Maintaining your Exchange Servers with the latest updates is a best practice, for support, security, and stability reasons.
Testing Connectivity and DNS Changes with a Hosts File
How to use hosts files on client computers for Exchange Server testing and troubleshooting scenarios.
What Needs Backing Up for Exchange Server 2010?
To plan your Exchange Server 2010 backup strategy you should first understand where Exchange stores its configuration information and data. Let’s take a look at each of the locations in which you will find Exchange Server information and data.