Exchange 2007/Outlook 2007/OWA 2007 Windows Server 2003 x64 Ok heres the stack: I removed some info. FYI, this user is an admin on my network. RequestUrl: User host address: User: EX Address: /o=/ou=first administrative group/cn=recipients/cn= SMTP Address:user@user.com OWA version: 8.0.744.0Mailbox server: ****.*******.com ExceptionException type: Microsoft.Exchange.Data.Storage.CannotCompleteOperationExceptionException message: Cannot save changes made to an item to store. Call stackMicrosoft.Exchange.Data.Storage.MapiPropertyBag.SaveChanges() Microsoft.Exchange.Data.Storage.StoreObjectPropertyBag.SaveChanges(Boolean commit) Microsoft.Exchange.Data.Storage.AcrPropertyBag.SaveChangesWithAcr(SaveMode saveMode) Microsoft.Exchange.Data.Storage.Item.SaveInternal(SaveMode saveMode, Boolean commit) Microsoft.Exchange.Clients.Owa.Core.Utilities.SaveItem(Item item, Boolean updatePerfCounter) Microsoft.Exchange.Clients.Owa.Premium.EditCalendarItemEventHandler.Save()Inner ExceptionException type: Microsoft.Mapi.MapiExceptionCanNotCompleteException message: MapiExceptionCanNotComplete: Unable to save changes. (hr=0x800703eb, ec=-2147023893) Diagnostic context: Lid: 18969 EcDoRpcExt2 called [length=1003] Lid: 27161 EcDoRpcExt2 returned [ec=0x0][length=584][latency=15] Lid: 23226 --- ROP Parse Start --- Lid: 27962 ROP: ropSetProps [10] Lid: 27962 ROP: ropSaveChangesMessage [12] Lid: 17082 ROP Error: 0x800703EB Lid: 18273 Lid: 21921 StoreEc: 0x800703EB Lid: 27962 ROP: ropExtendedError [250] Lid: 1494 ---- Remote Context Beg ---- Lid: 1238 Remote Context Overflow Lid: 21970 StoreEc: 0x8004010F PropTag: 0x668F0040 Lid: 21970 StoreEc: 0x8004010F PropTag: 0x668F0040 Lid: 4999 StoreEc: 0x8004010F Lid: 23921 StoreEc: 0x3EC Lid: 21970 StoreEc: 0x8004010F PropTag: 0x668F0040 Lid: 21970 StoreEc: 0x8004010F PropTag: 0x668F0040 Lid: 21970 StoreEc: 0x8004010F PropTag: 0x668F0040 Lid: 21970 StoreEc: 0x8004010F PropTag: 0x668F0040 Lid: 14164 StoreEc: 0xFFFFFA1D PropTag: 0xE5E0003 Lid: 8660 StoreEc: 0x8004010F PropTag: 0xE5E0003 Lid: 21970 StoreEc: 0x8004010F PropTag: 0xE5E0003 Lid: 12628 StoreEc: 0xFFFFFEB9 Lid: 2221 StoreEc: 0xFFFFFEB9 Lid: 10645 StoreEc: 0xFFFFFEB9 Lid: 10213 StoreEc: 0xFFFFFEB9 Lid: 9189 StoreEc: 0xFFFFFEB9 Lid: 4884 StoreEc: 0x800703EB Lid: 4465 StoreEc: 0x800703EB Lid: 6926 StoreEc: 0x800703EB Lid: 10786 dwParam: 0x0 Msg: GLDSVR4 Lid: 1750 ---- Remote Context End ---- Lid: 31418 --- ROP Parse Done --- Lid: 21457 Lid: 19665 StoreEc: 0x800703EB Call stackMicrosoft.Mapi.MapiExceptionHelper.ThrowIfError(String message, Int32 hresult, Object objLastErrorInfo) Microsoft.Mapi.MapiProp.SaveChanges() Microsoft.Exchange.Data.Storage.MapiPropertyBag.SaveChanges() That in OWA. As for Outlook: 9:02:56 Synchronizer Version 12.0.4518 9:02:56 Synchronizing Mailbox 9:02:56 Synchronizing local changes in folder 9:02:56 Uploading to server 9:02:56 Error synchronizing message 'test' 9:02:56 [80004005-501-FFFFFEAE-324] 9:02:56 The client operation failed. 9:02:56 Microsoft Exchange Information Store 9:02:56 For more information on this failure, click the URL below: 9:02:56 http://www.microsoft.com/support/prodredirect/outlook2000_us.asp?err=80004005-501-fffffeae-324 9:02:56 Moved a message that failed synchronization to 'Local Failures'. Message subject -> 'test'. You can view this message in your offline folder file only. 9:02:56 Error synchronizing message 'test' 9:02:56 [80004005-501-FFFFFEAE-324] 9:02:56 The client operation failed. 9:02:56 Microsoft Exchange Information Store 9:02:56 For more information on this failure, click the URL below: 9:02:56 http://www.microsoft.com/support/prodredirect/outlook2000_us.asp?err=80004005-501-fffffeae-324 9:02:57 Moved a message that failed synchronization to 'Local Failures'. Message subject -> 'test'. You can view this message in your offline folder file only. 9:02:57 Downloading from server 9:02:57 1 view(s)/form(s) updated in offline folder 9:02:57 Done Now this happens whenever you try to add or accept any calendar item, whether it be owa, or outlook. No one else is experiencing this problem. Same thing happens if you share the user's calendar and apply it through my outlook. This user can also email in and out no problem. This is the only problem the user is experiencing. I have no clue on what is going on. The links in the error is useless and irrelevant. Any help would be wonderful. Thanks, Chris

Does this error occur with a new Outlook profile / on another computer?

For this user, yes. It appears to only effect this user. It effects OWA, his Outlook 2007 on desktop and on laptop. Could this possibly be an Exchange/AD permissions based problem?

Can anyone help me on this?

I have same problem - my boss cannot save items to your calendar Symptoms are identical Maybe this occurs after incorrect syncronization via Activesync Can anyone any ideas?

Same "problem" here.. (in fact its my boss too, unfortunately) Only we dont use ActiveSync for him, we use Blackberry. Does no-one out there have a clue??

I have the same Problem. Only 1 User from 1400 on Exchange 2007.Is there a solution?Export the Mailbox and Import in a new Mailbox?!

In Eventlog of the Exchange 2007 System came this Error for a lot of calendar-items of this user. ID 8230 Source EXCDO "In USERNAME wurde eine Inkonsistenz erkannt" (sorry, it's a German System)ID 8206 Source EXCDO "Fehler des Kalender-Agents beim Speichern des Termins. Fehlercode 0x80040215"ID 8213 Source EXCDO "Fehler des Kalender-Agents bei der Aktualisierung des Frei/Gebucht-Caches whrend eines Speicher- oder Lschvorgangs fr einen Termin."You must delete all this calender-items.The cause can bethe User made this items withBlackberry.The most common cause of calendar item corruption is scanning the Exchange Installable File System (IFS) drive with file system-based antivirus software or running Backup-Service in the Moment of user access/sync.If this dont work, you must delete the Mailbox and create an new one. Our Problem was solved in the Moment the User deletedthe items.