The request failed schema validation… But why?

If you’re particularly proud of your (XML) writing skills or happen to be one of the adventurous sorts who likes to speak to Exchange Web Services using your own SOAP requests, you might encounter a situation or two in which you stumble upon the error when (as always) you’re least expecting it… The request failed…

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Impersonation in the times of RBAC

  So your organization migrated to Exchange Server 2010, and you thought you’d take that opportunity to leverage Role Based Access Control to limit Impersonation rights of your service account to a select set of users by creating a ManagementScope that would filtering the relevant users on the basis of, say, their membership to a…

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The Curious Case of the Persistent EmailAddress1

There’s a rather puzzling issue that many developers creating their own jazzy EWS customizations tend to encounter, when they try modifying the Email Address associated with a contact item. The issue is that when they try using an EWS call to do away with any of the Email Addresses associated with the contact item through…

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Upgraded your VSTO 2010 Runtime? The Manifest Registry needs an upgrade too!

A few months ago (okay, SEVERAL months ago), around the time of March, we started pushing out an updated version of VSTO 2010 Runtime that bumped up its version from 10.0.30319 to 10.0.31007. This happened either through an update of your .NET Framework or if you downloaded the VSTO Runtime from the Download Centre link on…

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