System.ServiceModel.CommunicationException：'服务端点未能侦听 URI 'xxx'，因为访问被拒绝答案

【问题标题】：System.ServiceModel.CommunicationException: 'The service endpoint failed to listen on the URI 'xxx' because access was deniedSystem.ServiceModel.CommunicationException：'服务端点未能侦听 URI 'xxx'，因为访问被拒绝
【发布时间】：2020-12-09 14:21:38
【问题描述】：

我有一个单元测试可以在某些计算机上运行而在其他计算机上失败。它确实启动了我们的一个组件，该组件具有自托管的 WCF 服务。

当它尝试启动时，我得到了这个异常：

System.ServiceModel.CommunicationException: 'The service endpoint failed to listen on the URI 'net.tcp://0.0.0.0:55000/VF1/IAccessRightsService' because access was denied.  Verify that the current user is granted access in the appropriate allowAccounts section of SMSvcHost.exe.config.'

   at System.ServiceModel.Channels.SharedConnectionListener.SharedListenerProxy.ReadEndpoint(String sharedMemoryName, String& listenerEndpoint)
   at System.ServiceModel.Channels.SharedConnectionListener.SharedListenerProxy.HandleServiceStart(Boolean isReconnecting)
   at System.ServiceModel.Channels.SharedConnectionListener.SharedListenerProxy.Open(Boolean isReconnecting)
   at System.ServiceModel.Channels.SharedConnectionListener.StartListen(Boolean isReconnecting)
   at System.ServiceModel.Channels.SharedTcpTransportManager.OnOpenInternal(Int32 queueId, Guid token)
   at System.ServiceModel.Channels.SharedTcpTransportManager.OnOpen()
   at System.ServiceModel.Channels.TransportManager.Open(TransportChannelListener channelListener)
   at System.ServiceModel.Channels.TransportManagerContainer.Open(SelectTransportManagersCallback selectTransportManagerCallback)
   at System.ServiceModel.Channels.TransportChannelListener.OnOpen(TimeSpan timeout)
   at System.ServiceModel.Channels.ConnectionOrientedTransportChannelListener.OnOpen(TimeSpan timeout)
   at System.ServiceModel.Channels.TcpChannelListener`2.OnOpen(TimeSpan timeout)
   at System.ServiceModel.Channels.CommunicationObject.Open(TimeSpan timeout)
   at System.ServiceModel.Channels.ReliableChannelListenerBase`1.OnOpen(TimeSpan timeout)
   at System.ServiceModel.Channels.CommunicationObject.Open(TimeSpan timeout)
   at System.ServiceModel.Dispatcher.ChannelDispatcher.OnOpen(TimeSpan timeout)
   at System.ServiceModel.Channels.CommunicationObject.Open(TimeSpan timeout)
   at System.ServiceModel.ServiceHostBase.OnOpen(TimeSpan timeout)
   at System.ServiceModel.Channels.CommunicationObject.Open(TimeSpan timeout)

我见过一些类似的问题：WCF error with net.tcp "The service endpoint failed to listen on the URI because access was denied

但就我而言，一切都是在代码中配置的，我找不到任何方法来设置那些“通过代码允许的帐户”。

以下是 TCP 绑定的配置方式：

public ServiceBinding BuildBinding(String instanceName, string serviceName, bool isFastFailing)
        {
            NetTcpBinding binding = new NetTcpBinding(SecurityMode.None);
            binding.ReliableSession.Enabled = true;
            binding.Security.Transport.ClientCredentialType = TcpClientCredentialType.None;
            binding.MaxBufferPoolSize = Int64.MaxValue;
            binding.MaxBufferSize = Int32.MaxValue;
            binding.MaxReceivedMessageSize = Int32.MaxValue;
            binding.SendTimeout = new TimeSpan(0, 0, isFastFailing ? TIMEOUT_FOR_FAST_FAILING_SERVICE : TIMEOUT_FOR_NORMAL_SERVICE);
            binding.ReceiveTimeout = WcfOperationsConstants.INACTIVITY_TIMEOUT;
            binding.OpenTimeout = new TimeSpan(0, 0, 2);
            binding.CloseTimeout = new TimeSpan(0, 0, 2);
            binding.PortSharingEnabled = true;

            Uri uri = new Uri(String.Format(URI_FORMAT, m_ip, m_port, instanceName, serviceName));
            return new ServiceBinding(uri, binding);
        }

（那么，它们只是添加到ServiceHost 的端点。

那么，如何在代码中配置呢？或者您对可能是什么问题有任何其他想法？为什么它可以在某些计算机上运行？

谢谢

【问题讨论】：

标签： c# .net wcf self-hosting

【解决方案1】：

你可以试试这个方法：

1.下载PsGetSid。下载完成后，从cmd进入该工具所在的文件夹，执行以下命令获取当前用户的sid。

2.打开 SMSvcHost.exe.config（这个文件通常在 C:\Windows\Microsoft.NET\Framework\ v4.5 ），将你的 sid 添加到配置文件中。可以参考这个链接添加sid：Configuring the Net.TCP Port Sharing Service

【讨论】：