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--- title: CLI reference for `azcmagent extension` description: Syntax for the `azcmagent extension` command line tool ms.topic: reference ms.date: 12/01/2025 # Customer intent: "As a system administrator managing Azure Arc extensions, I want to use the command-line interface to list and uninstall extensions on my machine, so that I can efficiently control the installed extensions even in a disconnected state." --- # `azcmagent extension` Local management of Azure Arc extensions installed on the machine. These commands can be run even when a machine is in a disconnected state. The extension manager must be stopped before running any of these commands. Stopping the extension manager interrupts any in-progress extension installs, upgrades, and removals. To disable the extension manager, run `Stop-Service ExtensionService` on Windows or `systemctl stop extd`. When you're done managing extensions locally, start the extension manager again with `Start-Service ExtensionService` on Windows or `systemctl start extd` on Linux. ## Commands | Command | Purpose | | ------- | ------- | | [azcmagent extension list](#azcmagent-extension-list) | Lists extensions installed on the machine | | [azcmagent extension remove](#azcmagent-extension-remove) | Uninstalls extensions on the machine | ## `azcmagent extension list` Lists extensions installed on the machine. ### Usage ``` azcmagent extension list [flags] ``` ### Examples See which extensions are installed on your machine: ``` azcmagent extension list ``` ### Flags This command supports the flags described in [Common flags](azcmagent.md#common-flags). ## `azcmagent extension remove` Uninstalls extensions on the machine. ### Usage ``` azcmagent extension remove [flags] ``` ### Examples Remove the `AzureMonitorWindowsAgent` extension from the local machine: ``` azcmagent extension remove --name AzureMonitorWindowsAgent ``` Remove all extensions from the local machine: ``` azcmagent extension remove --all ``` ### Flags This command supports the flags described in [Common flags](azcmagent.md#common-flags) and the flags listed in this section. `--all`, `-a` Removes all extensions from the machine. `--name`, `-n` Removes the specified extension from the machine. Use [azcmagent extension list](#azcmagent-extension-list) to get the name of the extension.