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  • Sean Thorne 1 post 76 karma points c-trib
    Apr 18, 2019 @ 14:23
    Sean Thorne

    Serilog to App Insights?


    Fairly new to Umbraco and am using version 8, can anyone help me / push me in the right direction on how to configure Application Insights to work with Umbraco's internal Logging.

    I'd like to be able to see all Logs that created pushed through to app insights

  • Dave de Moel 121 posts 573 karma points c-trib
    Apr 19, 2019 @ 11:43
    Dave de Moel

    To push Umbraco log messages from serilog to App Insights you need to use the correct "sink".

    You can find the package for the sink here:

    And the documentation here:

  • Pankaj Nainwal 4 posts 24 karma points
    Jun 03, 2020 @ 17:54
    Pankaj Nainwal

    Hi Sean, were you able to implement this? Can you post some learnings.

  • Mario Lopez 167 posts 930 karma points MVP 3x c-trib
    Jun 17, 2020 @ 06:53
    Mario Lopez

    You need to install the nuget that Dave said. Then you have to configure it in the '~/config/serilog.user.config' as:

      <add key="serilog:using:ApplicationInsights" value="Serilog.Sinks.ApplicationInsights"/>
      <add key="serilog:write-to:ApplicationInsights.telemetryConverter" value="Serilog.Sinks.ApplicationInsights.Sinks.ApplicationInsights.TelemetryConverters.TraceTelemetryConverter, Serilog.Sinks.ApplicationInsights"/>
      <add key="serilog:minimum-level:override:Microsoft" value="Warning" />

    Check the configuration of the package and try to 'translate' it to the XML configuration if you need something else, but that should give you a start ;)

  • Daniel Bardi 926 posts 2561 karma points
    Nov 07, 2022 @ 17:19
    Daniel Bardi

    I added the settings to my serilog.user.config and now get the following error:

    Invalid cast from 'System.String' to 'Serilog.Sinks.ApplicationInsights.TelemetryConverters.ITelemetryConverter'.

    .. Any assistance would be appreciated.

  • Keith Lawrence 3 posts 74 karma points
    Dec 06, 2022 @ 13:36
    Keith Lawrence

    I got this error after upgrading a working version of Serilog.Sinks.ApplicationInsights to v4.0.0 - rolling back to 3.1.0 fixed the issue.

  • Gavin Williams 41 posts 212 karma points
    Nov 13, 2020 @ 13:19
    Gavin Williams

    Hi Sean. Were you able to get this to work? For example, how did you configure the instrumentation key and/or connection string so it knows which appinsights instance to write to?

  • Frederik T 234 posts 345 karma points
    15 days ago
    Frederik T

    In case anyone else stumbles over this from Google: I added application insights to an existing Umbraco 8.18 installation, and a combination of solutions worked:

    Using the manual installation guide here (automatic didnt work):

    Then Mario Lopez' solution with serilog in the config, and lastly Keith Lawrence with serilog sink version tip (saved me a couple of hours!).

    Shout out to this guy as well:

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