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I get the following error on the event viewer when trying to log on a Sharepoint website with forms-based authentication (FBA):

The http request is unauthorized with client authentication scheme 'negotiate'. The authentication header received from the server was ''.

Details

  • You configured the web.config of the application web? See this article. – Diego Hillesheim Jan 12 '15 at 19:06
  • Yes, I have configured the web.config of Application, Central Admin and Security Token Service, following precisely that tutorial. I'll add this information to the question. – João Tiago Santos Jan 13 '15 at 10:03
  • Check the ULS logs for any additional errors? Also, see this post? link – David Lozzi Jan 13 '15 at 12:01
  • you shouldn't have to change anything through IIS. Web.config changes and further configuration straight from the central administration should be enough. – Choggo Jan 13 '15 at 12:13

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