我发现了很多关于使用 LDAP 进行身份验证的线程，但更多的是关于 asp.net webforms 和 MVC 3 而不是 4。我正在使用 VS2012 MVC 4 Web 应用程序和 Internet 应用程序项目模板。我正在尝试通过 LDAP 或 Active Directory 进行身份验证，到目前为止，我还没有发现可行的分步说明。它主要是这里和那里的一个样本，它并没有真正起作用。我已经尝试过 Microsoft asp.net 论坛，但到目前为止似乎没有人知道答案。所以，下面是我的 web.config 文件。
<?xml version="1.0" encoding="utf-8"?>
<!--
For more information on how to configure your ASP.NET application, please visit
http://go.microsoft.com/fwlink/?LinkId=169433
-->
<configuration>
<configSections>
<!-- For more information on Entity Framework configuration, visit http://go.microsoft.com/fwlink/?LinkID=237468 -->
<section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=5.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
</configSections>
<connectionStrings>
<add name="alumniConnectionString" connectionString="Data Source=myDB;Initial Catalog=Alumn;Persist Security Info=True;User ID=myUser;Password=myPass" providerName="System.Data.SqlClient"/>
<add name="ADConnectionString" connectionString="LDAP://mySite.com/ou=useraccounts,DC=mySite,DC=com"/>
</connectionStrings>
<appSettings>
<add key="webpages:Version" value="2.0.0.0" />
<add key="webpages:Enabled" value="false" />
<add key="PreserveLoginUrl" value="true" />
<add key="ClientValidationEnabled" value="true" />
<add key="UnobtrusiveJavaScriptEnabled" value="true" />
<add key="enableSimpleMembership" value="true" />
</appSettings>
<system.web>
<compilation debug="true" targetFramework="4.5" />
<httpRuntime targetFramework="4.5" />
<authentication mode="Forms">
<!--<forms loginUrl="~/Account/Login" timeout="2880" />-->
<forms name=".ADAuthCookie" timeout="30" loginUrl="~/Account/Login" slidingExpiration="false" protection="All"/>
</authentication>
<profile defaultProvider="SimpleProfileProvider">
<providers>
<add name="SimpleProfileProvider" type="WebMatrix.WebData.SimpleMembershipProvider, WebMatrix.WebData" connectionStringName="DefaultConnection" applicationName="/" />
</providers>
</profile>
<membership defaultProvider="SimpleProfileProvider">
<providers>
<clear/>
<add name="SimpleProfileProvider" type="System.Web.Security.ActiveDirectoryMembershipProvider, System.Web, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" connectionUsername="mySite-UserName\myLDAP" connectionPassword="myPassLDAP" connectionStringName="ADConnectionString" attributeMapUsername="sAMAccountName"/>
</providers>
</membership>
<roleManager defaultProvider="SimpleRoleProvider">
<providers>
<add name="SimpleRoleProvider" type="WebMatrix.WebData.SimpleRoleProvider, WebMatrix.WebData"/>
</providers>
</roleManager>
<pages>
<namespaces>
<add namespace="System.Web.Helpers" />
<add namespace="System.Web.Mvc" />
<add namespace="System.Web.Mvc.Ajax" />
<add namespace="System.Web.Mvc.Html" />
<add namespace="System.Web.Optimization" />
<add namespace="System.Web.Routing" />
<add namespace="System.Web.WebPages" />
</namespaces>
</pages>
</system.web>
<system.webServer>
<validation validateIntegratedModeConfiguration="false" />
<handlers>
<remove name="ExtensionlessUrlHandler-ISAPI-4.0_32bit" />
<remove name="ExtensionlessUrlHandler-ISAPI-4.0_64bit" />
<remove name="ExtensionlessUrlHandler-Integrated-4.0" />
<add name="ExtensionlessUrlHandler-ISAPI-4.0_32bit" path="*." verb="GET,HEAD,POST,DEBUG,PUT,DELETE,PATCH,OPTIONS" modules="IsapiModule" scriptProcessor="%windir%\Microsoft.NET\Framework\v4.0.30319\aspnet_isapi.dll" preCondition="classicMode,runtimeVersionv4.0,bitness32" responseBufferLimit="0" />
<add name="ExtensionlessUrlHandler-ISAPI-4.0_64bit" path="*." verb="GET,HEAD,POST,DEBUG,PUT,DELETE,PATCH,OPTIONS" modules="IsapiModule" scriptProcessor="%windir%\Microsoft.NET\Framework64\v4.0.30319\aspnet_isapi.dll" preCondition="classicMode,runtimeVersionv4.0,bitness64" responseBufferLimit="0" />
<add name="ExtensionlessUrlHandler-Integrated-4.0" path="*." verb="GET,HEAD,POST,DEBUG,PUT,DELETE,PATCH,OPTIONS" type="System.Web.Handlers.TransferRequestHandler" preCondition="integratedMode,runtimeVersionv4.0" />
</handlers>
</system.webServer>
<runtime>
<assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
<dependentAssembly>
<assemblyIdentity name="System.Web.Helpers" publicKeyToken="31bf3856ad364e35" />
<bindingRedirect oldVersion="1.0.0.0-2.0.0.0" newVersion="2.0.0.0" />
</dependentAssembly>
<dependentAssembly>
<assemblyIdentity name="System.Web.Mvc" publicKeyToken="31bf3856ad364e35" />
<bindingRedirect oldVersion="1.0.0.0-4.0.0.0" newVersion="4.0.0.0" />
</dependentAssembly>
<dependentAssembly>
<assemblyIdentity name="System.Web.WebPages" publicKeyToken="31bf3856ad364e35" />
<bindingRedirect oldVersion="1.0.0.0-2.0.0.0" newVersion="2.0.0.0" />
</dependentAssembly>
</assemblyBinding>
</runtime>
<entityFramework>
<defaultConnectionFactory type="System.Data.Entity.Infrastructure.LocalDbConnectionFactory, EntityFramework">
<parameters>
<parameter value="v11.0" />
</parameters>
</defaultConnectionFactory>
</entityFramework>
</configuration>
当我进入帐户/登录页面时，我收到以下错误：
“/Alumni”应用程序中的服务器错误。找不到请求的 .Net Framework 数据提供程序。它可能没有安装。说明：执行当前 Web 请求期间发生未处理的异常。请查看堆栈跟踪以获取有关错误及其源自代码的位置的更多信息。
异常详细信息：System.ArgumentException：找不到请求的 .Net Framework 数据提供程序。它可能没有安装。
Source Error:
Line 32: using (var context = new UsersContext())
Line 33: {
Line 34: if (!context.Database.Exists())
Line 35: {
Line 36: // Create the SimpleMembership database without Entity Framework migration schema
Source File: f:\Web_Site\Alumni\Alumni\Filters\InitializeSimpleMembershipAttribute.cs Line: 34