Exchange Web Services and SharePoint 2013 without ApplicationImpersonation

I previously wrote an article showing how to set up Sharepoint 2010 to be able to access users’ mailboxes using EWS and integrated authentication (i.e. no service account was needed for the EWS calls).  Things have changed with Sharepoint 2013, so this article details the process with the latest versions of the products (at the…


Exchange Web Services and SharePoint without ApplicationImpersonation

A question that I have seen crop up quite a bit on the internet is how to use EWS with a SharePoint webpart.  Using EWS is quite easy, as you can simply reference the managed API and use that – but the main implementation headache is how to set up authentication.  A lot of customers…

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