How to use Data Protector 6.0 or 6.10 with Exchange Recovery Storage Groups to restore a single mailbox

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Introduction
Being able to backup and restore Exchange individual mailboxes is a high priority in many environments.
Data Protector provides this functionality in the “Single Mailbox Backup/Restore” feature.
The Single Mailbox Backup/Restore feature uses the Microsoft MAPI protocol, which has limitations
regarding performance. For best performance, you need either to select a relatively small number of
mailboxes to be backed up, or use the feature in smaller Exchange environments.
For many customers, the ability to be able to recover every mailbox individually is a high priority.
Performance limitations of Single Mailbox Backup/Restore in large environments present significant
challenges to backup administrators.
However, beginning with Exchange 2003, Microsoft introduced the “Recovery Storage Group” feature.
This enables you to recover individual mailboxes without sacrificing backup performance speeds. This
paper describes how to use this feature.
This document has been written to encompass Data Protector 6.0, 6.10 and Exchange 2003, 2007.