Added custom domain and cert - GetCertificates_Orchestrator failed

[amigood]

I had the app up and running with the default domain. I wanted to set up a custom domain so I added one and tied it to a cert.

I updated the authentication by deleting the old identity provider along with the apps in Entra. Recreated the authentication and SSO now works with the custom domain.

However now when launching the site and logging in, I get the following error:

Orchestrator function 'GetCertificates_Orchestrator' failed: The activity function 'GetAllCertificates' failed: "Object reference not set to an instance of an object.". See the function execution logs for additional details.

[amigood]

Fixed it. Looks like the following application setting needed to be manually updated with the new app registration secret:

MICROSOFT_PROVIDER_AUTHENTICATION_SECRET