--- title: "Register application with Microsoft Entra ID - AS2" slug: "register-application-with-azure-active-directory" tags: ["Task topic"] status: "update" updated: 2026-10-05T12:20:36Z published: 2026-10-05T12:20:36Z canonical: "docs.staedean.com/register-application-with-azure-active-directory" --- > ## Documentation Index > Fetch the complete documentation index at: https://docs.staedean.com/llms.txt > Use this file to discover all available pages before exploring further. # Register application with Microsoft Entra ID - AS2 Register an application in **Microsoft Entra ID** to manage the authentication and permissions for the AS2 web app. For more information, refer to [Register an application with the Microsoft identity platform](https://learn.microsoft.com/en-us/azure/active-directory/develop/quickstart-register-app#register-an-application). Add a client secret to the registered application. For more information, refer to [Add a client secret](https://learn.microsoft.com/en-us/azure/active-directory/develop/quickstart-register-app#add-a-client-secret). Later in the AS2 setup, you need these values of the registered app: - Application (client) ID - Directory (tenant) ID - Application ID URI - Client secret value