AWS Error : None of these Availability Zones contains a healthy target. Requests are being routed to all targets. in AWS

Question

I have created a Application Load Balance in Aws. I have created 2 EC2 and make them a group. After that I add that group to the ALB with listener 80.

But when the syste

Answer 1

I encountered a similar issue while learning to setup load balancer for my EC2 instance.

It turns out that under Target Groups:

the "path" under the "Health Check" tab was not registered although it showed the correct value "/".

Therefore I just edited the path value(by clicking the "edit health check") to "/" and saved it again just so that the system can register that value. (you could also try saving it to some other value, say "/health", first and then saving it back to "/")

This seemed to fix my problem.