• Print
  • Share

Backend server error. Response Code:500, Message: Internal server

  • Updated on 18 Oct 2018
  • 1 minute to read
  • Contributors

The authentication schemes configured on the host ('Ntlm'), do not match those configured on the binding 'WebHttpBinding' (Negotiate).

If you get such an error:


There could be an issue with the providers for Windows Authentication for the BizTalk360 website in IIS. You can add “Negotiate”, then it might work:


Was this article helpful?