O'Reilly logo

Microsoft Exchange Server 2013 High Availability by Nuno Mota

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

Improving on transport high availability

Now that we understand how the transport pipeline works in Exchange 2013 and how e-mails are routed, let us look at how high availability is achieved to ensure no e-mails are lost while in transit. This is done by keeping redundant copies of e-mails both before and after they are successfully delivered. Transport dumpster was introduced in Exchange 2007, and shadow redundancy in Exchange 2010. Exchange 2013 took these two features a step further.

As a brief summary, the following are the main improvements in transport high availability:

  • Shadow redundancy generates a redundant copy of an e-mail on a different server before it is accepted. If shadow redundancy is not supported by the sending server, this ...

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