title: Umbraco Installation Problem On IIS7
body: <p>I'm trying to install Umbraco locally on Vista (IIS7) and ASP.NET35 - I have used the web.config for IIS7 and aspnet35 shown on the umbraco forums but still getting this IIS error.</p>
  
  <pre><code>HTTP Error 500.19 - Internal Server Error 
  
  The requested page cannot be accessed because the related configuration data for the page is invalid. Detailed Error Information 
  
  Module IIS Web Core Notification BeginRequest Handler Not yet determined 
  
  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". 
  
  Config File \\?\C:\inetpub\wwwroot\umbraco\web.config
  
  
  Requested URL http://localhost:80/umbraco/install/ 
  
  Physical Path C:\inetpub\wwwroot\umbraco\install\ Logon Method Not yet determined Logon User Not yet determined Config Source
  
  185: &lt;/modules&gt; 186: &lt;handlers&gt; 187: &lt;!-- Asp.net 3.5 handlers--&gt;
  </code></pre>
  
  <p>Any ideas?</p>