ADFS: How Are Things Still This Broken?



I’ve just completed my first ADFS 4.0 implementation and I’m quite astonished at just how many stupid, petty and easily resolved bugs it suffers from.

Case in point, if you change the service certificate it doesn’t change the https certificate bindings. This means that even though your ADFS server is using your new certificate for its communications, the web service is still using the old one. It’s not IIS any more so you have to manually recreate the bindings via netsh.

There also seems to be a bizzare issue that only affects IE whereby if your ADFS farm name DNS record is a CNAME rather than an A record, any authentication attempts will fail with a 400 BAD REQUEST error. This doesn’t affect other browsers because why would it, it’s a fucking mental thing to do.

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