Yassin,

>I am having problem accessing the service when the client is on a remote location and when accessed from a computer which is not part of the WCF host domain.
>
>Do you know of any settings that I need to set on either the host or client config file so WSHTTP doesn't do use authentication

I don't know off the top of my head, but an excellent resource on WCF is Juval Lowy' book WCF Services.

Best Regards,