We\'re running IIS on Windows 8.1 with Update. We\'re at the Orchard CMS first time setup screen, and IIS is giving 401s for all static content. We hav
I had a similar problem. Under authentication, I right clicked "Anonymous Authentication" and clicked "Edit". That shows a dialog giving you the ability to set the identity of the anonymous user. I set it to "Application pool identity" and that fixed the problem for me.
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This may not be the most secure configuration though, but I'm on a dev server so I don't care.