Application Insights Error Retrieving Data

Craig 26 Reputation points
2022-09-21T21:30:51.7+00:00

Application Insights intermittently refuses to show operation details and exception counts, especially if the request window timeline is filtered.
I'm finding the frequency of this is increasing and it's really frustrating when I need quick answers to a production issue.
The Edge console shows a series of 401 errors.

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Azure Monitor
Azure Monitor
An Azure service that is used to collect, analyze, and act on telemetry data from Azure and on-premises environments.
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  1. Maxim Sergeev 6,566 Reputation points Microsoft Employee
    2022-09-22T20:50:23.823+00:00

    Hi there,

    Basically, the 401 (Unauthorized) status code indicates that the request has not been applied because it lacks valid authentication credentials for the target resource.

    So, it looks like your browser session uses an expired token, or the telemetry (data itself) of app insights is stored in a linked log analytics workspace where you don't have enough permissions.


  2. Craig 26 Reputation points
    2022-10-16T19:24:20.057+00:00

    It has started to re-occur again. Maybe there is some dead credential that hangs around - regardless it feels like a bug in Azure.


  3. Bojan Ilic 1 Reputation point
    2022-11-17T09:11:13.61+00:00

    I was getting these errors until I've turned off add blocker.

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