Hi all, i'm trying to get my PDA to sync with our exchange server (windows 2003/ exchange 2003 SP2) but i keep getting the following error in the event logs when i am trying to sync. I've anyone can help me resolve the issue or give me good hints on how to resolve it it will be most appriciated. eventID: 1503 An unknown error occurred while processing the current request: Message: The remote server returned an error: (501) Not Implemented. Source: Microsoft.Exchange.OMA.ExchangeDataProvider Stack trace: at Microsoft.Exchange.OMA.ExchangeDataProvider.OmaWebRequest.GetRequestStream() at Microsoft.Exchange.OMA.ExchangeDataProvider.ExchangeServices.GetSpecialFolders() at Microsoft.Exchange.OMA.ExchangeDataProvider.ExchangeServices..ctor(UserInfo user) Message: Exception has been thrown by the target of an invocation. Source: mscorlib Stack trace: at System.Reflection.RuntimeConstructorInfo.InternalInvoke(BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture, Boolean isBinderDefault) at System.Reflection.RuntimeConstructorInfo.Invoke(BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) at System.RuntimeType.CreateInstanceImpl(BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes) at System.Activator.CreateInstance(Type type, BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes) at Microsoft.Exchange.OMA.UserInterface.Global.Session_Start(Object sender, EventArgs e) Message: Exception of type Microsoft.Exchange.OMA.DataProviderInterface.ProviderException was thrown. EventMessage: UserMessage: A System error has occurred while processing your request. Please try again. If the problem persists, contact your administrator. Source: Microsoft.Exchange.OMA.UserInterface Stack trace: at Microsoft.Exchange.OMA.UserInterface.Global.Session_Start(Object sender, EventArgs e) at System.Web.SessionState.SessionStateModule.RaiseOnStart(EventArgs e) at System.Web.SessionState.SessionStateModule.CompleteAcquireState() at System.Web.SessionState.SessionStateModule.BeginAcquireState(Object source, EventArgs e, AsyncCallback cb, Object extraData) at System.Web.AsyncEventExecutionStep.System.Web.HttpApplication+IExecutionStep.Execute() at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) For more information, see Help and Support Center at Op dit e-mailbericht is een disclaimer van toepassing, welke te vinden is op http://www.xb.nl/disclaimer.html