[quote='882729022, PavanGulla, /thread/821002?answerId=882729022#882729022, /profile/PavanGulla'] we received approximately 48 hours of past metric payloads [/quote] Oh, interesting. I’m not 100% sure what’s going on here but this behaviour doesn’t surprise me. Internally, MetricKit uses an XPC activity to drive metric delivery [1], and XPC activities a very much a best effort kinda thing. [quote='882729022, PavanGulla, /thread/821002?answerId=882729022#882729022, /profile/PavanGulla'] could u comment if MetricKit works for NE Process? [/quote] Well, I think you have pretty solid evidence that it doesn’t (-: I’m going to talk about what’s going on in a sec, but before I do that I want to give you some concrete advice: If you want MetricKit to work in your NE system extension, I encourage you to file an enhancement request that describes your setup and why MetricKit is important to you. Once you’re done, please post your bug number here, just for the record. As to why this doesn’t work, consi