These settings are relevant for deployment to Intune. You should configure them first before accessing Intune-related functionality for the first time.
The following checklists shows necessary prerequisites and actions that must be configured or provided by your Azure AD administrator:
•Registered application (app registration) in Azure AD
•The app must have required permissions for device management
•Admin consent should be granted
The Client id is identical to the Application ID (client) and must match the value given in the app registration of the Azure AD. The Secret is identical to the Secret ID and must also match the value given in the app registration of the Azure AD. The Tenant domain must match your tenant domain.