Merge pull request #277475 from johnmarco/jm-arc-update-agent-window

Arc servers: Added agent upgrade warning

Author: prmerger-automator[bot]

articles/azure-arc/servers/agent-overview.md

@@ -9,6 +9,10 @@ ms.topic: conceptual
 
 The Azure Connected Machine agent enables you to manage your Windows and Linux machines hosted outside of Azure on your corporate network or other cloud providers.
 
+> [!WARNING]
+> Only Connected Machine agent versions within the last 1 year are officially supported by the product group. Customers should update to an agent version within this window.
+> 
+
 ## Agent components
 
 :::image type="content" source="media/agent-overview/connected-machine-agent.png" alt-text="Azure Connected Machine agent architectural overview." border="false":::

articles/azure-arc/servers/agent-release-notes.md

@@ -16,6 +16,10 @@ The Azure Connected Machine agent receives improvements on an ongoing basis. To
 
 This page is updated monthly, so revisit it regularly. If you're looking for items older than six months, you can find them in [archive for What's new with Azure Connected Machine agent](agent-release-notes-archive.md).
 
+> [!WARNING]
+> Only Connected Machine agent versions within the last 1 year are officially supported by the product group. Customers should update to an agent version within this window.
+> 
+
 ## Version 1.42 - May 2024 (Second Release)
 
 Download for [Windows](https://download.microsoft.com/download/9/6/0/9600825a-e532-4e50-a2d5-7f07e400afc1/AzureConnectedMachineAgent.msi) or [Linux](manage-agent.md#installing-a-specific-version-of-the-agent)