If you use active directory users and computers to mail enable a user account with an exchange 07 mailbox, it'll probably work and seem fine in outlook until the user tries to hit OWA. Then they'll get the error below. Also, EMC will list their mailbox as 'legacy mailbox'. To resolve, execute this cmdlet: Set-Mailbox username -ApplyMandatoryProperties
RequestUrl:
https://webmail.company.com/owa/lang.owa host address: 192.168.10.10
ExceptionException type: Microsoft.Exchange.Data.Storage.StoragePermanentExceptionException 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(OwaContext 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 ExceptionException type: Microsoft.Exchange.Data.Directory.InvalidADObjectOperationExceptionException 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()