Note: Default settings changed 1 augustus 2017 for NEW tenants. Skype for Business Online - ON by default. Here is the per service state of modern authenticationĬ. Modern authentication features are gated by a two-part switch :ġ) Service : The Office 365 tenant/resource host (Exchange Online, SharePoint Online and Skype for Business Online) will need to be configured to accept a modern authentication connection. This article explains how Office 2013 and Office 2016 clients use modern authentication features based on the authentication configuration on the Office 365 tenant (Exchange Online, SharePoint Online and Skype for Business Online).