AZ503704 - Public Preview: Dynamic threshold for Log search alerts

Azure Updates

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Published

Nov 18, 2025

Status

In preview

Timeline

  • November 2025
    Preview
  • September 2024
    Private Preview

Product

Azure Monitor

Tag

Microsoft Ignite
Features

Category

DevOps
Management and governance

Description

We’re bringing Azure Monitor’s dynamic threshold capabilities to Log search alerts!
Using dynamic thresholds means you don't have to know the right threshold for each Log alert rule - Dynamic thresholds calculate the most appropriate thresholds for you.

Key benefits
Dynamic thresholds apply advanced machine learning and use a set of algorithms and methods to:

  1. Learn the historical behavior of log query results.
  2. Analyze these results over time and identify hourly / daily / weekly seasonal patterns.
  3. Calculate the most appropriate thresholds for log alert rules.
  4. Adapt automatically to changes in data patterns and adjust the threshold accordingly.
  5. At-scale monitoring - in rule monitoring multiple dimensions - the Dynamic threshold is calculated individually, per dimension combination.