFFFA1D PropTag: 0x676C0102 Lid: 8660 StoreEc: 0x8004010F PropTag: 0x676C0102 Lid: 18658 Lid: 11956 StoreEc: 0x8004010F PropTag: 0x676C0102 Lid: 15604 StoreEc: 0x8004010F Lid: 21970 StoreEc: 0x8004010F PropTag: 0x678A0102 Lid: 21970 StoreEc: 0x8004010F PropTag: 0x668F0040 Lid: 5505 StoreEc: 0x80040109 Lid: 5041 StoreEc: 0x80040109 Lid: 23921 StoreEc: 0x3EC Lid: 21970 StoreEc: 0x8004010F PropTag: 0x663A000B Lid: 23921 StoreEc: 0x3EC Lid: 21970 StoreEc: 0x8004010F PropTag: 0x66C40003 Lid: 4465 StoreEc: 0x80040109 Lid: 6926 StoreEc: 0x80040109 Lid: 1750 ---- Remote Context End ---- Lid: 31418 --- ROP Parse Done --- Lid: 21457 Lid: 19665 StoreEc: 0x80040109 at Microsoft.Mapi.MapiExceptionHelper.ThrowIfError(String message, Int32 hresult, Int32 ec, DiagnosticContext diagCtx) at Microsoft.Mapi.MapiProp.SaveChanges() at Microsoft.Exchange.Swordfish.Extensions.MapiCommon.FreeBusyUtil.<>c__DisplayClass2.<PublishFreeBusyInfo>b__1(MapiMessage freeBusyMessage) at Microsoft.Exchange.Swordfish.Extensions.MapiCommon.FreeBusyUtil.UsingFreeBusyMessage(User user, Action`1 action) at Microsoft.Exchange.Swordfish.Extensions.MapiCommon.FreeBusyUtil.<>c__DisplayClass2.<PublishFreeBusyInfo>b__0() at Microsoft.Exchange.Swordfish.Extensions.MapiCommon.MapiUtil.<>c__DisplayClass4.<TryOut>b__0() at Microsoft.Exchange.Swordfish.IL.ILUtil.DoTryFilterCatch(ThreadStart tryClause, Predicate`1 filterClause, Action`1 catchClause). Engine.General Critical: 0 : 8/20/2008 7:51:13 AM -- Caught exception in executeTaskStub: Microsoft.Mapi.MapiExceptionObjectChanged: MapiExceptionObjectChanged: Unable to save changes. (hr=0x80040109, ec=-2147221239)Diagnostic context: Lid: 18969 EcDoRpcExt2 called [length=393] Lid: 27161 EcDoRpcExt2 returned [ec=0x0][length=584][latency=0] Lid: 23226 --- ROP Parse Start --- Lid: 27962 ROP: ropDeletePropsNoReplicate [122] Lid: 27962 ROP: ropSetProps [10] Lid: 27962 ROP: ropSaveChangesMessage [12] Lid: 17082 ROP Error: 0x80040109 Lid: 18273 Lid: 21921 StoreEc: 0x80040109 Lid: 27962 ROP: ropExtendedError [250] Lid: 1494 ---- Remote Context Beg ---- Lid: 1238 Remote Context Overflow Lid: 14164 StoreEc: 0xFFFFFA1D PropTag: 0x676D0102 Lid: 8660 StoreEc: 0x8004010F PropTag: 0x676D0102 Lid: 18658 Lid: 11956 StoreEc: 0x8004010F PropTag: 0x676D0102 Lid: 15604 StoreEc: 0x8004010F Lid: 14164 StoreEc: 0xFFFFFA1D PropTag: 0x676C0102 Lid: 8660 StoreEc: 0x8004010F PropTag: 0x676C0102 Lid: 18658 Lid: 11956 StoreEc: 0x8004010F PropTag: 0x676C0102 Lid: 15604 StoreEc: 0x8004010F Lid: 21970 StoreEc: 0x8004010F PropTag: 0x678A0102 Lid: 21970 StoreEc: 0x8004010F PropTag: 0x668F0040 Lid: 5505 StoreEc: 0x80040109 Lid: 5041 StoreEc: 0x80040109 Lid: 23921 StoreEc: 0x3EC Lid: 21970 StoreEc: 0x8004010F PropTag: 0x663A000B Lid: 23921 StoreEc: 0x3EC Lid: 21970 StoreEc: 0x8004010F PropTag: 0x66C40003 Lid: 4465 StoreEc: 0x80040109 Lid: 6926 StoreEc: 0x80040109 Lid: 1750 ---- Remote Context End ---- Lid: 31418 --- ROP Parse Done --- Lid: 21457 Lid: 19665 StoreEc: 0x80040109 at Microsoft.Mapi.MapiExceptionHelper.ThrowIfError(String message, Int32 hresult, Int32 ec, DiagnosticContext diagCtx) at Microsoft.Mapi.MapiProp.SaveChanges() at Microsoft.Exchange.Swordfish.Extensions.MapiCommon.FreeBusyUtil.<>c__DisplayClass2.<PublishFreeBusyInfo>b__1(MapiMessage freeBusyMessage) at Microsoft.Exchange.Swordfish.Extensions.MapiCommon.FreeBusyUtil.UsingFreeBusyMessage(User user, Action`1 action) at Microsoft.Exchange.Swordfish.Extensions.MapiCommon.FreeBusyUtil.<>c__DisplayClass2.<PublishFreeBusyInfo>b__0() at Microsoft.Exchange.Swordfish.Extensions.MapiCommon.MapiUtil.<>c__DisplayClass4.<TryOut>b__0() at Microsoft.Exchange.Swordfish.IL.ILUtil.DoTryFilterCatch(ThreadStart tryClause, Predicate`1 filterClause, Action`1 catchClause) at Microsoft.Exchange.Swordfish.Extensions.MapiCommon.MapiUtil.TryOut(ThreadStart tryClause) at Microsoft.Exchange.Swordfish.Extensions.MapiCommon.FreeBusyUtil.PublishFreeBusyInfo(MapiStore store, User user, Int32 monthCount, Int32 rangeCount) at Microsoft.Exchange.Swordfish.Extensions.Outlook2003Online.Outlook2003OnlineModule.PostFreeBusyTask(Object state) at Microsoft.Exchange.Swordfish.TaskEngine.<>c__DisplayClassc.<executeTaskStub>b__5() at Microsoft.Exchange.Swordfish.IL.ILUtil.DoTryFilterCatch(ThreadStart tryClause, Predicate`1 filterClause, Action`1 catchClause)

Hi, 0x80040109 means ecObjectModified First please check event log to see whether any error event logged there. Especially event 9874,event 115,event 6012.(application log). Note: Please run eventvwr from a command prompt to open Event Viewer. The Kaspersky scan engine definition files are no longer updated, and event IDs 6012 and 9874 are logged on a computer that is running Forefront Security for Exchange Server or Forefront Security for SharePoint http://support.microsoft.com/kb/947187/en-us Then please run BPA to have a health scan to see whether any error will be logged there. Please feel free to post the event and related error information here. Hope it helps. Xiu