WIF 4.5 Tracing

<system.diagnostics>
    <sources>
        <source name="System.IdentityModel" switchValue="Verbose">
            <listeners>
                <add name="xml" type="System.Diagnostics.XmlWriterTraceListener" initializeData="C:\\temp\\WIFTrace.e2e"/>
            </listeners>
        </source>
    </sources>
    <trace autoflush="true"/>
</system.diagnostics>