Problem begins, when we installed SP3. We don't have any ideas about this trouble. Request Url: https://xxxxxx.ru:443/owa/ User: xxxxxx EX Address: /o=xxxxx/ou=Exchange Administrative Group (FYDIBOHF23SPDLT)/cn=Recipients/cn=userxxxxxxx SMTP Address: xxxxxxx@xxxx.ru OWA version: 14.3.123.3 Exception Exception type: Microsoft.Exchange.Data.Storage.StoragePermanentException Exception message: Cannot save changes made to an item to store. Call stack Microsoft.Exchange.Data.Storage.MapiPropertyBag.SaveChanges(Boolean force) Microsoft.Exchange.Data.Storage.StoreObjectPropertyBag.SaveChanges(Boolean force) Microsoft.Exchange.Data.Storage.AcrPropertyBag.SaveChanges(Boolean force) Microsoft.Exchange.Data.Storage.CoreItem.Microsoft.Exchange.Data.Storage.ICoreItem.InternalSave(SaveMode saveMode) Microsoft.Exchange.Data.Storage.Item.SaveInternal(SaveMode saveMode, Boolean commit) Microsoft.Exchange.Data.Storage.UserConfiguration.Save(SaveMode saveMode) Microsoft.Exchange.Data.Storage.UserConfiguration.Save() Microsoft.Exchange.Clients.Owa.Core.UserConfigurationUtilities.CreateAndSaveFolderConfiguration(String configurationName, UserContext userContext, StoreId folderId) Microsoft.Exchange.Clients.Owa.Core.UserConfigurationUtilities.GetFolderConfiguration(String configurationName, UserContext userContext, StoreId folderId) Microsoft.Exchange.Clients.Owa.Core.UserContext.GetAllFolderPolicy() Microsoft.Exchange.Clients.Owa.Core.UserContext.OnPostLoadUserContext() Microsoft.Exchange.Clients.Owa.Core.RequestDispatcher.PrepareRequestWithoutSession(OwaContext owaContext, UserContextCookie userContextCookie) Microsoft.Exchange.Clients.Owa.Core.RequestDispatcher.AcquireAndPreprocessUserContext(OwaContext owaContext, HttpRequest request) Microsoft.Exchange.Clients.Owa.Core.RequestDispatcher.InternalDispatchRequest(OwaContext owaContext) Microsoft.Exchange.Clients.Owa.Core.RequestDispatcher.DispatchRequest(OwaContext owaContext) Microsoft.Exchange.Clients.Owa.Core.OwaRequestEventInspector.OnPostAuthorizeRequest(Object sender, EventArgs e) System.Web.HttpApplication.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) Inner Exception Exception type: Microsoft.Mapi.MapiExceptionJetErrorReadVerifyFailure Exception message: MapiExceptionJetErrorReadVerifyFailure: Unable to save changes. (hr=0x80004005, ec=-1018) Diagnostic context: Lid: 55847 EMSMDBPOOL.EcPoolSessionDoRpc called [length=137] Lid: 43559 EMSMDBPOOL.EcPoolSessionDoRpc returned [ec=0x0][length=664][latency=0] Lid: 23226 --- ROP Parse Start --- Lid: 27962 ROP: ropSetProps [10] Lid: 27962 ROP: ropSaveChangesMessage [12] Lid: 17082 ROP Error: 0xFFFFFC06 Lid: 18273 Lid: 21921 StoreEc: 0xFFFFFC06 Lid: 27962 ROP: ropExtendedError [250] Lid: 1494 ---- Remote Context Beg ---- Lid: 1238 Remote Context Overflow Lid: 36537 dwParam: 0x67160102 Lid: 5587 StoreEc: 0x8004010F PropTag: 0x67160102 Lid: 33375 StoreEc: 0x8004010F Lid: 36537 dwParam: 0x67170102 Lid: 5587 StoreEc: 0x8004010F PropTag: 0x67170102 Lid: 33375 StoreEc: 0x8004010F Lid: 36537 dwParam: 0x679A000B Lid: 5587 StoreEc: 0x8004010F PropTag: 0x679A000B Lid: 33375 StoreEc: 0x8004010F Lid: 36537 dwParam: 0x67A90002 Lid: 5587 StoreEc: 0x8004010F PropTag: 0x67A90002 Lid: 33375 StoreEc: 0x8004010F Lid: 36537 dwParam: 0x67AD000B Lid: 5587 StoreEc: 0x8004010F PropTag: 0x67AD000B Lid: 33375 StoreEc: 0x8004010F Lid: 36537 dwParam: 0x67FE0102 Lid: 5587 StoreEc: 0x8004010F PropTag: 0x67FE0102 Lid: 33375 StoreEc: 0x8004010F Lid: 13236 StoreEc: 0xFFFFFC06 Lid: 38593 dwParam: 0xA553C9 Lid: 4097 StoreEc: 0xFFFFFC06 Lid: 63063 Lid: 5041 StoreEc: 0xFFFFFC06 Lid: 4465 StoreEc: 0xFFFFFC06 Lid: 6926 StoreEc: 0xFFFFFC06 Lid: 1750 ---- Remote Context End ---- Lid: 31418 --- ROP Parse Done --- Lid: 21457 Lid: 19665 StoreEc: 0xFFFFFC06 Call stack Microsoft.Mapi.MapiExceptionHelper.ThrowIfError(String message, Int32 hresult, SafeExInterfaceHandle iUnknown, Exception innerException) Microsoft.Mapi.MapiProp.SaveChanges(SaveChangesFlags flags) Microsoft.Exchange.Data.Storage.MapiPropertyBag.SaveChanges(Boolean force)

Hi there, Is there any redirection or customization in OWA? I'd suggest you try to update the webconfig file with the following: Updated webconfig httpOnlyCookies="false" requireSSL="false" Remember backup the webconfig file first. Fiona Liao TechNet Community Support