Defining backup objectives
Although backup operations have always been something that come naturally in many environments, it's not uncommon to get asked if taking Exchange backups is still necessary. After all, Exchange Server 2013 has built-in features that allow for multiple database copies replicated over different locations, which might give you the impression: taking backups is not really needed anymore. Although that idea certainly makes sense, database copies are not able to provide an historical point-in-time backup.
How to do it…
In short, your backup strategy should be based on your Service Level Agreements (SLAs). So the first step should be to find out or determine what the service levels are.
Traditionally, SLAs for backups are determined by the following objectives:
RTO (Recovery Time Objective): This refers to the amount of time within which a service must be restored. This doesn't only contain the time it takes to restore the backup from its media, but also the time required...