Glen's Exchange and Office 365 Dev Blog

Previously I posted an example on Mining the Client information on Sent Messages in EWS to report on what client is being used in this post . For Calendar appointments there is a simular but different property that gets set when you either create or update a Appointment eg (This property is set by the Exchange Store based on what client is being used)  I've put together a script that aggregates this property and produces a summary report like Its also produces an export report of all the appointments that looks like the following so you can see at the appointment level what client is being used. I've put this script up on GitHub here https://github.com/gscales/Powershell-Scripts/blob/master/ShowCalendarClients.ps1

One of the more common questions on EWS I get is around how to create a folder so this post will cover the basics you need to know around creating folders using EWS in Mailboxes or Public Folders. What you need to create a Folder To create a folder you first need a unique name for the new folder eg if you going to create a folder called "SubFolder1" under the Inbox another folder with the name Subfolder1 can't already exists as a SubFolder of the Inbox (anywhere else in the Mailbox is okay) if it does you will get an error.  So when writing a script to create a folder its first good to includes a search to see if the folder already exists. eg #Define Folder Veiw Really only want to return one object $fvFolderView = new-object Microsoft.Exchange.WebServices.Data.FolderView(1) #Define a Search folder that is going to do a search based on the DisplayName of the folder $SfSearchFilter = new-object Microsoft.Exchange.WebServices.Data.SearchFilter+IsEqu