Nice Perform services & PROXY

[Ramati]

some how the locate service is not working - where do I need to change / configure? it is proxy some thing...
thanks for your help

2008-09-21 15:55:28,453 [1964] ERROR; [ServiceHost.RegisterService] Failed to Initialize Service: LocateService
System.Net.WebException: The underlying connection was closed: Unable to connect to the remote server.

Server stack trace:
at System.Net.HttpWebRequest.CheckFinalStatus()
at System.Net.HttpWebRequest.EndGetRequestStream(IAsyncResult asyncResult)
at System.Net.HttpWebRequest.GetRequestStream()
at System.Runtime.Remoting.Channels.Http.HttpClientTransportSink.ProcessAndSend(IMessage msg, ITransportHeaders headers, Stream inputStream)
at System.Runtime.Remoting.Channels.Http.HttpClientTransportSink.ProcessMessage(IMessage msg, ITransportHeaders requestHeaders, Stream requestStream, ITransportHeaders& responseHeaders, Stream& responseStream)
at System.Runtime.Remoting.Channels.SoapClientFormatterSink.SyncProcessMessage(IMessage msg)

Exception rethrown at [0]:
at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg)
at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type)
at NiceApplications.SystemAdministrator.Common.IAdministrationInterfacesFactory.GetServerInterface(String interfaceName, LoginToken loginToken)
at NiceApplications.CommunicationLayer.ResolverBase.GetISystemConfigurationNoLoginFacade()
at NiceApplications.CommunicationLayer.ResolverBase.InitResolverParameters(Boolean isServerResolver)
at NiceApplications.CommunicationLayer.ResolverBase.InitServer(String remotingHostAndPort)
at NiceApplications.SystemFramework.ServiceHost.RegisterService(ResourceType serviceResourceType, Boolean ghttpRequested)