I'm getting this when I try to sign up for academia.se:

enter image description here

  • Looks the same as meta.stackexchange.com/questions/148923/… ; my delegated OpenID isn't working either. Did they break logins completely? Oct 1, 2012 at 5:07
  • 1
    Yeah, looks like delegation is busted. Must be recent - I just used my own delegated OpenID a couple days ago. [Edit: if you use the new openid2.* links to delegate, things work just fine. If you use the old form, they don't work at all. ]
    – Shog9
    Oct 1, 2012 at 5:34
  • For those converting their delegation links, openid.server is now openid2.provider, and openid.delegate is now openid2.local_id Oct 1, 2012 at 6:02

1 Answer 1


We updated DotNetOpenAuth (the library we use for OpenId authentication) to version 4 recently. Something in that update broke OpenId 1 delegation (which Wordpress uses); OpenId 2 delegation continued to work (as Shog9 notes in a comment on your question).

We'll have to figure out whether this is a problem in DNOA or if we just screwed up something; for the time being, I have reverted the update. It should be back to working everywhere now.

  • Confirmed that it works now.
    – bobobobo
    Oct 1, 2012 at 14:19

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