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Smart detection in Application Insights

Note

You can migrate smart detection on your Application Insights resource to be based on alerts. The migration creates alert rules for the different smart detection modules. After it's created, you can manage and configure these rules like any other Azure Monitor alert rules. You can also configure action groups for these rules to enable multiple methods of taking actions or triggering notification on new detections.

For more information, see Smart detection alerts migration.

Smart detection automatically warns you of potential performance problems and failure anomalies in your web application. It performs proactive analysis of the telemetry that your app sends to Application Insights. If there's a sudden rise in failure rates or abnormal patterns in client or server performance, you get an alert. This feature needs no configuration. It operates if your application sends enough telemetry.

You can access the detections issued by smart detection from the emails you receive and from the smart detection pane.

Review your smart detections

You can discover detections in two ways:

  • You receive an email from Application Insights. Here's a typical example:

    Screenshot that shows an email alert.

    Select See the analysis of this issue to see more information in the portal.

  • The smart detection pane in Application Insights. Under the Investigate menu, select Smart Detection to see a list of recent detections.

    Screenshot that shows recent detections.

Select a detection to view its details.

What problems are detected?

Smart detection detects and notifies you about various issues:

The help links in each notification take you to the relevant articles.

Smart detection email notifications

All smart detection rules, except for rules marked as preview, are configured by default to send email notifications when detections are found.

You can configure email notifications for a specific smart detection rule. On the smart detection Settings pane, select the rule to open the Edit rule pane.

Alternatively, you can change the configuration by using Azure Resource Manager templates. For more information, see Manage Application Insights smart detection rules by using Azure Resource Manager templates.

Next steps

These diagnostic tools help you inspect the telemetry from your app:

Smart detection is automatic, but if you want to set up more alerts, see: