Sign in to the Azure Management Portal using your Office 365 Developer Site credentials. Click Active Directory on the left menu, then click on the Directory for your Office 365 developer site. On the top menu, click Applications. Click Add from the bottom menu. Click Add an application my organization is developing. Specify the application name and select WEB APPLICATION AND/OR WEB API for Type . Click the arrow icon on the bottom-right corner of the page. Specify a Sign-on URL and APP ID URI (E.g https://localhost:9443/commonauth) . The App ID URI is a unique identifier for Azure AD to identify your app. It must be a unique value in your organization’s Azure AD . (For example, if your organization’s Mail ID is like " testUser@viveXYZ.onmicrosoft.com ", then App ID URI be like https://viveXYZ.onmicrosoft.com/myNewApp ). Click the checkbox in th...