However, these changes can affect the transaction names of existing metrics, including key transactions, 'alert on anything' metrics, and queries based on transaction names. For an example of what you will see in the UI, see this New Relic Online Technical Community post. Your custom instrumentation may need to be updated to use custom transactions. Other such metrics (such as instrumented methods) can be made viewable by 'wrapping' them in a custom transaction. Exception: You can view database and external metrics in their respective pages in the APM UI. Metrics that are not part of a transaction will not be displayed in the UI. NET framework bug, see Why is HttpContext.Current null after await? and All about.