Microsoft has released debugging tools for Microsoft Lync Server 2013

Microsoft Lync Server 2013 Debugging Tools is a collection of additional tools for use by IT Admins to aid in troubleshooting Lync Server 2013 deployments. The collection of tools include:

Snooper
OCSLogger
OCSTracer
ClsController.psm1

  Microsoft Lync Server 2013 Debugging Tools