The communication object, System.ServiceModel.ChannelFactory`一[SBBasis.IBasisWCF

The communication object, System.ServiceModel.ChannelFactory`1[SBBasis.IBasisWCF
The communication object, System.ServiceModel.ChannelFactory`1[SBBasis.IBasisWCF], cannot be used for communication because it is in the Faulted stat
客户端口是动态调用的

EndpointAddress address = new EndpointAddress(pUrl);
            Binding bindinginstance = null;
            BasicHttpBinding ws = new BasicHttpBinding();
            ws.MaxReceivedMessageSize = 20971520;
            //ws.MaxBufferPoolSize = 99999999999;
            //ws.MaxBufferSize = 999999999;
            ws.Security.Mode = BasicHttpSecurityMode.None;
            bindinginstance = ws;
            using (ChannelFactory<T> channel = new ChannelFactory<T>(bindinginstance, address))
            {
                T instance = channel.CreateChannel();
                using (instance as IDisposable)
                {
                    try
                    {
                        Type type = typeof(T);
                        MethodInfo mi = type.GetMethod(pMethodName);//反射
                        return mi.Invoke(instance, pParams);
                    }
                    catch (TimeoutException)
                    {
                        (instance as ICommunicationObject).Abort();
                        throw;
                    }
                    catch (CommunicationException)
                    {
                        (instance as ICommunicationObject).Abort();
                        throw;
                    }
                    catch (Exception )
                    {
                        (instance as ICommunicationObject).Abort();
                        throw;
                    }
                }
            }

在window server 08没有题，在window server 2003上就报这个错了，本机调试也没有问题，对wcf安全机制不熟，苦恼了好些天。请高人帮助，谢谢！
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表示发生了未知的异常，把你抛出错误的地方不要直接throw出来，而要使用
throw new FaultException<T>() 来抛出错误，你再看错误消息是什么就行了，window server 08是忽略了这个错误，让服务继续运行，window server 2003如果这个错误未知也未处理的话，会导致服务不可用。
------解决思路----------------------
.net 3.5装了没？