http://blogs.technet.com/b/dodeitte/archive/2012/07/17/where-is-the-lync-2013-tracing-folder.aspxI went to look for the client uccapilog file, but it wasn't in the location I was expecting. In previous versions of Communicator and Lync 2010, the client tracing folder was stored in: C:\Users\&lt;username&gt;\Tracing In Lync 2013, the clienten-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.technet.com/b/dodeitte/archive/2012/07/17/where-is-the-lync-2013-tracing-folder.aspx#3509717Thu, 19 Jul 2012 09:31:12 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3509717Holger Bunkradt<p>Yes, because Lync 2013 is now integrated in Office 2013, so the path also for the User configuration is changed to the office path C:\Users\&lt;username&gt;\AppData\Local\Microsoft\Office\15.0\Lync</p> <div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3509717" width="1" height="1">