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"The SMTP address has no mailbox associated with it" error when you access a user's mailbox by using EWS application

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Symptoms

This issue occurs when you provide a mail-enabled user with a delegate or service account in a Microsoft Exchange Web Service (EWS)-based application in an Exchange Server 2013 environment. This issue will not occur when you use EWS-based application impersonation.

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Resolution

To resolve this issue, install the the following update:

Cumulative Update 8 for Exchange Server 2013

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More Information

This issue occurs because, when Exchange Server 2013 processes a FindItem request, Exchange Server 2013 tries to log the request. That causes an attempt to look up mailbox attributes. However, a mail-enabled user does not have the mailbox attributes. Therefore, Exchange Server 2013 throws an "ErrorNonExistentMailbox" error.

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Keywords: kbqfe, kbfix, kbsurveynew, kbexpertiseinter, kb

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Article Info
Article ID : 3006861
Revision : 1
Created on : 1/7/2017
Published on : 3/17/2015
Exists online : False
Views : 373