Hybrid Modern Authentication (HMA) is now available for Exchange On-Premises and Skype for Business

Hybrid Modern Authentication (HMA) is now available for Exchange On-Premises and Skype for Business. Hybrid Modern Authentication provides users ability to access On-premises applications using Auth tokens obtain from the cloud (Azure AD). HMA allows to leverage Azure AD capabilities like MFA, Conditional Access across both On premises and Cloud seamlessly.

You can read this blog post to know how HMA works: Deep Dive: How Hybrid Authentication Really Works

Below are the Official Posts on the HMA availability for Exchange On premises and Skype for Business.

Exchange On-Premises

Read here: Announcing Hybrid Modern Authentication for Exchange On-Premises

Skype for Business

Read here: Hybrid Modern Authentication for Skype for Business   

Following are the updates required for HMA to get enabled for Exchange On-premises and Skype for Business.

• Skype for Business Server (SfB) 2015 May 2017 cumulative update supports Hybrid Modern Authentication (HMA).

• Hybrid Modern Authentication (HMA) is available with next set of Cumulative updates for Exchange 2013 and 2016 that's CU8 for Exchange Server 2016, and CU19 for Exchange Server 2013.

Read the support article provides the complete set of prerequisites here: Hybrid Modern Authentication overview and prerequisites for using it with on-premises Skype for Business and Exchange servers

Stay tuned for more updates...