Lync centralized logging is a great new feature with Lync Server 2013. This feature also allows you to configure AlwaysOn logging, which will keep logging on, always J This is helpful in situations where an issue has been reported and you are not able to reproduce, or do not want to bother users to reproduce.
The commands for configuring centralized logging allow you to specify file locations, rollover time limits and sizes. However, these settings are only for when a user initiates a logging session. The AlwaysOn logging files are stored as part of the network service account, and in order to locate these ETL files, you must navigate to the following folder, by default:
%WINDIR%\ServiceProfiles\NetworkService\AppData\Local\Temp\Tracing Read more