<p>Updates the Amazon ECS container agent on a specified container instance. Updating the Amazon ECS container agent doesn't interrupt running tasks or services on the container instance. The process for updating the agent differs depending on whether your container instance was launched with the Amazon ECS-optimized AMI or another operating system.</p> <note> <p>The <code>UpdateContainerAgent</code> API isn't supported for container instances using the Amazon ECS-optimized Amazon Linux 2 (arm64) AMI. To update the container agent, you can update the <code>ecs-init</code> package. This updates the agent. For more information, see <a href="https://docs.aws.amazon.com/AmazonECS/latest/developerguide/agent-update-ecs-ami.html">Updating the Amazon ECS container agent</a> in the <i>Amazon Elastic Container Service Developer Guide</i>.</p> </note> <note> <p>Agent updates with the <code>UpdateContainerAgent</code> API operation do not apply to Windows container instances. We recommend that you launch new container instances to update the agent version in your Windows clusters.</p> </note> <p>The <code>UpdateContainerAgent</code> API requires an Amazon ECS-optimized AMI or Amazon Linux AMI with the <code>ecs-init</code> service installed and running. For help updating the Amazon ECS container agent on other operating systems, see <a href="https://docs.aws.amazon.com/AmazonECS/latest/developerguide/ecs-agent-update.html#manually_update_agent">Manually updating the Amazon ECS container agent</a> in the <i>Amazon Elastic Container Service Developer Guide</i>.</p>

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    "created_at": "2025-01-01T00:00:00Z"
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{
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