IFS 10 Update 12

I am trying to use IFS Rest API’s.  I managed to get everything working using compatibility mode.  I want to look at using oData.  I am trying to authenticate and consume using an excel OData feed.  When I try and use this I get the following issue:

I have tried using the /main/ and /int/ but get the same issue.  Has anybody resolved this?  My SSO provider is Azure AD.  If I try the “Organizational Account” option I get this:

Maybe creating this in Azure as a resource would solve the issue?  Has anybody else got this far?

Thanks