ValidateCredentials returns true for unknown user?

Question

I\'m seeing some odd behaviour here using PrincipalContext.ValidateCredentials. The set-up is two Active Directory domains in parent/child setup (so we have pri

Answer 1

I have used ContextOptions.SimpleBind flag with ValidateCredentials it solved my problem..

Sample code:

    using (var context = new PrincipalContext(ContextType.Domain, "DOMAIN", null))
    {
        bool loginResult = context.ValidateCredentials(username, password, ContextOptions.SimpleBind); // returns false for unknown user
    }