AMA creating group in linux VM

Abrar Adil S 421 Reputation points
2025-12-01T11:00:21.5366667+00:00

Hello Team,

We have seen a unusual behavior where the AMA agent is self-creating a group on Linux devices. This is something we have not encountered previously,

**Group Name- azuremetricsext
**
There is no Microsoft Document which clearly explains this type of behavior on the Linux Devices, would be helpful if someone can help to point out the right documentation.

#linux #AMA

Azure Monitor
Azure Monitor
An Azure service that is used to collect, analyze, and act on telemetry data from Azure and on-premises environments.
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  1. Siva shunmugam Nadessin 3,025 Reputation points Microsoft External Staff Moderator
    2025-12-01T11:28:32.5433333+00:00

    Hello Abrar Adil S,

    Thanks for posting your question in the Microsoft Q&A forum.

    Here’s some information that might help you understand the situation better.

    Understanding the Issue

    The Azure Monitor Agent collects various performance metrics and logs from your VM, and sometimes it may create system groups or users depending on its configuration and operational needs. However, the creation of a group like azuremetricsext should ideally be documented.

    Suggested Actions

    Check the AMA Configuration: Review your Data Collection Rules (DCRs) and any custom configurations you may have set up. Ensure that nothing in your DCR or performance counters is triggering this behavior.

    Monitoring Logs: Investigate the logs for the Azure Monitor Agent on your Linux VM. Logs may provide insights into why this group was created:

    Cat->var->opt->Microsoft->azuremonitoragent->logs->azuremonitoragent.log

    Review System Changes: Look into the history of any recent changes made on the VM or the Azure environment, such as the updates or modifications to the data collection settings.

    Reference Documentation

    While I wasn't able to find specific documentation on the creation of this particular group, here are a few resources that might help you understand and troubleshoot the AMA better:

    Let me know if you have further questions?


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