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Merge pull request #218340 from hestolz/hestolz/ama-tst-warning
[AMA] Add (hidden) warning about table format
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‎articles/azure-monitor/agents/azure-monitor-agent-extension-versions.md

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# Azure Monitor agent extension versions
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This article describes the version details for the Azure Monitor agent virtual machine extension. This extension deploys the agent on virtual machines, scale sets, and Arc-enabled servers (on premise servers with Azure Arc agent installed).
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This article describes the version details for the Azure Monitor agent virtual machine extension. This extension deploys the agent on virtual machines, scale sets, and Arc-enabled servers (on premise servers with Azure Arc agent installed).
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We strongly recommended to update to the latest version at all times, or opt in to the [Automatic Extension Update](../../virtual-machines/automatic-extension-upgrade.md) feature.
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[//]: # "DO NOT change the format (column schema, etc.) of the below table without consulting glinuxagent alias. The [Azure Monitor Linux Agent Troubleshooting Tool](https://github.com/Azure/azure-linux-extensions/blob/master/AzureMonitorAgent/ama_tst/AMA-Troubleshooting-Tool.md) parses the below table at runtime to determine the latest version of AMA; altering the format could degrade some of the functions of the tool."
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## Version details
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| Release Date | Release notes | Windows | Linux |
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|:---|:---|:---|:---|
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| August 2022 | **Common updates** <ul><li>Improved resiliency: Default lookback (retry) time updated to last 3 days (72 hours) up from 60 minutes, for agent to collect data post interruption. This is subject to default offline cache size of 10gigabytes</li><li>Fixes the preview custom text log feature that was incorrectly removing the *TimeGenerated* field from the raw data of each event. All events are now additionally stamped with agent (local) upload time</li><li>Reliability and supportability improvements</li></ul> **Windows** <ul><li>Fixed datetime format to UTC</li><li>Fix to use default location for firewall log collection, if not provided</li><li>Reliability and supportability improvements</li></ul> **Linux** <ul><li>Support for OpenSuse 15, Debian 11 ARM64</li><li>Support for coexistence of Azure Monitor agent with legacy Azure Diagnostic extension for Linux (LAD)</li><li>Increased max-size of UDP payload for Telegraf output to prevent dimension truncation</li><li>Prevent unconfigured upload to Azure Monitor Metrics destination</li><li>Fix for disk metrics wherein *instance name* dimension will use the disk mount path(s) instead of the device name(s), to provide parity with legacy agent</li><li>Fixed *disk free MB* metric to report megabytes instead of bytes</li></ul> | 1.8.0.0 | 1.22.2 |
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| July 2022 | Fix for mismatch event timestamps for Sentinel Windows Event Forwarding | 1.7.0.0 | None |
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| June 2022 | Bugfixes with user assigned identity support, and reliability improvements | 1.6.0.0 | None |
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| Release Date | Release notes | Windows | Linux |
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|:---|:---|:---|:---|
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| August 2022 | **Common updates** <ul><li>Improved resiliency: Default lookback (retry) time updated to last 3 days (72 hours) up from 60 minutes, for agent to collect data post interruption. This is subject to default offline cache size of 10gigabytes</li><li>Fixes the preview custom text log feature that was incorrectly removing the *TimeGenerated* field from the raw data of each event. All events are now additionally stamped with agent (local) upload time</li><li>Reliability and supportability improvements</li></ul> **Windows** <ul><li>Fixed datetime format to UTC</li><li>Fix to use default location for firewall log collection, if not provided</li><li>Reliability and supportability improvements</li></ul> **Linux** <ul><li>Support for OpenSuse 15, Debian 11 ARM64</li><li>Support for coexistence of Azure Monitor agent with legacy Azure Diagnostic extension for Linux (LAD)</li><li>Increased max-size of UDP payload for Telegraf output to prevent dimension truncation</li><li>Prevent unconfigured upload to Azure Monitor Metrics destination</li><li>Fix for disk metrics wherein *instance name* dimension will use the disk mount path(s) instead of the device name(s), to provide parity with legacy agent</li><li>Fixed *disk free MB* metric to report megabytes instead of bytes</li></ul> | 1.8.0.0 | 1.22.2 |
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| July 2022 | Fix for mismatch event timestamps for Sentinel Windows Event Forwarding | 1.7.0.0 | None |
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| June 2022 | Bugfixes with user assigned identity support, and reliability improvements | 1.6.0.0 | None |
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| May 2022 | <ul><li>Fixed issue where agent stops functioning due to faulty XPath query. With this version, only query related Windows events will fail, other data types will continue to be collected</li><li>Collection of Windows network troubleshooting logs added to 'CollectAMAlogs.ps1' tool</li><li>Linux support for Debian 11 distro</li><li>Fixed issue to list mount paths instead of device names for Linux disk metrics</li></ul> | 1.5.0.0 | 1.21.0 |
