AWS 2018 - By Service Section - FAQs > AWS Directory Service | IAM integration > Flashcards
Can I join existing EC2 for Windows Server instances seamlessly to a domain?
IAM integration
AWS Directory Service | Security, Identity & Compliance
You cannot use the seamless domain join feature from the AWS Management Console for existing EC2 for Windows Server instances, but you can join existing instances to a domain using the EC2 API or by using PowerShell on the instance. To learn more, see the documentation.