Release notes for Azure Arc-enabled VM extensions - July 25

For Azure Arc-enabled machines, two extensions are installed. For more information, see How Update Manager works

The Azure Arc-enabled VM extensions receive improvements on an ongoing basis. This article provides you with the following information to help you stay up to date with the latest developments:

• The latest releases
• Known issues
• Bug fixes

Windows extension

Update this when future versions are released.

Linux extensions

July 2025

Extension name: Microsoft.SoftwareUpdateManagement.LinuxOsUpdateExtension

Extension Version: 1.0.55.0

Added support for management of following distributions:

• Ubuntu 24
• Debian 12

In previous releases, patching an Ubuntu 24.04 server failed with the error: E: the list of sources couldn't be read.

Next steps

• How Update Manager works
• Prerequisites of Update Manager
• View updates for a single machine.
• Deploy updates now (on-demand) for a single machine.
• Enable periodic assessment at scale using policy.
• Manage update settings via the portal.
• Manage multiple machines by using Update Manager.