lwhitelock

For the exchange auth token it needs to be that hard coded app ID as that is the ID for the MS App it uses to get the token with...

So that is a different error where the company doesn't have their default domain added to Hudu as a website. And its failed to login to that tenant with delegated...

For conditional access you need to make sure it only enforces Microsoft MFA and not anything else like Duo on the service account you used. Without that it doesn't get...