So turns out my test laptop just will not for some reason authenticate. Grabbed a brand new laptop, joined it via intune, it has the exact same Root, Intermediate, and it's own leaf certificates and it authenticated right away. When I check the logs the computer that is authenticating correctly shows it's username as what's in the subject common name field but the computer that's failing is showing it's username as what's in the SAN: DNS field and I'm currently trying to figure out why that's happening but you were right, it was a computer issue and nothing to do with the configs as far as I can tell.
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