web.config redirect issues

Hello,
I need to do a 301 permanent redirect for several files on my website.

Here is the original code:

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
    <system.webServer>
        <directoryBrowse enabled="false" />
        <defaultDocument>
            <files>
                <clear />
                <add value="Default.htm" />
                <add value="Default.asp" />
                <add value="index.htm" />
                <add value="index.html" />
                <add value="iisstart.htm" />
                <add value="default.aspx" />
            </files>
        </defaultDocument>
        <httpProtocol>
            <customHeaders>
                <clear />
                <add name="X-Powered-By" value="ASP.NET" />
            </customHeaders>
        </httpProtocol>
        <httpErrors>
            <remove statusCode="404" subStatusCode="-1" />
            <error statusCode="404" subStatusCode="-1" path="/404.html" responseMode="ExecuteURL" />
        </httpErrors>
  </system.webServer>
</configuration>

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For example, I need to redirect any request to http://www.mydomain.com/current.html to http://www.mydomain.com/new.html 
I need to do this for 30 or so pages.

I tried adding in

<location path="current.html">
      <system.webServer>
        <httpRedirect enabled="true" destination="http://mydomain.com/new.html" httpResponseStatus="Permanent" />
      </system.webServer>
    </location>

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But all I got was 500 errors.
Help!