I've been follow blogs to enable welcome email in Exchange 2013, and I got the warning prompt as below during I create new mailbox. What could be the reason of that? my new mailbox doesn't receive any welcome message.
blogs:
http://blogs.technet.com/b/sukum/archive/2013/04/03/send-welcome-email-to-new-mailbox-users.aspx
Warning:
The cmdlet extension agent with the index 5 has thrown an exception in OnComplete(). The exception is: Microsoft.Exchange.Provisioning.ProvisioningException: ScriptingAgent: Exception thrown while invoking scriptlet for OnComplete API: Exception calling"Send" with "1" argument(s): "A recipient must be specified.". ---> System.Management.Automation.MethodInvocationException: Exception calling "Send" with "1" argument(s): "A recipient must be specified." ---> System.InvalidOperationException: A recipient must be specified. at System.Net.Mail.SmtpClient.Send(MailMessage message) at CallSite.Target(Closure , CallSite , Object , Object ) --- End of inner exception stack trace --- at System.Management.Automation.ExceptionHandlingOps.ConvertToMethodInvocationException(Exception exception, Type typeToThrow, String methodName, Int32 numArgs, MemberInfo memberInfo) at CallSite.Target(Closure , CallSite , Object , Object ) at System.Dynamic.UpdateDelegates.UpdateAndExecute2[T0,T1,TRet](CallSite site, T0 arg0, T1 arg1) at System.Management.Automation.Interpreter.DynamicInstruction`3.Run(InterpretedFrame frame) at System.Management.Automation.Interpreter.EnterTryCatchFinallyInstruction.Run(InterpretedFrame frame) --- End of inner exception stack trace --- at Microsoft.Exchange.ProvisioningAgent.ScriptingAgentHandler.OnComplete(Boolean succeeded, Exception e) at Microsoft.Exchange.Provisioning.ProvisioningLayer.OnCompleteImpl(Task task, Boolean succeeded, Exception exception)