As part of our technology refresh for the Acquia platform, Acquia is moving customers currently outside of a Virtual Private Cloud (VPC) into a VPC environment. During this migration process, customers with applications that include Elastic Load Balancers (ELBs) will need to update their DNS prior to their technology refresh maintenance window.
To update your DNS, login to your Acquia Cloud Enterprise subscription through the Acquia Cloud user interface. Once you have logged in, select your application, then your production environment.
Click on the "Domains" tab on the left side, as shown below:
Listed under your domains, you will see a new domain available:
This is the address that you should repoint your DNS to in order to ensure your application remains available during your application's technology refresh maintenance window.
For additional instructions on setting your DNS, visit our article, "DNS settings with an Elastic Load Balancer."