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| April 2022 | <ul><li>Private IP information added in Log Analytics <i>Heartbeat</i> table for Windows and Linux</li><li>Fixed bugs in Windows IIS log collection (preview) <ul><li>Updated IIS site column name to match backend KQL transform</li><li>Added delay to IIS upload task to account for IIS buffering</li></ul></li><li>Fixed Linux CEF syslog forwarding for Sentinel</li><li>Removed 'error' message for Azure MSI token retrieval failure on Arc to show as 'Info' instead</li><li>Support added for Ubuntu 22.04, RHEL 8.5, 8.6, AlmaLinux and RockyLinux distros</li></ul> | 1.4.1.0<sup>Hotfix</sup> | 1.19.3 |
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| March 2022 | <ul><li>Fixed timestamp and XML format bugs in Windows Event logs</li><li>Full Windows OS information in Log Analytics Heartbeat table</li><li>Fixed Linux performance counters to collect instance values instead of 'total' only</li></ul> | 1.3.0.0 | 1.17.5.0 |
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| February 2022 | <ul><li>Bugfixes for the AMA Client installer (private preview)</li><li>Versioning fix to reflect appropriate Windows major/minor/hotfix versions</li><li>Internal test improvement on Linux</li></ul> | 1.2.0.0 | 1.15.3 |
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| January 2022 | <ul><li>Syslog RFC compliance for Linux</li><li>Fixed issue for Linux perf counters not flowing on restart</li><li>Fixed installation failure on Windows Server 2008 R2 SP1</li></ul> | 1.1.5.1<sup>Hotfix</sup> | 1.15.2.0<sup>Hotfix</sup> |
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| December 2021 | <ul><li>Fixed issues impacting Linux Arc-enabled servers</li><li>'Heartbeat' table > 'Category' column reports "Azure Monitor Agent" in Log Analytics for Windows</li></ul> | 1.1.4.0 | 1.14.7.0<sup>2</sup> |
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| September 2021 | <ul><li>Fixed issue causing data loss on restarting the agent</li><li>Fixed issue for Arc Windows servers</li></ul> | 1.1.3.2<sup>Hotfix</sup> | 1.12.2.0 <sup>1</sup> |
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| August 2021 | Fixed issue allowing Azure Monitor Metrics as the only destination | 1.1.2.0 | 1.10.9.0<sup>Hotfix</sup> |
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| July 2021 | <ul><li>Support for direct proxies</li><li>Support for Log Analytics gateway</li></ul> [Learn more](https://azure.microsoft.com/updates/general-availability-azure-monitor-agent-and-data-collection-rules-now-support-direct-proxies-and-log-analytics-gateway/) | 1.1.1.0 | 1.10.5.0 |
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| June 2021 | General availability announced. <ul><li>All features except metrics destination now generally available</li><li>Production quality, security and compliance</li><li>Availability in all public regions</li><li>Performance and scale improvements for higher EPS</li></ul> [Learn more](https://azure.microsoft.com/updates/azure-monitor-agent-and-data-collection-rules-now-generally-available/) | 1.0.12.0 | 1.9.1.0 |
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<sup>Hotfix</sup> Do not use AMA Linux versions v1.10.7, v1.15.1 and AMA Windows v1.1.3.1, v1.1.5.0. Please use hotfix versions listed above.
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<sup>1</sup> Known issue: No data collected from Linux Arc-enabled servers
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| February 2022 | <ul><li>Bugfixes for the AMA Client installer (private preview)</li><li>Versioning fix to reflect appropriate Windows major/minor/hotfix versions</li><li>Internal test improvement on Linux</li></ul> | 1.2.0.0 | 1.15.3 |
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| January 2022 | <ul><li>Syslog RFC compliance for Linux</li><li>Fixed issue for Linux perf counters not flowing on restart</li><li>Fixed installation failure on Windows Server 2008 R2 SP1</li></ul> | 1.1.5.1<sup>Hotfix</sup> | 1.15.2.0<sup>Hotfix</sup> |
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| December 2021 | <ul><li>Fixed issues impacting Linux Arc-enabled servers</li><li>'Heartbeat' table > 'Category' column reports "Azure Monitor Agent" in Log Analytics for Windows</li></ul> | 1.1.4.0 | 1.14.7.0<sup>2</sup> |
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| September 2021 | <ul><li>Fixed issue causing data loss on restarting the agent</li><li>Fixed issue for Arc Windows servers</li></ul> | 1.1.3.2<sup>Hotfix</sup> | 1.12.2.0 <sup>1</sup> |
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| August 2021 | Fixed issue allowing Azure Monitor Metrics as the only destination | 1.1.2.0 | 1.10.9.0<sup>Hotfix</sup> |
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| July 2021 | <ul><li>Support for direct proxies</li><li>Support for Log Analytics gateway</li></ul> [Learn more](https://azure.microsoft.com/updates/general-availability-azure-monitor-agent-and-data-collection-rules-now-support-direct-proxies-and-log-analytics-gateway/) | 1.1.1.0 | 1.10.5.0 |
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| June 2021 | General availability announced. <ul><li>All features except metrics destination now generally available</li><li>Production quality, security and compliance</li><li>Availability in all public regions</li><li>Performance and scale improvements for higher EPS</li></ul> [Learn more](https://azure.microsoft.com/updates/azure-monitor-agent-and-data-collection-rules-now-generally-available/) | 1.0.12.0 | 1.9.1.0 |
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<sup>Hotfix</sup> Do not use AMA Linux versions v1.10.7, v1.15.1 and AMA Windows v1.1.3.1, v1.1.5.0. Please use hotfix versions listed above.
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<sup>1</sup> Known issue: No data collected from Linux Arc-enabled servers
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<sup>2</sup> Known issue: Linux performance counters data stops flowing on restarting/rebooting the machine(s)
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## Next steps

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