Migrating to Azure Monitor Agent

Up to Date

Article from ADMIN 76/2023
The replacement for the Log Analytics Agent has improved security and cost efficiency, better manageability, and greater reliability – and you must migrate to this new solution by the end of 2024.

Microsoft announced the general availability of the Azure Monitor Agent back in 2021 after the consolidation of existing monitoring solutions for the Azure cloud environment. Companies that still use the legacy Log Analytics Agent need to think about making the change in good time because it will reach its end of support in 2024. In this article, I look at how the previous agent and the new kid on the block differ and what you need to do to make the switch.

Azure Monitor sees itself as a hub for bringing together a wide variety of monitoring signals, as a data repository for metrics, as a collection point for analytics services of various kinds, and as a visualization tool. Thanks to its smart alerting function, the tool is also a hub for automation, bringing together various Azure services under the umbrella of a common interface.

One of these services is Log Analytics – the Azure-styled evolution of Operations Manager Suite. In the Azure cosmos, Log Analytics is the tool that processes log queries against the data acquired by Azure Monitor. It supports interactive data analysis and forms the basis for numerous other Azure features and services such as Microsoft Sentinel, Azure Automation Update Management, or Azure Automation Desired State Configuration.

Data Preparation with Log Analytics

When admins discuss log analytics, talk often turns to metrics and logs. Metrics are numeric, usually unidimensional values that describe an aspect of a system at a particular point in time. In contrast, logs contain different types of data organized as records with different properties for each type. Sending and storing metrics is an inherent part of virtually any Azure resource. The data can always be collected, stored, and analyzed directly in Azure Monitor with the Metrics Explorer for platform as a service (PaaS) and for infrastructure as a service (IaaS) – with a couple of

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