Debug: Syncing custom EWS app to an Exchange Server 2010 mailbox receive ErrorServerBusy

When you try to synchronize an Exchange Web Service (EWS)-based application to a mailbox in a Microsoft Exchange Server 2010 environment, you receive an ErrorServerBusy response code and an error message that resembles the following: The server cannot service this request right now. Try again later. This error occurs when the server is busy. Exchange…