Tagged Content List
  • Blog Post: Managing Affinity for EWS Impersonation in Exchange 2013 and Exchange Online W15

    Updated 7/25/2013: This post has been re-written. The guidance is the same but I felt I needed to clarify the problem scenario and solution as well as add some code. The guidance in this post relates only to using Exchange Impersonation with EWS in W15. Refer to my previous post to understand the techniques...
  • Blog Post: EWSEditor August 2012 Release

    Download it now! Thank you for using and providing feedback on EWSEditor since the December 2011 release and update. Hopefully you've been watching the check-ins in response to that feedback. While you can download the source at any time and build the latest check-in, I figured updating the published...
  • Blog Post: EWS Managed API Updated! Version 1.2.1 available for download...

    In a post to the Exchange Dev blog , Michael Mainer announced an update to the EWS Managed API today... " The latest release of the EWS Managed API, version 1.2.1, is now available. The EWS Managed API 1.2.1 includes new Exchange Web Services (EWS) client logging features for Exchange Online as part...
  • Blog Post: Matt on Channel9 talking about EWS…

    A couple weeks ago I was invited by the Office Interoperability Team to speak at an event they were hosting in Redmond.  I happy accepted the offer and had a great time presenting a few sessions on EWS best practices.  I also got some time to talk one-on-one with partners attending the event...
  • Blog Post: EWSEditor December 2011 Release Updated!

    I recently found a bug in the December 2011 Release of EWSEditor and just checked in and released an updated build to EWSEditor to fix it.  Here are my bug notes from the check in: “…Bug in ValidationCallbackHelper.CertificateValidationCallBack caused certificate validation to fail always - unless...
  • Blog Post: EWSEditor December 2011 Release - Now on CodePlex!

    Download the December 2011 Update of EWSEditor HERE . Over a year has gone by since a public update to EWSEditor on the MSDN Code Gallery but it’s not been forgotten!  The availability and popularity of Office 365 and Exchange Online make Exchange Web Services (and thus EWSEditor) even more relevant...
  • Blog Post: New OSC Providers Available for Facebook and Windows Live–Your App is Next!

    The Outlook team announced the availability of new Outlook Social Connector (OSC) providers for Facebook and Windows Live today.  The list of providers now includes LinkedIn and MySpace, as well as the aforementioned Facebook and Windows Live.  While this is cool from a consumer perspective...
  • Blog Post: Exchange 2010 Developer Webcasts – Essential Exchange Web Services Knowledge…

    UPDATE 4/12/2012: I just noticed the links below are dead. You can still find the webcasts on MSDN though: http://msdn.microsoft.com/en-us/exchange/aa731550 . I keep recommending these webcasts to people individually so I figured I should mention them here. The EWS team put together a series of six...
  • Blog Post: HOWTO: Return To Sender Transport Agent Sample

    This transport agent identifies a message it wants to reject by looking for “[TEST]” in the subject.  If it finds a message to reject, it creates a new message to be sent back to the sender and attaches the original message being rejected to the new message.  To send the new message back to...
  • Blog Post: Announcing EWSEditor 1.6.1!

    EWSEditor 1.6.1 is now available for download at the EWSEditor Code Gallery project site ! API coverage is a major focus of the 1.6.* releases of EWSEditor. The 1.6.1 release adds an OOF Settings and Availability form to this end. There were several bugs addressed in this release was well as some changes...
  • Blog Post: EWSEditor Update Coming Soon…

    In my introduction of EWSEditor I said I’d try to get an update out in January of 2010 – now it is late February and there is still no update.  What’s up with that?.. Well, life gets busy but I’ve also been working on improvements to ExRCA ’s  EWS tests which you’ll see soon.  I’m also...
  • Blog Post: Announcing EWSEditor 1.5!

    Over the past year I’ve been working with the new Exchange Web Services Managed API and I have to say, it’s a wonderful thing – especially compared to working with the Visual Studio generated proxy classes for Exchange Web Services.  While working with Exchange Web Services (EWS) early in the Exchange...
  • Blog Post: FYI: New Version of Exchange Remote Connectivity Analyzer Released (ExRCA) with new Exchange Web Service Tests!

