Do you have a pre-Exchange 2013 SP1 Hybrid or are you using free/busy federation? Update your Federation Trust on Sept 23!

If your organization has an Exchange Hybrid deployment that is not running on Exchange 2013 SP1 or later you may want pay attention. On September 23, 2014, Microsoft will be making a certificate change to the Microsoft Federation Gateway which could affect you. This change could also impact those who are sharing free/busy information between […]