HTTP Error 500.19 – Error Code 0x80070021

asp.netauthenticationiis

Background: Trying to debug WebForms application and get authenticated windows user from AD,

On F5 I get greeted with this amazing page.

Module
WindowsAuthenticationModule

Notification
AuthenticateRequest

Handler
ExtensionlessUrl-Integrated-4.0

Error Code
0x80070021

Config Error
This configuration section cannot be used at this path. This happens when the section is locked at a parent level. Locking is either by default (overrideModeDefault="Deny"), or set explicitly by a location tag with overrideMode="Deny" or the legacy allowOverride="false".

onDebug

Config Source:

   81:         <anonymousAuthentication enabled="false"/>
   82:         <windowsAuthentication enabled="true"/>
   83:         <basicAuthentication enabled="false"

My Web.config(JustDifferentNames)

<?xml version="1.0"?>
<!--
  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=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false"/>
    <!--<section name="windowsAuthentication" overrideModeDefault="Allow" />
    <section name="anonymousAuthentication" overrideModeDefault="false" />
    <add name="WindowsAuthenticationModule" lockItem="false" />
    <add name="AnonymousAuthenticationModule" lockItem="false" />-->
  </configSections>
    <connectionStrings>
    <!--<add name="MyContext" connectionString="Data Source=idea-pc;Initial Catalog=componentnameNumber;Integrated Security=True" providerName="System.Data.SqlClient"/>-->
    <add name="DBComponent1" connectionString="Data Source=idea-pc;Initial Catalog=comp2;Integrated Security=True" providerName="System.Data.SqlClient"/>
    <add name="DBComponent2" connectionString="Data Source=idea-pc;Initial Catalog=comp3;Integrated Security=True" providerName="System.Data.SqlClient"/>
    <add name="DBComponent3" connectionString="Data Source=idea-pc;Initial Catalog=comp4;Integrated Security=True" providerName="System.Data.SqlClient"/>
    <add name="DBComponent4" connectionString="Data Source=idea-pc;Initial Catalog=comp5;Integrated Security=True" providerName="System.Data.SqlClient"/>
    <add name="DefaultConnection" connectionString="Data Source=(LocalDb)\MSSQLLocalDB;AttachDbFilename=|DataDirectory|\aspnet-MyProj-20160209113257.mdf;Initial Catalog=aspnet-MyProjectEvents-20160209113257;Integrated Security=True" providerName="System.Data.SqlClient"/>
  </connectionStrings>
  <system.web>
        <authentication mode="Windows"/>
        <identity impersonate="false"/>
        <authorization>
           <allow users="*"/>
        </authorization>
        <compilation debug="true" strict="false" explicit="true" targetFramework="4.5"/>
        <customErrors mode="Off"/>
    <!--</system.web>-->
    <pages>
      <namespaces>
        <add namespace="System.Web.Optimization"/>
        <add namespace="Microsoft.AspNet.Identity"/>
      </namespaces>
      <controls>
        <add assembly="Microsoft.AspNet.Web.Optimization.WebForms" namespace="Microsoft.AspNet.Web.Optimization.WebForms" tagPrefix="webopt"/>
        <add tagPrefix="ajaxToolkit" assembly="AjaxControlToolkit" namespace="AjaxControlToolkit"/>
      </controls>
    </pages>
    <membership>
      <providers>
        <!--
        ASP.NET Membership is disabled in this template. Please visit the following link http://go.microsoft.com/fwlink/?LinkId=301889 to learn about the ASP.NET Membership support in this template
        -->
        <clear/>
      </providers>
    </membership>
    <profile>
      <providers>
        <!--
        ASP.NET Membership Profile is disabled in this template. Please visit the following link http://go.microsoft.com/fwlink/?LinkId=301889 to learn about the ASP.NET Membership support in this template
        -->
        <clear/>
      </providers>
    </profile>
    <roleManager>
      <!--
          ASP.NET Membership Role is disabled in this template. Please visit the following link http://go.microsoft.com/fwlink/?LinkId=301889 to learn about the ASP.NET Membership support in this template
        -->
      <providers>
        <clear/>
      </providers>
    </roleManager>
    <!--
            If you are deploying to a cloud environment that has multiple web server instances,
            you should change session state mode from "InProc" to "Custom". In addition,
            change the connection string named "DefaultConnection" to connect to an instance
            of SQL Server (including SQL Azure and SQL  Compact) instead of to SQL Server Express.
      -->
    <sessionState mode="InProc" cookieless="false" timeout="30" customProvider="DefaultSessionProvider">
      <providers>
        <add name="DefaultSessionProvider" type="System.Web.Providers.DefaultSessionStateProvider, System.Web.Providers, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" connectionStringName="DefaultConnection"/>
      </providers>
    </sessionState>
  </system.web>
  <system.webServer>
    <security>
      <authentication>
        <anonymousAuthentication enabled="false"/>
        <windowsAuthentication enabled="true"/>
        <basicAuthentication enabled="false"
                             realm=""
                             defaultLogonDomain="TestDomain"/>
      </authentication>
    </security>



