Review the Prerequisites and Considerations

Verify that the following prerequisites exist before performing a restore:

The Exchange Granular Restore utility is available at the following location:
The tool is installed with the Arcserve UDP Agent under the following directory:
X:\Program Files\Arcserve\Unified Data Protection\Engine\Exchange GRT
Note: The tool is installed with the Arcserve UDP Agent.

The Restore job is set to run from the Exchange machine or HBBU proxy machine.
Note: If you want to run the restore job on any other machine, search the recovery point from the backup destination.
The database name, Server name, path to database (.edb), and the log files of the user are identified to perform the restore job.
To identify, use the Exchange Management Console (EMC), Exchange Control Panel (ECP), or Exchange Management Shell.
For example:
Get-Mailbox -identity "username" | fl Database
Get-MailboxDatabase -identity "Databasename" | fl Name, Server, EdbFilePath,LogFolderPath

More information: