The PAL (Performance Analysis of Logs) tool is a powerful tool that reads in a performance monitor counter log and analyzes it using known thresholds. The Lync Server 2010 Threshold files help you to identify performance issues on your Lync Server 2010 Servers. Files are included for the following roles:
You can download the latest version of the Lync Server 2010 threshold files here.
After downloading, make sure to copy all of the threshold files into the PAL installation directory. You can download the latest version of PAL here.