    <modules>
      <!--<remove name="FormsAuthentication"/>-->
    </modules>
  </system.webServer>
  <runtime>
    <gcAllowVeryLargeObjects enabled="true" />
    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
      <dependentAssembly>
        <assemblyIdentity name="Newtonsoft.Json" culture="neutral" publicKeyToken="30ad4fe6b2a6aeed"/>
        <bindingRedirect oldVersion="0.0.0.0-6.0.0.0" newVersion="6.0.0.0"/>
      </dependentAssembly>
      <dependentAssembly>
        <assemblyIdentity name="WebGrease" culture="neutral" publicKeyToken="31bf3856ad364e35"/>
        <bindingRedirect oldVersion="0.0.0.0-1.5.2.14234" newVersion="1.5.2.14234"/>
      </dependentAssembly>
      <dependentAssembly>
        <assemblyIdentity name="EntityFramework" publicKeyToken="b77a5c561934e089"/>
        <bindingRedirect oldVersion="0.0.0.0-6.0.0.0" newVersion="6.0.0.0"/>
      </dependentAssembly>
      <dependentAssembly>
        <assemblyIdentity name="Microsoft.Owin" culture="neutral" publicKeyToken="31bf3856ad364e35"/>
        <bindingRedirect oldVersion="0.0.0.0-3.0.1.0" newVersion="3.0.1.0"/>
      </dependentAssembly>
      <dependentAssembly>
        <assemblyIdentity name="Microsoft.Owin.Security.OAuth" culture="neutral" publicKeyToken="31bf3856ad364e35"/>
        <bindingRedirect oldVersion="0.0.0.0-3.0.1.0" newVersion="3.0.1.0"/>
      </dependentAssembly>
      <dependentAssembly>
        <assemblyIdentity name="Microsoft.Owin.Security.Cookies" culture="neutral" publicKeyToken="31bf3856ad364e35"/>
        <bindingRedirect oldVersion="0.0.0.0-3.0.1.0" newVersion="3.0.1.0"/>
      </dependentAssembly>
      <dependentAssembly>
        <assemblyIdentity name="Microsoft.Owin.Security" culture="neutral" publicKeyToken="31bf3856ad364e35"/>
        <bindingRedirect oldVersion="0.0.0.0-3.0.1.0" newVersion="3.0.1.0"/>
      </dependentAssembly>
    </assemblyBinding>
  </runtime>
  <entityFramework>
    <defaultConnectionFactory type="System.Data.Entity.Infrastructure.LocalDbConnectionFactory, EntityFramework">
      <parameters>
        <parameter value="mssqllocaldb"/>
      </parameters>
    </defaultConnectionFactory>
    <providers>
      <provider invariantName="System.Data.SqlClient" type="System.Data.Entity.SqlServer.SqlProviderServices, EntityFramework.SqlServer"/>
    </providers>
  </entityFramework>
  <system.codedom>
    <compilers>
      <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:6 /nowarn:1659;1699;1701"/>
      <compiler language="vb;vbs;visualbasic;vbscript" extension=".vb" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.VBCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:14 /nowarn:41008 /define:_MYTYPE=\&quot;Web\&quot; /optionInfer+"/>
    </compilers>
  </system.codedom>
</configuration>

Looked around checked my settings and I found that I dont have Win Auth under my
IIS -> World Wide Web Services -> Security

enter image description here

Neither do i have it here (Even after disabling anonymous auth)

enter image description here

What am i missing to check ? or do for that matter, im still a noob.

Edit:

enter image description here

Best Answer

The Windows edition you used is a low end one, which does not even support Windows authentication.

You will have to upgrade to a high end edition such as Professional.