If you plan to expose your WCF Services via HTTP requests instead of SOAP messages, you will need to use WebHttpBinding to configure your endpoints. When you use do this and host your services in IIS 7.0, you might get the following error:
IIS Specified authentication schemes 'IntegratedWindowsAuthentication,Anonymous'
but the binding only supports specification of exactly one authentication scheme. Valid authentication schemes are Digest, Negotiate, NTLM, Basic, or Anonymous. Change the IIS settings so that only a single authentication scheme is used.
This happens if your services are inside a web application that is configured to use Anonymous as well as Integrated Windows Authentication in IIS. To get around this issue, assuming all your services are in one folder under your application root, select that folder and in the Authentication options,uncheck one of the Authentication options depending on your need. This should fix the problem.
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