IIS 无法加载或初始化请求的服务提供程序可能的原因

yuqiz1981 2017-08-18 04:24:46

从VS上打开网页可以正常访问。
在IIS下访问服务器报以下错误

[SocketException (0x277a): 无法加载或初始化请求的服务提供程序。]

   System.Net.SafeCloseSocketAndEvent.CreateWSASocketWithEvent(AddressFamily addressFamily, SocketType socketType, ProtocolType protocolType, Boolean autoReset, Boolean signaled) +8230198

   System.Net.NetworkAddressChangePolled..ctor() +102

   System.Net.AutoDetector.Initialize() +205

   System.Net.AutoDetector.get_CurrentAutoDetector() +33

   System.Net.AutoWebProxyScriptEngine..ctor(WebProxy proxy, Boolean useRegistry) +68

   System.Net.WebProxy.UnsafeUpdateFromRegistry() +49

   System.Net.Configuration.DefaultProxySectionInternal..ctor(DefaultProxySection section) +1912

   System.Net.Configuration.DefaultProxySectionInternal.GetSection() +156



[ConfigurationErrorsException: 创建在“system.net/defaultProxy”配置节中指定的 Web 代理时出错。]

   System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg) +14350190

   System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type) +388

   EFClientTools.EFServerReference.IEFService.CanOpen() +0

   EFClientTools.EFServerReference.EFServiceClient.CanOpen() in d:\版本\Version\安裝源文件\EEP2012(V5.0.0.020140924 SP5)\EEP2012\EFClientTools\Reference.cs:10574

   EFClientTools.ClientUtility.get_Client() in d:\版本\Version\安裝源文件\EEP2012(V5.0.0.020140924 SP5)\EEP2012\EFClientTools\ClientUtility.cs:39

   LogOn.Page_Load(Object sender, EventArgs e) in d:\192.168.42.200\save\GOCENT.HIS.WEBPC\LogOn.aspx.cs:24

   System.Web.UI.Control.OnLoad(EventArgs e) +109

   System.Web.UI.Control.LoadRecursive() +68

   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +9458

   System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +356

   System.Web.UI.Page.ProcessRequest() +76

   System.Web.UI.Page.ProcessRequest(HttpContext context) +70

   ASP.logon_aspx.ProcessRequest(HttpContext context) in c:\Windows\Microsoft.NET\Framework64\v4.0.30319\Temporary ASP.NET Files\root\039c65d5\c233f385\App_Web_kjmmv4ut.0.cs:0

   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +508

   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +92