Certificate-Based Authentication (CBA) for Exchange Online

Update 6/6/2017: We updated this post to reflect availability for China plans. On-premises Exchange environments support the ability for certain mobile apps to utilize certificate-based authentication (CBA). Today, we are pleased to announce that CBA is available for customers using Office 365 Enterprise, Business, Education, Government, and China plans. This does not include Office 365…


Modern Attachments for Exchange 2016 Hybrid Customers

There is a new option that has been made available for our Office 365 customers that allows you to take advantage of integrating the OneDrive for Business attachment experience directly from your OWA and Outlook 2016 clients. The main point of this feature is to allow you to insert a link and properly permission a…


Client Connectivity in an Exchange 2016 Coexistence Environment with Mixed Exchange Versions

Our goal with this article is to articulate the various connectivity scenarios you may encounter in your Exchange 2016 designs. To that end, this article will begin with a walk through of a deployment that consists of Exchange 2013 and Exchange 2010 in a multi-site architecture and show how the connectivity changes with the introduction…

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Client Connectivity in an Exchange 2016 Coexistence Environment with Exchange 2013

Our goal with this article is to articulate the various connectivity scenarios you may encounter in your Exchange 2016 designs. To that end, this article will begin with a walk through of a deployment that consists of Exchange 2013 in a multi-site architecture and show how the connectivity changes with the introduction of Exchange 2016….

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Client Connectivity in an Exchange 2016 Coexistence Environment with Exchange 2010

Our goal with this article is to articulate the various client connectivity scenarios you may encounter in your Exchange 2016 designs. To that end, this article will begin with a walk through of a deployment that consists of Exchange 2010 in a multi-site architecture and show how the connectivity changes with the introduction of Exchange…

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Exchange Server Role Requirements Calculator Update

v7.8 of the calculator introduces support for Exchange 2016! Yes, that’s right, you don’t need a separate calculator, v7.8 and later supports Exchange 2013 or Exchange 2016 deployments. Moving forward, the calculator is branded as the Exchange Server Role Requirements Calculator. When you open the calculator you will find a new drop-down option in the…

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The Exchange 2016 Preferred Architecture

The Preferred Architecture (PA) is the Exchange Engineering Team’s best practice recommendation for what we believe is the optimum deployment architecture for Exchange 2016, and one that is very similar to what we deploy in Office 365. While Exchange 2016 offers a wide variety of architectural choices for on-premises deployments, the architecture discussed below is…

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Load Balancing in Exchange 2016

Like Exchange 2013, Exchange 2016 does not require session affinity at the load balancing layer. To understand this statement better, and see how this impacts your designs, we need to look at how MBX2016 functions. From a protocol perspective, the following will happen: A client resolves the namespace to a load balanced virtual IP address….

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Namespace Planning in Exchange 2016

If you are like the vast majority of our customers, you already have some version(s) of Exchange deployed in your environment. Depending on the version, you may have different namespace requirements today. Exchange 2010 Exchange 2010 leverages the Autodiscover service for enabling client profile changes, so that namespace exists. Exchange 2010 introduced additional namespace requirements,…

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Deep Sixing PST Files

A little over two years ago we wrote about removing PSTs from your organization and gave you a tool to assist you with that endeavor. .PST, Time to Walk the Plank. Since then, we’ve updated the tool with some new features and functionality. In this blog, we are going to give you: More reasons to…