<?xml version="1.0" encoding="utf-8"?>
<configuration>
<system.diagnostics>
    <trace autoflush="true" />
    <sources>
      <source name="Microsoft.Xrm.Tooling.Connector.CrmServiceClient"
              switchName="Microsoft.Xrm.Tooling.Connector.CrmServiceClient"
              switchType="System.Diagnostics.SourceSwitch">
        <listeners>
          <add name="console" type="System.Diagnostics.DefaultTraceListener" />
          <remove name="Default" />
          <add name ="fileListener" />
        </listeners>
      </source>

      <source name="Microsoft.Xrm.Tooling.CrmConnectControl"
              switchName="Microsoft.Xrm.Tooling.CrmConnectControl"
              switchType="System.Diagnostics.SourceSwitch">
        <listeners>
          <add name="console" type="System.Diagnostics.DefaultTraceListener" />
          <remove name="Default" />
          <add name ="fileListener" />
        </listeners>
      </source>
    </sources>
    <switches>
      <!--
            Possible values for switches: Off, Error, Warning, Info, Verbose
                Verbose:    includes Error, Warning, Info, Trace levels
                Info:       includes Error, Warning, Info levels
                Warning:    includes Error, Warning levels
                Error:      includes Error level
        -->
      <add name="Microsoft.Xrm.Tooling.Connector.CrmServiceClient" value="Verbose" />
      <add name="Microsoft.Xrm.Tooling.CrmConnectControl" value="Verbose" />
      <add name="Microsoft.Xrm.Tooling.WebResourceUtility" value="Verbose" />
    </switches>
    <sharedListeners>
      <add name="fileListener" type="System.Diagnostics.TextWriterTraceListener" initializeData="XRMToolingLogs.log" />
      <!--<add name="eventLogListener" type="System.Diagnostics.EventLogTraceListener" initializeData="XRMTooling" />-->
    </sharedListeners>
  </system.diagnostics>
</configuration>

Microsoft.Xrm.Tooling.Connector.TraceControlSettings.TraceLevel = System.Diagnostics.SourceLevels.All;
Microsoft.Xrm.Tooling.Connector.TraceControlSettings.AddTraceListener(new TextWriterTraceListener("log.txt"));