Help Center/ Auto Scaling/ User Guide (Kuala Lumpur Region)/ FAQs/ Instance/ Why Instances in an AS Group Keep Failing Health Checks and Getting Deleted and Recreated?
Updated on 2022-08-15 GMT+08:00

Why Instances in an AS Group Keep Failing Health Checks and Getting Deleted and Recreated?

The rules of security group that the instances are in must allow access from the 100.125.0.0/16 network segment over the protocol and port used by ELB for health checks, or the health checks will fail. As a result, the instances will be deleted and created again and again.