Log collections

The PI Web API service is an Event Tracing for Windows (ETW) event source, so any application capable of recording ETW events (such as PerfView) can capture PI Web API logs.

By default, the installer registers the PI Web API event source with the Windows Event Log, under Applications and Services Logs > PIWebAPI. Admin events, which include unhandled service exceptions and other critical errors and messages, are logged by default.

PI Web API also generates verbose analytic and debug events.