Login.microsoftonline.com Has Been Blocked By Cors Policy

Login.microsoftonline.com Has Been Blocked By Cors Policy. You might need to make sure the request origin url has been added here. This redirection causes the ajax request to become a cors request since the destination domain changes and azure ad by default does not allow cross origin request.

blocked by CORS policy 10197 Zero Support
blocked by CORS policy 10197 Zero Support from support.aspnetzero.com

When this cookie is not present in the request, azure app service will redirect the request to azure ad for login. This process involves a request to login.windows.net which redirects my browser to login.microsoftonline.com(which does the authentication). Please pay attention to the response header:

blocked by CORS policy 10197 Zero Support

This process involves a request to login.windows.net which redirects my browser to login.microsoftonline.com(which does the authentication). Here is a screenshot of the network tab: An example of valid cors workflow: [ ] regression (a behavior that used to work and stopped working in a new release) [ *] bug report [ ] performance issue [ ] feature request [ ].