Recommended Settings for Tracing and Message Logging

https://docs.microsoft.com/en-us/dotnet/framework/wcf/diagnostics/tracing/recommended-settings-for-tracing-and-message-logging

Recommended Settings for a Production Environment

<configuration>  
 <system.diagnostics>  
  <sources>  
    <source name="System.ServiceModel"  
            switchValue="Warning"  
            propagateActivity="true" >  
      <listeners>  
        <add name="xml"/>  
      </listeners>  
    </source>  
    <source name="myUserTraceSource"  
            switchValue="Warning, ActivityTracing">  
      <listeners>  
        <add name="xml"/>  
      </listeners>  
    </source>  
  </sources>  
  <sharedListeners>  
    <add name="xml"  
         type="System.Diagnostics.XmlWriterTraceListener"  
               initializeData="C:logsTraces.svclog" />  
  </sharedListeners>  
 </system.diagnostics>  

<system.serviceModel>  
  <diagnostics wmiProviderEnabled="true">  
  </diagnostics>  
 </system.serviceModel>  
</configuration>

Recommended Settings for Deployment or Debugging

<configuration>  
 <system.diagnostics>  
  <sources>  
    <source name="System.ServiceModel"  
            switchValue="Information, ActivityTracing"  
            propagateActivity="true" >  
      <listeners>  
        <add name="xml"/>  
      </listeners>  
    </source>  
    <source name="System.ServiceModel.MessageLogging">  
      <listeners>  
        <add name="xml"/>  
      </listeners>  
    </source>  
    <source name="myUserTraceSource"  
            switchValue="Information, ActivityTracing">  
      <listeners>  
        <add name="xml"/>  
      </listeners>  
    </source>  
  </sources>  
  <sharedListeners>  
    <add name="xml"  
         type="System.Diagnostics.XmlWriterTraceListener"  
               initializeData="C:logsTraces.svclog" />  
  </sharedListeners>  
 </system.diagnostics>  

 <system.serviceModel>  
  <diagnostics wmiProviderEnabled="true">  
      <messageLogging   
           logEntireMessage="true"   
           logMalformedMessages="true"  
           logMessagesAtServiceLevel="true"   
           logMessagesAtTransportLevel="true"  
           maxMessagesToLog="3000"   
       />  
  </diagnostics>  
 </system.serviceModel>  
</configuration>