Sunday, March 9, 2014

Exchange 2007 EWS - The connection to the mailbox is unavailable

I've been using EWS and after an Exchange Server reboot, this message appeared when connecting to EWS: "The connection to the mailbox is unavailable".

The first place where I thought I should start was the Services module in the Exchange mailbox. Just make sure the Microsoft Exchange services (specially the Microsoft Exchange Information Store) are up and running. Of course, there maybe several reasons for this error, it turned out that for me this fixed it.

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