I'm getting this error while attempting to make my WCF client and server talk to each other.
The X.509 certificate CN=localhost chain building failed. The
certificate that was used has a trust chain that cannot be verified.
Replace the certificate or change the certificateValidationMode. A
certificate chain processed, but terminated in a root certificate
which is not trusted by the trust.
Everything works perfectly if I turn SSL certificates off.
Best Answer
I fixed the problem by turning off validation in my code like this:
Where
clientis an instance of my service reference.