Merge pull request #226439 from rpsqrd/auto-extension-upgrade

Auto extension upgrade timing guidance

Author: prmerger-automator[bot]

articles/azure-arc/servers/manage-automatic-vm-extension-upgrade.md

@@ -44,6 +44,10 @@ If an extension upgrade fails, Azure will try to repair the extension by perform
 
 If you continue to have trouble upgrading an extension, you can [disable automatic extension upgrade](#manage-automatic-extension-upgrade) to prevent the system from trying again while you troubleshoot the issue. You can [enable automatic extension upgrade](#manage-automatic-extension-upgrade) again when you're ready.
 
+### Timing of automatic extension upgrades
+
+When a new version of a VM extension is published, it becomes available for installation and manual upgrade on Arc-enabled servers. For servers that already have the extension installed and automatic extension upgrade enabled, it may take up to 5 weeks for every server with that extension to get the automatic upgrade. Upgrades are issued in batches across Azure regions and subscriptions, so you may see the extension get upgraded on some of your servers before others. If you need to upgrade an extension immediately, follow the guidance to manually upgrade extensions using the [Azure portal](manage-vm-extensions-portal.md#upgrade-extensions), [Azure PowerShell](manage-vm-extensions-cli.md#upgrade-extensions) or [Azure CLI](manage-vm-extensions-powershell.md#upgrade-extension).
+
 ## Supported extensions
 
 Automatic extension upgrade supports the following extensions: