Dan's WebDAV 101
This blog covers Messaging API development for Exchange and Outlook. My name is Daniel Bagley, I'm on the Messaging Developer Team.
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exchange managed API
exchange web services
Forms based authentication
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Dan's WebDAV 101
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EWS Streaming Notifications with Exchange 2013
Below are some pointers on EWS streaming events with Exchange 2013/Exchange Online. The basics: Affinity in Exchange 2013/Wave 15 is handled the client application using cookies and headers. Subscription code needs to gather information using AutoDiscover, and create batch list of mailboxes to...
17 Nov 2015
About: Exchange Server ActiveSync (EAS)
API Type: Mailbox Assessor API Interface: APIs which can send a POST. Business Logic: Works with mailbox and public folder content including items, folders and special settings. Development Languages: N/A. Property Access: Yes Product Versions: Exchange 2003, 2007, 2010, 2013, Exchange Online. Summary...
1 Jun 2015
Best Practices - EWS Authentication and Access Issues
Authentication and access to a mailbox is an often misunderstood area. I'm going to cover Authentication and type of access (impersonation vs delegate access vs direct access) and common problems developers run into in this article. Authentication vs Authorization. Lets start from the beginning...
11 May 2015
EWS calls can do impersonation and delegation... how about REST?
This is an area where what EWS can do some things the REST API can do. At this time the REST API does not support impersonation, delegation or Basic Authentication with Exchange. Its possible that this may change in the future; however, for now those are not supported. If you need those capabilities...
22 Jan 2015
"Enhancing Exchange" via unsupported methods.
Every so often we run into cases where customers try to augment the behavior of Exchange or otherwise integrate with it using some unsupported methodology. When this is done Exchange may become unstable and behave in unexpected ways. It’s extremely important to stick to what is supported. If you...
13 Jun 2013
The importance of EWS Impersonation while using an application account.
Developers of applications which require access to user mailboxes often struggle with the choice between the Impersonation and Delegation access methods. While both provide programmatic rights to mailbox objects, they are designed to meet rather different needs, and for situations where a single account...
27 Jun 2012
Howto: Set the organizer of a meeting on the calendar of an attendee using EWS.
I would like to say that this is something which is easily possible - however, I cannot. Setting the organizer directly in code is not supported. Historically, having the organizer over-writable has caused some pretty bad situations for customers. When a meeting is created, the organizer property is...
28 Sep 2011
Howto: Calling Exchange Powershell from an impersonated thread.
There are not many examples on doing doing impersonation for Exchange Powershell and non of the ones I see currently cover a few of the important gotccha’s. So, I put this together and wish to share. Impersonation and Exchange PowerShell: In order to do impersonation on a thread and have...
25 Sep 2008
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