If you’re using the .NET Application Insights SDK to instrument and monitor your ASP.NET Core or worker service applications, this blog post is for you. We’ll explore some potential causes for data loss in your telemetry, and how to fix them: Losing telemetry data on application shutdown Not capturing application logs Failing to capture end-user information in the ASP.NET Core authentication middleware Not capturing personal identifiable information (for internal web applications only) Ca...