Our client needs to pre-authenticate with AD before common Sitecore built-in authentication (they don't need the AD users in Sitecore). We switched on "Log in with Azure Active Directory" at our CM App Service instance's
Authentication / Authorization setting. It works well at the begining - redirects to AD login screen and after successful AD login, redirects back to Sitecore login (
/sitecore/login). But after a successful Sitecore login, we get a strange redirect to
Please help, how is it possible to make it work?
Why "overrides" the AD authentication the Sitecore one?