Before you can use the web site to connect to D365 F&SCM, configure the IIS application.
Steps
On the on-premise server, start the Internet Information Services (IIS) Manager.
Browse the web site and fill in the application settings.
URI: Enter the web address of the D365 F&SCM environment, without trailing slash!
User name: Enter the user name that gives access to D365 F&SCM.
Password: Enter the password for the D365 F&SCM user.
Note
You cannot type the password directly in Web.config because the system only uses encrypted passwords.
Company: Enter the default company.
Language: Enter the default language.
Microsoft Entra ID source URI: Enter the web address of the D365 F&SCM environment, without trailing slash!
Microsoft Entra ID tenant: Enter the Microsoft Entra ID tenant like this: https://login.windows.net/[your tenant name]
Microsoft Entra ID client app: Enter the name of the native web application that you registered with Microsoft Entra ID.