On the App registrations screen click New registration.
Enter the JetStream DR MSA name as the display Name for your application. The display name will be used later to assign the application a role for the Azure Storage Account.
Specify who can use the application.
Select Accounts in this organizational directory only.
Click Register to complete the initial app registration.
When registration finishes, the Azure portal displays the app registration's Overview pane.
Record the Application (client) ID. This uniquely identifies the JetStream DR application, and the information will be used later to configure JetStream DR.