Categories
2007 2010 2013 exchange exchange online Exchange Server federation Free/Busy

Exchange Server and Missing Root Certificates

I came across an issue with a clients Exchange Server deployment today that is not well documented – or rather it is, but you need to know where to look. So I thought I would document the troubleshooting steps and the fix here. We specifically came across this error when testing Free/Busy for an Office […]

Categories
2010 2013 EWS exchange exchange online Free/Busy OAuth Office 365

Exchange Online Free/Busy Issues with OAuth Authentication

Update: 10 Dec 2014: It is reported that this issue is fixed in CU7 for Exchange Server 2013 OAuth authentication is a new server to server authentication model available in Exchange 2013 SP1 and later and Exchange Online (Office 365). With OAuth enabled and Exchange hybrid in place and where you have multiple endpoints of […]