[***Ingo Gegenwarth has published an better version of this script that handles the changes made recently to ActiveSync on Exchange Online see https://ingogegenwarth.wordpress.com/2018/01/03/eas-folder-mapping/ ] I came across an interesting Blog post this week from Jim Martin http://blogs.technet.com/b/tips_from_the_inside/archive/2013/06/17/activesync-mapping-a-collection-id-to-a-mailbox-folder.aspx which explains how the ActiveSync Folders located under the device folder in ExchangeSyncData folder tree map back to the real Mailbox folder that is being synchronized or accessed via ActiveSync. This information is pretty useful for a number of things so I thought it would be useful to put a script together to automate and create a report of these folder mapping using EWS and Powershell. How it works is the ExchangeSyncData is located in the NON_IPM_Subtree of a mailbox so a few FindFolder calls are needed to find this folder and then get all the Folders associated wi...
Pushing the Envelope in Messaging and Office 365 Development