Thursday, February 22, 2024

Classic Azure Application Insights deprecated on February 29th 2024 - 7 days to go

 If you missed it - classic Azure Application Insights will be deprecated on February 29th 2024. If you missed the different notification e-mails, you can quite easily see the warning if you navigate to an Azure Application Insights resource in Azure Portal.


Migration is actually quite easy - you just click on the link provided and this will open up the menu depicted below which allows you to associate your Azure Application Insights resource to a Log Analytics Workspace. The good news is that there are no pricing changes when moving to the workspace-based model. 




As indicated in the migration window, this is  a one way operation so plan for it in advance - the points below might impact on how you will do the migration:

  • You can link different Application Insight resources to a single Log Analytics workspace or you can make the split - in most case you want to consolidate it.
  • Instrumentation keys do not change during the migration so you don't need to worry about this
  • The export feature is not available on the Application Insights workspace-based resources - you need to look at diagnostic settings for exporting telemetry
  • There might be some schema changes - important to consider when doing KQL queries - check out query data across Log Analytics workspaces, applications and resources in Azure Monitor
  • Existing log data will not immediately move to the Log Analytics workspace - only new logs generated after the migration will be stored in the new log location.


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