EWS from a Web Application using Windows Authentication and Impersonation

To augment an earlier blog post that describes how to use EWS in a SharePoint webpart without needing ApplicationImpersonation, here I will go through the steps needed to do this from a standard web application.  The scenario is that a web application (hosted on a standalone application server) needs to access a user’s mailbox using…

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Exchange 2010, EWS, Autodiscover and the MAPIEnabled property

Recently we had a case come in whereby a customer was having problems connecting to a mailbox using EWS against a Live@Edu mailbox.  There were a few interesting points that came up during investigation of this case. In the first instance, we only support using Autodiscover with EWS to access any cloud mailbox (e.g. Live@Edu…

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