我在尝试对 ASP.NET MVC4 中的 Netowrks NID 使用 LDAP 身份验证时遇到了问题。我正在使用 ASP.NET 的内置 ActiveDirectoryMembershipProvider，它正是为此目的而设计的。我知道我已成功联系服务器，因为如果我更改用户名或密码，我会收到无效的登录错误。
不幸的是，我收到的错误非常难以描述。堆栈跟踪显示错误的类型为 ConfigurationErrorsException，这让我相信我只是没有正确配置某些东西。
这是我来自 Web.config 的连接字符串：
<connectionStrings>
<add name="ADConnectionString" connectionString="LDAP://authenticate.ad.mydomain.com/OU=NIDs,OU=Accounts,DC=ad,DC=mydomain,DC=com" />
</connectionStrings>
来自 Web.config 的 MembershipProvider 配置：
<authentication mode="Forms">
<forms name=".ADAuthCookie" loginUrl="~/Account/Login" timeout="2880" slidingExpiration="false" protection="All" />
</authentication>
<membership defaultProvider="ADMembershipProvider">
<providers>
<clear />
<add name="ADMembershipProvider"
type="System.Web.Security.ActiveDirectoryMembershipProvider"
connectionProtection="Secure"
connectionStringName="ADConnectionString"
connectionUsername="XXXXXXXXXX"
connectionPassword="XXXXXXXXXX"
attributeMapUsername="sAMAccountName"/>
</providers>
</membership>
我在假设应用程序成功联系 AD 服务器的情况下运行，因为如果我修改用户名/密码中的任何内容，我会收到无效的服务器登录错误。
目前，每当我尝试进行身份验证时，都会收到以下错误：A local error has occurred.
来自事件日志的堆栈跟踪：
Exception type: ConfigurationErrorsException
Exception message: A local error has occurred.
(C:\Users\wchristie\Documents\Visual Studio 2010\Projects\EZIDManager\EZIDManager\web.config line 26)
at System.Web.Configuration.ProvidersHelper.InstantiateProvider(ProviderSettings providerSettings, Type providerType)
at System.Web.Configuration.ProvidersHelper.InstantiateProviders(ProviderSettingsCollection configProviders, ProviderCollection providers, Type providerType)
at System.Web.Security.Membership.InitializeSettings(Boolean initializeGeneralSettings, RuntimeConfig appConfig, MembershipSection settings)
at System.Web.Security.Membership.Initialize()
at System.Web.Security.Membership.get_Provider()
at System.Web.Security.Membership.ValidateUser(String username, String password)
at EZIDManager.Controllers.AccountController.Login(LoginModel model, String returnUrl) in C:\Users\wchristie\Documents\Visual Studio 2010\Projects\EZIDManager\EZIDManager\Controllers\AccountController.cs:line 24
at lambda_method(Closure , ControllerBase , Object[] )
at System.Web.Mvc.ActionMethodDispatcher.Execute(ControllerBase controller, Object[] parameters)
at System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary`2 parameters)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary`2 parameters)
at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass42.<BeginInvokeSynchronousActionMethod>b__41()
at System.Web.Mvc.Async.AsyncResultWrapper.<>c__DisplayClass8`1.<BeginSynchronous>b__7(IAsyncResult _)
at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncResult`1.End()
at System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethod(IAsyncResult asyncResult)
at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass37.<>c__DisplayClass39.<BeginInvokeActionMethodWithFilters>b__33()
at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass4f.<InvokeActionMethodFilterAsynchronously>b__49()
at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass37.<BeginInvokeActionMethodWithFilters>b__36(IAsyncResult asyncResult)
at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncResult`1.End()
at System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethodWithFilters(IAsyncResult asyncResult)
at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass25.<>c__DisplayClass2a.<BeginInvokeAction>b__20()
at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass25.<BeginInvokeAction>b__22(IAsyncResult asyncResult)
at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncResult`1.End()
at System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeAction(IAsyncResult asyncResult)
at System.Web.Mvc.Controller.<>c__DisplayClass1d.<BeginExecuteCore>b__18(IAsyncResult asyncResult)
at System.Web.Mvc.Async.AsyncResultWrapper.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar)
at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncResult`1.End()
at System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult)
at System.Web.Mvc.Async.AsyncResultWrapper.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar)
at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncResult`1.End()
at System.Web.Mvc.Controller.EndExecute(IAsyncResult asyncResult)
at System.Web.Mvc.Controller.System.Web.Mvc.Async.IAsyncController.EndExecute(IAsyncResult asyncResult)
at System.Web.Mvc.MvcHandler.<>c__DisplayClass8.<BeginProcessRequest>b__3(IAsyncResult asyncResult)
at System.Web.Mvc.Async.AsyncResultWrapper.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar)
at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncResult`1.End()
at System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult)
at System.Web.Mvc.MvcHandler.System.Web.IHttpAsyncHandler.EndProcessRequest(IAsyncResult result)
at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)
A local error has occurred.
at System.DirectoryServices.ActiveDirectory.Domain.GetDomain(DirectoryContext context)
at System.Web.Security.DirectoryInformation.InitializeDomainAndForestName()
at System.Web.Security.ActiveDirectoryMembershipProvider.Initialize(String name, NameValueCollection config)
at System.Web.Configuration.ProvidersHelper.InstantiateProvider(ProviderSettings providerSettings, Type providerType)
A local error has occurred.
at System.DirectoryServices.DirectoryEntry.Bind(Boolean throwIfFail)
at System.DirectoryServices.DirectoryEntry.Bind()
at System.DirectoryServices.DirectoryEntry.get_AdsObject()
at System.DirectoryServices.PropertyValueCollection.PopulateList()
at System.DirectoryServices.PropertyValueCollection..ctor(DirectoryEntry entry, String propertyName)
at System.DirectoryServices.PropertyCollection.get_Item(String propertyName)
at System.DirectoryServices.ActiveDirectory.Utils.CheckCapability(DirectoryEntry rootDSE, Capability capability)
at System.DirectoryServices.ActiveDirectory.Domain.GetDomain(DirectoryContext context)
有没有人遇到过这个问题或知道什么可能导致这个错误？这是我第一次使用 ActiveDirectoryMembershipProvider，非常感谢任何帮助或建议。