O'Reilly logo

Microsoft Exchange Server PowerShell Essentials by Biswanath Banerjee

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Chapter 8. Managing High Availability

The concept of Database Availability Group (DAG) was introduced in Exchange 2010, and it has gone through some key improvements in Exchange 2013 and some architectural changes in Exchange 2016. DAG provides the infrastructure to protect the content of your mailbox databases by making copies on other Mailbox servers in your organization, and hence, providing high availability and site resilience.

There is a difference between High Availability and Site Resilience, which is important to understand. We say a messaging system is highly available if all the components are working in a way that if one component fails, the service and the data fails over to one of the working servers automatically. Typically, high ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required