Error message when an Exchange Server 2007 user or an Exchange Server 2010 user tries to log on to OWA

http://support.microsoft.com/kb/941146

when you see this long list of errors:

Request



Url: https://:443/owa/lang.owa



User host address: 



Exception



Exception type: Microsoft.Exchange.Data.Storage.StoragePermanentException



Exception message: There was a problem accessing Active Directory.



Call stack



Microsoft.Exchange.Data.Storage.ExchangePrincipal.Save()



Microsoft.Exchange.Clients.Owa.Core.RequestDispatcher.DispatchLanguagePostLocally(OwaContext owaContext, OwaIdentity logonIdentity, CultureInfo culture, String timeZoneKeyName, Boolean isOptimized)



Microsoft.Exchange.Clients.Owa.Core.RequestDispatcher.DispatchLanguagePostRequest(OwaContext owaContext)



Microsoft.Exchange.Clients.Owa.Core.RequestDispatcher.PrepareRequestWithoutSession(O



waContext owaContext, UserContextCookie userContextCookie)



Microsoft.Exchange.Clients.Owa.Core.RequestDispatcher.InternalDispatchRequest(OwaContext owaContext)



Microsoft.Exchange.Clients.Owa.Core.RequestDispatcher.DispatchRequest(OwaContext owaContext)



System.Web.HttpApplication.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()



System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)



Inner Exception



Exception type:



Microsoft.Exchange.Data.Directory.InvalidADObjectOperationException



Exception message: Property Languages cannot be set on this object because it requires the object to have version 0.1 (8.0.535.0) or later. Current version of the object is 0.0 (6.5.6500.0).



Call stack



Microsoft.Exchange.Data.Directory.PropertyBag.set_Item(PropertyDefinition key, Object value)



Microsoft.Exchange.Data.Directory.ADObject.set_Item(PropertyDefinition propertyDefinition, Object value)



Microsoft.Exchange.Data.Directory.ADObject.StampCachedCaculatedProperties(Boolean retireCachedValue)



Microsoft.Exchange.Data.Directory.ADObject.ValidateWrite(List`1 errors)



Microsoft.Exchange.Data.Directory.Recipient.ADRecipient.ValidateWrite(List`1 errors)



Microsoft.Exchange.Data.Directory.Recipient.ADUser.ValidateWrite(List`1 errors)



Microsoft.Exchange.Data.Directory.ADSession.Save(ADObject instanceToSave, IEnumerable`1 properties)



Microsoft.Exchange.Data.Storage.ExchangePrincipal.Save()