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Azure Application Insights–Set cloud role name in ASP.NET Core

One way to improve our Application Insights telemetry, is by setting the cloud role name yourself. I shared how to do this in an ASP.NET application in a previous post. In this post I'll show you how to use this approach in an ASP.NET Core application.

The first steps are quite similar.  We still need to create a custom TelemetryInitializer. Therefore we create a class that implements the ITelemetryInitializer interface and implement the Initialize method:

Now, in the Startup.ConfigureServices method, we register that telemetry initializer as a singleton:

Or if you are using .NET 6 minimal API’s:

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