The Load Balancer Health Check needs to be disabled in case applying Windows Updates takes longer than the Health Check allows for.
1. In the AWS Console EC2 sidebar, select Load Balancers. Select the Load Balancer created by the stack e.g. starting with LansaStac
2. Click on the Health Check tab
3. Click on the Edit Health Check button. Change the fields to match this image:
4. Click on Save.