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articles/automation/change-tracking/overview-monitoring-agent.md

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@@ -3,15 +3,13 @@ title: Azure Automation Change Tracking and Inventory overview using Azure Monit
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description: This article describes the Change Tracking and Inventory feature using Azure monitoring agent, which helps you identify software and Microsoft service changes in your environment.
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services: automation
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ms.subservice: change-inventory-management
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ms.date: 10/23/2024
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ms.date: 11/14/2024
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ms.topic: overview
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ms.service: azure-automation
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---
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# Overview of change tracking and inventory using Azure Monitoring Agent
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**Applies to:** :heavy_check_mark: Windows VMs :heavy_check_mark: Linux VMs :heavy_check_mark: Windows Registry :heavy_check_mark: Windows Files :heavy_check_mark: Linux Files :heavy_check_mark: Windows Software :heavy_check_mark: Windows Services & Linux Daemons
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> [!Important]
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> - Change Tracking and Inventory using Log Analytics agent has retired on **31 August 2024** and will work on limited support till **01 February 2025**. Follow the guidelines for [migration from Change Tracking and inventory using Log Analytics to Change Tracking and inventory using Azure Monitoring Agent version](guidance-migration-log-analytics-monitoring-agent.md)
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> - We recommend that you use Change Tracking with Azure Monitoring Agent with the Change tracking extension version 2.20.0.0 (or above) to access the GA version of this service.
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> - [FIM with Change Tracking and Inventory using AMA](https://learn.microsoft.com/azure/defender-for-cloud/migrate-file-integrity-monitoring#migrate-from-fim-over-ama).
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> - [FIM with Change Tracking and Inventory using MMA](https://learn.microsoft.com/azure/defender-for-cloud/migrate-file-integrity-monitoring#migrate-from-fim-over-mma).
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## Support matrix
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## Supported operating systems
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- Windows
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- Linux
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## Supported Resource types
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- Azure VMs
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- Azure Arc-enabled VMs
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## Supported data types
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- Windows registry
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- Windows services
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- Linux Daemons
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## Supported files
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- Windows Files
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- Linux Files
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|**Component**| **Applies to**|
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|---| ---|
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| Operating systems| Windows </br> Linux |
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| Resource types | Azure VMs </br> Azure Arc-enabled VMs |
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| Data types | Windows registry </br> Windows services </br> Linux Daemons |
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| Files | Windows </br> Linux |
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## Key benefits
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- **Multi-homing experience** – Provides standardization of management from one central workspace. You can [transition from Log Analytics (LA) to AMA](/azure/azure-monitor/agents/azure-monitor-agent-migration) so that all VMs point to a single workspace for data collection and maintenance.
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- **Rules management** – Uses [Data Collection Rules](/azure/azure-monitor/essentials/data-collection-rule-overview) to configure or customize various aspects of data collection. For example, you can change the frequency of file collection.
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## Current limitations
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Change Tracking and Inventory using Azure Monitoring Agent doesn't support or has the following limitations:
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- Recursion for Windows registry tracking
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- Network file systems
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- Different installation methods
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- ***.exe** files stored on Windows
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- The **Max File Size** column and values are unused in the current implementation.
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- If you are tracking file changes, it is limited to a file size of 5 MB or less.
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- If the file size appears >1.25MB, then FileContentChecksum is incorrect due to memory constraints in the checksum calculation.
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- If you try to collect more than 2500 files in a 30-minute collection cycle, Change Tracking and Inventory performance might be degraded.
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- If network traffic is high, change records can take up to six hours to display.
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- If you modify a configuration while a machine or server is shut down, it might post changes belonging to the previous configuration.
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- Collecting Hotfix updates on Windows Server 2016 Core RS3 machines.
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- Linux daemons might show a changed state even though no change has occurred. This issue arises because of how the `SvcRunLevels` data in the Azure Monitor [ConfigurationChange](/azure/azure-monitor/reference/tables/configurationchange) table is written.
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- Change Tracking extension doesn't support any hardening standards for any Linux Operating systems or Distros.
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## Limits
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:::image type="content" source="media/overview-monitoring-agent/frequency-slider-inline.png" alt-text="Screenshot of frequency slider." lightbox="media/overview-monitoring-agent/frequency-slider-expanded.png":::
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## Current limitations
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Change Tracking and Inventory using Azure Monitoring Agent doesn't support or has the following limitations:
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- Recursion for Windows registry tracking
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- Network file systems
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- Different installation methods
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- ***.exe** files stored on Windows
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- The **Max File Size** column and values are unused in the current implementation.
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- If you are tracking file changes, it is limited to a file size of 5 MB or less.
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- If the file size appears >1.25MB, then FileContentChecksum is incorrect due to memory constraints in the checksum calculation.
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- If you try to collect more than 2500 files in a 30-minute collection cycle, Change Tracking and Inventory performance might be degraded.
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- If network traffic is high, change records can take up to six hours to display.
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- If you modify a configuration while a machine or server is shut down, it might post changes belonging to the previous configuration.
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- Collecting Hotfix updates on Windows Server 2016 Core RS3 machines.
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- Linux daemons might show a changed state even though no change has occurred. This issue arises because of how the `SvcRunLevels` data in the Azure Monitor [ConfigurationChange](/azure/azure-monitor/reference/tables/configurationchange) table is written.
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- Change Tracking extension doesn't support any hardening standards for any Linux Operating systems or Distros.
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## Support for alerts on configuration state
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