    From the Exchange Team blog : “Today we released an updated version of the Exchange Remote Connectivity Analyzer . For those of you not familiar with this site, it is a Web-based tool that helps you troubleshoot connectivity issues. The tool simulates several client logon and mail flow scenarios. When...
  • Blog Post: EWS: Exchange 2007 RTM vs. SP1 Specifying MeetingTimeZone's TimeZoneName when creating an Appointment

    Prior to Exchange 2007 SP1 an article was published with some specific guidance related to handling time zones in calendar item tasks.  Contrary to Best Practices for Using Exchange Web Services for Calendaring Tasks , specifying just a MeetingTimeZone TimeZoneName when creating a CalendarItem appears...
  • Blog Post: EWS: UID not always the same for orphaned instances of the same meeting.

    Earlier I linked to a post by Henning Krauses which discusses searching for a meeting using the UID and GlobalObjectId properties. The point of UID is to provide a unique identifier for a meeting across the calendars each attendee to the same meeting. Henning gave some expert advise for using GlobalObjectId...
  • Blog Post: OUTBOX: Setting ‘Don’t Crawl On Me’ via Outlook’s object model

    A while ago Steve posted information about how to turn of various types of “crawling” in Outlook via named properties that can be set on a store to tell Outlook whether or not it is okay to “crawl” the store in different scenarios.  There are cases where you might have tons of folders in a store...
  • Blog Post: FYI: DeleteItem behavior, Exchange 2010 SDKs, EWS performance and SyncFolderItems, and Named Property Mapping in Exchnage 2007+

    Fellow developer support engineer, Patrick Creehan , has any interesting post about the delta between the documentation of DeleteItem calls and the actual behavior involving including the ChangeKey in the ItemId of the item you want to delete.  In theory the ChangeKey would be required for DeleteItem...
  • Blog Post: FYI: Can’t use Exchange Impersonation with GetUserOofSettings, SetUserOofSettings, or GetUserAvailability

    I kept forgetting about this so maybe blogging it will help me remember.  As this thread confirms – you can’t call GetUserOofSettings, SetUserOofSettings, or GetUserAvailability when using Exchange Impersonation.  If you try to do this you’ll get an error that the Service Account is not the...
  • Blog Post: Exchange API Team Blog: Exchange Impersonation vs. Delegate Access…

    The Exchange API team has a new post to explaining the differences between using Exchange Impersonation vs. Delegate Access to access an Exchange mailbox using Exchange Web Services.  I’ve seen first hand that there is a gap in understanding the difference between the two and when to use one versus...
  • Blog Post: FYI: Issue with Windows 7 RC and VSTO…

    The VSTO team has a post which details an issue that you might see when trying to deploy a VSTO solution to Windows 7 RC.  The error message would be… “The required version of the .NET Framework is not installed on this computer” As the blog post points out, the appropriate teams are aware of the...
  • Blog Post: FYI: Exchange 2007 SP2 Announced…

    The Exchange team announced the upcoming service pack for Exchange 2007 recently.  The primary focus of this service pack is preparing Exchange 2007 for interoperability with Exchange 2010 but there are also fixes and changes to existing components and technologies that make this update worth installing...
  • Blog Post: FYI: In Outlook 2010 Exchange Client Extensions Are Gone…

    On the Outlook team blog it was announced recently that Exchange Client Extensions (ECEs) will not work with Outlook 2010. This shouldn’t come as a big surprise, they haven’t been a primary extensibility model for Outlook since Outlook 97-98 days. However, many Outlook developers have continued to maintain...
  • Blog Post: FYI: Unlike Exchange 2007, Exchange 2010 will *not* ship a 32-bit version

    The Exchange team announced that Exchange 2010 will not have a 32-bit version – not even for evaluations. The post focuses on mainly the non-developer related impact of this change. The key points for developers are: > Applications that automate Exchange cmdlets locally will need to be compiled...
  • Blog Post: FYI: The Exchange Web Services Managed API is here!

    As you might have seen, we announced last week that the Exchange Web Services Managed API is now available as a beta download .  I’ve been working with the API internally for about a year now and I must say, if you are writing .NET code that uses Exchange Web Services there’s no better way to do...
  • Blog Post: OOM.NET: Like a good standup comic – use scope and have good timing…

    Recently, I was helping someone with a Outlook item leak type issue involving a Task FormRegion.  The symptom was that after opening a task, closing it, and reopening the item they were getting the infamous error message, “COM object that has been separated from its underlying RCW cannot be used...
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