<system.webServer>
 <applicationInitialization
       remapManagedRequestsTo="index.html"
       skipManagedModules="true" >
      <add initializationPage="/App" />
    </applicationInitialization>
</system.webServer>

<applicationPools>
 <add name="MainNode" autoStart="true" managedRuntimeVersion="v4.0" startMode="AlwaysRunning">
                <processModel identityType="SpecificUser" userName="*****" password="****" idleTimeout="00:00:00" />
            </add>
</applicationPools>

<sites>
<site name="MainNode" id="7" serverAutoStart="true">
                <application path="/App" applicationPool="MainNodeAppPool" preloadEnabled="true">
                    <virtualDirectory path="/" physicalPath="C:inetpubsitesMainNode" />
                </application>
</site>
</sites>