WCF Message Log

<diagnostics>

<messageLogging logEntireMessage="true" logMessagesAtServiceLevel="true"

logMessagesAtTransportLevel="true" maxMessagesToLog="1000"/>

</diagnostics>

</system.serviceModel>

<system.diagnostics>

<sharedListeners>

<add name="sharedlistener" type="System.Diagnostics.XmlWriterTraceListener" initializeData="D:\wcf.svclog"/>

</sharedListeners>

<sources>

<source name="System.ServiceModel.MessageLogging" switchValue="Verbose, ActivityTracing">

<listeners>

<add name="sharedlistener"/>

</listeners>

</source>

<source name="System.ServiceModel.MessageLogging" switchValue="Verbose">

<listeners>

<add name="sharedlistener"/>

</listeners>

</source>

</sources>

</system.diagnostics>