Step 3a. Select Azure Active Directory

In the Source section of the Sources step of the wizard, choose an Azure Active Directory where SQL Servers and databases that you plan to back up reside.

1. Click Select Azure Active Directory.
2. In the Choose an Azure account from the available list window, select the necessary directory from the Azure Active Directory list.

For an Azure Active Directory to be displayed in the list of available directories, it must be created in the Microsoft Azure portal as described in Microsoft Docs.

3. Click Apply.