Office 365 Unified Messaging with Lync 2013 On Premise

Update – 30/04/2018 – Minor changes UPDATE – 13/01/16 – Further updates and some tasks removed. Also note this does not contain any information for configuring Cloud PBX using UM in O365. UPDATE – 10/06/15 I have also tested this configuration with Skype for Business and Exchange 2013 SP1 RU5 Hybrid with the current Office … More Office 365 Unified Messaging with Lync 2013 On Premise