EMEA Developer Support for Messaging Team Blog

Messaging Developer code samples and documentation

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  • Blog Post: EWS: Performance issues when accessing multiple mailboxes?

    We've had a few cases come through over the past few months regarding slow performance against Office Online from an EWS service application. Several of them have come down to a very simple .Net setting that isn't necessarily obvious. In fact, I first hit the issue myself when creating a streaming notification...
  • Blog Post: EWS: Hide a named folder in multiple mailboxes

    Recently we've had a couple of requests that involved deleting or hiding mailbox folders that are created automatically either by Outlook or Lync. Deleting such folders is usually both not supported and also not possible - they will most likely be marked as distinguished folders, which means that they...
  • Blog Post: Exchange Transport Agent: Working with Named Properties in Transport Agents

    An Exchange Transport Agent allows you to either add new name properties, change the value or remove existing properties. If you choose to log data in a log file or write events to the event log, you should be aware of the fact that the Exchange Transport service runs under the Network Service account...
  • Blog Post: Transport agents and VB.Net

    There is a sample on MSDN that shows how to write and install custom transport agent (it can be found here: http://msdn.microsoft.com/en-us/library/aa579185%28v=exchg.140%29.aspx ). The agent itself is very simple, but it has been pointed out that if you use the VB.Net sample code, then the installation...
  • Blog Post: PowerShell: Script to import calendar items into Exchange mailbox from CSV file

    A recent case brought up the question of whether it is possible to import calendar items into a mailbox from a text file using PowerShell. While there aren't any cmdlets built-in that support this, it is certainly possible to implement this using PowerShell and the EWS Managed API. Sample script is attached...
  • Blog Post: EWS Application: Disable OWA 2010 Conversation View

    Exchange 2010 OWA Folder View Settings are stored in a MAPI property and are customizable per folder. Conversation View is enabled by default in OWA 2010 and even if you disable it on the existing folders, new folders you create will always have Conversation View enabled. The property that stores...
  • Blog Post: Enable-Mailbox against Exchange 2010 from a web application

    A question that seems to keep popping up is how to run the Enable-Mailbox cmdlet from a web-application. I have had a couple of cases on this recently, so here are the details on how to achieve this for Exchange 2010. I do also have an example web application that works against Exchange 2007, which I...
  • Blog Post: EWS Push Notification Example Application

    Note : I have written another sample application which does not use WCF (and also shows how to integrate easily with the EWS Managed API). This sample is available here: http://blogs.msdn.com/b/emeamsgdev/archive/2012/12/20/ews-push-notification-sample.aspx I had a case where a customer was having...
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