If your organization utilizes a Parent / Child Domain model where the Exchange Servers reside in the parent domain and all of the User Accounts and Mailboxes are in the child domain, please follow the steps as outlined below.
Create the DSAdmin account within the CHILD domain by following the appropriate instructions in one of the links below:
Install and launch DigiScope® on a machine located within the CHILD domain.
In the Production pane, right-click and choose Add Production Source... .
From the wizard's opening page, choose one of the following options:
Select On-Premises Exchange Database(s).
Click Next >.
Fill in the Exchange Server and Domain you need to connect to.
For this step, you will need to use the domain where the Exchange server located, which is the PARENT domain in this scenario.
Select Find Exchange Database by Mailbox Name.
Enter the Domain where you want to search for mailboxes, and click Find.
For this step, you will need to use the domain where the users are located, which is the CHILD domain in this scenario.
From the results, select the mailbox that you are interested in.
Click Next >.
The available databases and mailboxes will appear in the source dialog.
Select the desired items and click Next.
The summary page will appear displaying the databases and mailboxes that will be added to the Production pane.