Client acess policy

Question

Hai all

In wcf thought i have added CLIENT ACESS POLICY code in an XML file ..while i excuting the code it shows "communication error"..how can i clear this error ??

<?xml version="1.0" encoding="utf-8"?>

<access-policy>

  <cross-domain-access>

    <policy>

      <allow-from http-request-headers="SOAPAction">

        <domain uri="*"/>

      </allow-from>

      <grant-to>

        <resource path="/" include-subpaths="true"/>

      </grant-to>

    </policy>

  </cross-domain-access>

</access-policy>