Microsoft has invested millions of dollars into Azure and Office 365, and their competitors are following suit with bona fide public cloud offerings of their own. But public cloud solutions are not for everyone. Organizations of many stripes have legitimate reasons for not wanting their restricted data on systems beyond their total control.For many of these entities, on-premises Exchange Server is a messaging must. Microsoft continues to update the software with the assurance that any improvements made to its cloud-based stack will eventually trickle down. Increasingly, these features are adding layers of complexity to the already daunting task of running an enterprise-grade messaging system. It's easy to get lost when going through hardware capacity planning, setting up DAGs (database availability groups) and site resiliency, configuring mail routing, and making sure your users can actually connect to the system.To read this article in full or to leave a comment, please click here