App service logs not getting reflected in Application insight when changing the Instrumentation key.

Govinda Kumar 1

I am facing a weird issue where I have an app service where I have deployed my .NET Core 3.1. code from where I am logging to Application insight using the instrumentation key from the configuration file, I deployed my code first time in Subscription A using Application insight in Subscription B and it was working fine. I was able to see the logs in Application insight. Then I changed the Instrumentation key in the configuration to log to an Application insight in Subscription A but still the logs are going in the Application Insight instance of Subscription B.

I am doing application insight logging from the code itself so I haven't explicitly enabled Appinsight logging for App service.

Is something App service is holding for the old application insight?

Ryan Hill 28,106 Reputation points Microsoft Employee

2020-07-08T02:16:08.833+00:00
Hi @GovindaKumar-4356,

Could you please clarify a few things for me?

You said you're doing logging from the code itself, can you elaborate? Are you retrieving your insturmentation key through app setting or hardcoded?

Did you restart your app service after changing the instrumentation key?

Looking forward to seeing your response.

Regards,
Ryan

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App service logs not getting reflected in Application insight when changing the Instrumentation key.

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