#Hosted #Exchange 2010 Future of /Hosting Mode

October 25, 2011

Future of /Hosting Mode

Microsoft announced that the /hosting mode option for deploying Exchange for multi-tenant hosting will not be carried forward into the next version of Exchange. Going forward (starting with Exchange 2010 SP2), hosters should use the on-premises configuration of Exchange to run a multi-tenant hosted Exchange infrastructure which will be fully supported by Microsoft and offers a wider set of features to be offered to end customers. In addition, integrating Lync into a hosted service portfolio will be more streamlined and much simpler

Read FAQ here:

Read more on Exchange Team Blog here: http://blogs.technet.com/b/exchange/archive/2011/10/13/future-of-hosting-mode.aspx

With the release of Exchange 2010 SP1, we introduced the /hosting mode switch – a feature which deploys Exchange using an Active Directory structure that affords complete separation between tenant organizations shared on the same underlying platform. /Hosting mode makes the need for a solution like Hosted Messaging and Collaboration largely redundant when hosting multi-tenant Exchange. /Hosting mode does not ship with any automation tools necessary for hosters to operate a service at scale, but it does address the requirements typical of a multi-tenant infrastructure (such as tenant organizations and service plans).

On one hand, /hosting mode solves many challenges inherent to offering this type of service. On the other hand, /hosting mode offers a reduced feature set as compared to the typical on-premises configuration. In the time since we released SP1 and /hosting mode, we have heard from customers and partners alike that many of these features are a fundamental requirement for doing business, and so to this end I announced that hosters would be supported when using the on-premises configuration from SP2 onwards (assuming their configuration meets certain design requirements). In addition, we also provided perspective on which is the right approach for hosters to take.

The purpose of this blog post is to explain the next step in the evolution of our thinking regarding /hosting mode……more

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