Requirements
To create and test a single-tenant application that uses server-to-server authentication you will need:
An Azure AD tenant to use when registering the provided sample application.
A Dataverse subscription that is associated with the Azure AD tenant.
Administrator privileges in the Azure AD tenant and Dataverse environment.
Azure application registration
To create an application registration in Azure AD, follow these steps.
Navigate to https://admin.microsoft.com and sign in, or from your Dataverse environment web page, and select the application launcher in the top left corner.
Choose Admin > Admin centers > Azure Active Directory
From the left panel, choose Azure Active Directory > App registrations (Preview)
Choose + New registration
In the Register an application form provide a name for your app, select Accounts in this organizational directory only, and choose Register. A redirect URI is not needed for this walkthrough and the provided sample code
6. Navigate to https://admin.microsoft.com and sign in, or from your Dataverse environment web page, and select the application launcher in the top left corner.