1. Disable WCF certificate validation
<endpointBehaviors>
<behavior name="clientBehavior">
<clientCredentials>
<serviceCertificate>
<authentication certificateValidationMode="None"/>
</serviceCertificate>
</clientCredentials>
</behavior>
</endpointBehaviors>
2. Disable Http certificate validation
ServicePointManager.ServerCertificateValidationCallback =
new RemoteCertificateValidationCallback(delegate { return true; });
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