Web.config.bad causes 'ServiceStack.Factory' error when making request to /servicestack/hello in ServiceStack.Hello example project running under IISExpress in Classic mode. Web.config.good runs successfully after adding '.aspx' extenstions to ServiceStack routes and making request to /servicestack/hello.aspx

Web.config.bad

<?xml version="1.0"?>
<configuration>
  <!-- ServiceStack: Required to host at: /servicestack -->
  <location path="servicestack">
    <system.web>
      <httpHandlers>
        <add path="*" type="ServiceStack.WebHost.Endpoints.ServiceStackHttpHandlerFactory, ServiceStack" verb="*"/>
      </httpHandlers>
    </system.web>

    <!-- Required for IIS7 -->
    <system.webServer>
      <modules runAllManagedModulesForAllRequests="true"/>
      <validation validateIntegratedModeConfiguration="false" />
      <handlers>
        <add path="*" name="ServiceStack.Factory" type="ServiceStack.WebHost.Endpoints.ServiceStackHttpHandlerFactory, ServiceStack" 
             verb="*" preCondition="classicMode" resourceType="Unspecified" allowPathInfo="true" />
      </handlers>
    </system.webServer>
  </location>
  <!-- Required for MONO -->
  <system.web>
    <httpHandlers>
      <add path="servicestack*" type="ServiceStack.WebHost.Endpoints.ServiceStackHttpHandlerFactory, ServiceStack" verb="*"/>
    </httpHandlers>
  </system.web>
  <!-- Required for IIS7 -->
  <system.webServer>
    <!-- ServiceStack: Required -->
    <validation validateIntegratedModeConfiguration="false"/>
  </system.webServer>
</configuration>

web.config.good

<?xml version="1.0"?>
<configuration>
  <location path="servicestack">
    <system.web>
      <httpHandlers>
        <add path="*" type="ServiceStack.WebHost.Endpoints.ServiceStackHttpHandlerFactory, ServiceStack" verb="*"/>
      </httpHandlers>
    </system.web>

    <!-- Required for IIS7 -->
    <system.webServer>
      <modules runAllManagedModulesForAllRequests="true"/>
      <validation validateIntegratedModeConfiguration="false" />
      <handlers>
        <add path="servicestack*" name="ServiceStack.Factory" type="ServiceStack.WebHost.Endpoints.ServiceStackHttpHandlerFactory, ServiceStack"
             verb="*" preCondition="integratedMode" resourceType="Unspecified" allowPathInfo="true" />
      </handlers>
    </system.webServer>
  </location>
  <system.web>
    <httpHandlers>
      <add path="servicestack*" type="ServiceStack.WebHost.Endpoints.ServiceStackHttpHandlerFactory, ServiceStack" verb="*"/>
    </httpHandlers>
    <compilation debug="true"/>
  </system.web>
  <!-- Required for IIS7 -->
  <system.webServer>
    <!-- ServiceStack: Required -->
    <validation validateIntegratedModeConfiguration="false"/>
  </system.webServer>
</configuration>