DS-User F1 Help for GUI (Context-Sensitive) : Select database restore location screen (Exchange Item-Level)
 
Select database restore location screen (Exchange Item-Level)
Use this screen to select the target Microsoft Exchange server where you will restore the items.
 
Mailbox Server
Original Location:
[Default] Restores files to the original location from which they were backed up (i.e. the selected backup set’s source Microsoft Exchange server).
Alternate Location:
Click this radio button to specify an alternate Microsoft Exchange Mailbox Server. Click [>>] to select an alternate server.
Client Access Server
Client Access Server and Mailbox Server are the same:
If the Mailbox Server also has the Client Access Server role and the DS-Recovery Tools is installed on it, you can select this option.
If the Client Access Server is on a different machine, specify that machine here.
DS-Recovery Tools
DS-Recovery Tools and Client Access Server are the same:
This is selected by default. The DS-Recovery Tools (separate installation required) must be running on the same machine as the Exchange Client Access Server you are using to access the Microsoft Exchange mailbox server.