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Exchange 2010 Supported for Multi-Forest Hybrid

Microsoft presented great Ignite event in Sept 2016. Let me clear the misunderstanding which came from Ignite 2016.


Microsoft Team updated the following TechNet link on 07/28/2016 saying that they have improved Hybrid which will support multi-forest Exchange 2010 Hybrid.

Exchange 2010, Exchange 2013 and later hybrid deployments are supported for organizations with multiple on-premises Active Directory forests and a single Office 365 tenant. For hybrid deployment features and considerations, multi-forest organizations are defined as organizations having Exchange servers deployed in multiple Active Directory forests. Organizations that utilize a resource forest for user accounts, but maintain all Exchange servers in a single forest, aren’t classified as multi-forest in hybrid deployment scenarios. These types of organizations should consider themselves a single forest organization when planning and configuring a hybrid deployment.

During the Ignite Event Microsoft Product Group Timothy Heeney and MVP Nicolas Blank represented the below session and explained that Exchange 2010 will not support Multi-Forest Hybrid.

From the slide

Today, I have done the same mistake during the collabe365 and one of my friend from Microsoft UK had corrected me that Exchange 2010 now supports multi-forest Hybrid. I am sorry for the confusion caused by my session.

After this, I wrote to Timothy and Nicolas. Timothy has confirmed that it was a Human Error during the Ignite event. The corrected word is Exchange 2010 multi-forest Hybrid is supported.

The following workflow should be replaced with the above-mentioned workflow.

This TechNet link should be considered the correct link.

Multi-Forest Exchange Hybrid Session Recording is available here. –


Prabhat Nigam

Microsoft MVP | CTO @ Golden Five


2 Responses to “Exchange 2010 Supported for Multi-Forest Hybrid”

  1. Multi-forest and Multi-tenant scenarios with Office 365 – Learn Messaging Says:

    […] […]

  2. Collab365 Global Conference: Securing your Infrastructure with Azure Multi-Factor Auth « Says:

    […] topic which is about securing customer infrastructure using Azure Multi-factor Authentication. Last year we pointed Multi-Forest Hybrid slide of Microsoft Ignite 2016 was wrong and this year ful…. Nothing to worry,  I am covering this topic in this conference. I’d love you to watch my […]

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