Why does Elastic Load Balancing report 'Out of Service'?

Question

I am trying to set up Elastic Load Balancing (ELB) in AWS to split the requests between multiple instances. I have created several images of my webserver based on the same AMI,

Answer 1

I got the same error, in my case had to copy the particular html file from s3 bucket to "/var/www/html" location. The same html referenced in load balancer path.

The issue resolved after copying html file.