http://blogs.msdn.com/b/myazureworld/archive/2011/07/20/wcf-tracing-in-windows-azure-sdk-1-3-or-higher.aspxWCF Tracing in on-premise servers - http://msdn.microsoft.com/en-us/library/ms733025.aspx WCF Tracing in on-premise servers with intermittent failures &ndash; Enable Circular tracing: http://msdn.microsoft.com/en-us/library/aa395205.aspx WCF Tracingen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.msdn.com/b/myazureworld/archive/2011/07/20/wcf-tracing-in-windows-azure-sdk-1-3-or-higher.aspx#10223053Tue, 11 Oct 2011 03:47:41 GMT91d46819-8472-40ad-a661-2c78acb4018c:10223053Rock<p>I tried following this example for a workerRole using the XmlWriterTraceListener method at the end of your post. I just set the initializeData to WCFTrace.svclog to hopefully avoid permission issues. It runs in the dev fabric OK, but on Azure it just creates an empty file. Any ideas what I&#39;m doing wrong?</p> <div style="clear:both;"></div><img src="http://blogs.msdn.com/aggbug.aspx?PostID=10223053" width="1" height="1">