For E2K7, 2 ways
a. Create a new mailbox with the same mailboxIdentify as the purged mailbox, then run Restore-mailbox cmdldt
c:ps> Restore-Mailbox -Identity Scott -RSGDatabase MyRSGDatabase
b. Recover data from John’s mailbox to the folder name "Recovery" in new mailbox of Scott.
c:ps> Restore-Mailbox -Identity Scott -RSGDatabase MyRSGDatabase -RSGMailbox John -TargetFolder Recovery
Question: what is the mailboxIdentify ? looks it is the mailbox’s DisplayName or alise name
Recovery of mailbox after user account was deleted