Check the health of your Application Load Balancer targets - Elastic Load Balancing
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Check the health of your Application Load Balancer targets

You can check the health status of the targets registered with your target groups.

To check the health of your targets using the console

  1. Open the Amazon EC2 console at https://console.amazonaws.cn/ec2/.

  2. On the navigation pane, under Load Balancing, choose Target Groups.

  3. Choose the name of the target group to open its details page.

  4. On the Targets tab, the Status column indicates the status of each target.

  5. If the status is any value other than Healthy, the Status details column contains more information. For help with health check failures, see Troubleshooting.

To check the health of your targets using the Amazon CLI

Use the describe-target-health command. The output of this command contains the target health state. If the status is any value other than Healthy, the output also includes a reason code.

To receive email notifications about unhealthy targets

Use CloudWatch alarms to trigger a Lambda function to send details about unhealthy targets. For step-by-step instructions, see the following blog post: Identifying unhealthy targets of your load balancer.