Enterprise Websites Cloud Graph Connector - Unable to Set up Entra ID Authenticated ASP.Net MVC Core Azure Web App

Hello Everyone,

We have been trying to set up Enterprise Website Cloud Graph Connector on Entra ID Authenticated ASP.Net MVC Core Azure Web App. We have Azure Web App Deployed on the same tenant. We have followed the steps provided in https://learn.microsoft.com/en-us/microsoftsearch/enterprise-web-connector, however couldn't set up the authentication type of OAuth2.0 Client Credentials. We are getting Forbidden to fecth the page.

We don't have any Web APIs as part of the Web App. It's plain ASP.Net Core MVC App which returns HTML in the view. The Steps regarding setting up the App registration aren't that clear in the article, there could be possibility of we are missing something on App registration steps. However, the MVC Web App is accessible to the users as expected. It's just when trying to set up the Graph Connector, its failing.