Microsoft .NET Framework metrics come packaged with the Metricly Windows Agent. Our Windows agent is a Microsoft Windows service that collects, aggregates, and publishes windows performance counters and attributes. Configure There’s no additional configuration necessary for the Microsoft .NET Framework if you’ve already installed the Windows agent unless you want to add additional custom metrics to supplement the default collected metrics. 1. Add Custom Metrics Open the Add Counters window Open perfmon (Performance Monitor) on your computer.