An unsecured or incorrectly secured fault was received from the other party. See the inner FaultException for the fault code and detail.

We were getting the above error while testing one of our WCF service. On syncing the clock of our client and server machine we were able to resolve the issue.

This helped us resolve the issue

http://social.msdn.microsoft.com/Forums/eu/wcf/thread/eccf2b09-6ea1-4663-9ddf-af29901ea60a

Bye.