The HTTP request is unauthorized with client authentication scheme 'Negotiate'. The authentication header received from the server was 'NTLM'

Question

Few days ago I had quite a headache with authentication problems when using Windows authentication between client and wcf web service. The error I was getti

Answer 1

I have upgraded my older version of WCF to WCF 4 with below changes, hope you can also make the similar changes.

1. Web.config:

2. App.config: