Source Error: An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below. Stack Trace: [ArgumentException: This collection already contains an address with scheme http. There can be at most one address per scheme in this collection. Parameter name: item] System.ServiceModel.UriSchemeKeyedCollection.InsertItem(Int32 index, Uri item) +4564833 System.Collections.Generic.SynchronizedCollection`1.Add(T item) +56 System.ServiceModel.UriSchemeKeyedCollection..ctor(Uri[] addresses) +120 System.ServiceModel.ServiceHost..ctor(Type serviceType, Uri[] baseAddresses) +145 System.ServiceModel.Activation.ServiceHostFactory.CreateServiceHost(Type serviceType, Uri[] baseAddresses) +28 System.ServiceModel.Activation.ServiceHostFactory.CreateServiceHost(String constructorString, Uri[] baseAddresses) +323 System.ServiceModel.HostingManager.CreateService(String normalizedVirtualPath) +516 System.ServiceModel.HostingManager.ActivateService(String normalizedVirtualPath) +31 System.ServiceModel.HostingManager.EnsureServiceAvailable(String normalizedVirtualPath) +498 [ServiceActivationException: The service '/Tracker/Tracker.svc' cannot be activated due to an exception during compilation. The exception message is: This collection already contains an address with scheme http. There can be at most one address per scheme in this collection. Parameter name: item.] System.ServiceModel.AsyncResult.End(IAsyncResult result) +4413209 System.ServiceModel.Activation.HostedHttpRequestAsyncResult.End(IAsyncResult result) +183 System.ServiceModel.Activation.HostedHttpRequestAsyncResult.ExecuteSynchronous(HttpApplication context, Boolean flowContext) +205 System.ServiceModel.Activation.HttpModule.ProcessRequest(Object sender, EventArgs e) +322 System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +92 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +64I am so not an IIS guy and could really use some direction on sorting out this error.