Manage domain option allows you to perform the following tasks
Add a new Google Apps domain (new primary or secondary domain) for backup
Delete existing domains
Modify the backup domain settings
Sync domain users to backup
Manage Domains page displays the existing domain names as shown in the figure below.
Go to “Settings —-> Manage Domains —-> “Add Domain” button to add a new Google Apps domain.
Please follow the steps below to add new Google Apps domain to backup.
Step 1: Check the domain type, which can be either “Primary” or “Secondary” (Note: If you want to backup secondary domain, please check the “Secondary” option).
Step 2: Enter your primary domain Name.
Step 3: Enter the “Primary domain Admin email address”
How to enable API
Click on “How to enable API” link and a pop up window appears as shown below.
Click on the link given in the first step and you will be redirected to “Admin Panel” page.
Click on “API reference”, check “Enable API access” option and thus API is now enabled.
“Dashboard” button will take you to the summary page of the backed up domains.
The domain level dashboard page appears as shown below.
You can sync the newly added domain users to backup using the “Sync” option.
Click on “Sync”, you can view the options to sync namely: