The operating system administrator login password for Microsoft Windows Amazon Elastic Compute Cloud (EC2) instances used for ArcGIS Enterprise on Amazon Web Services (AWS) is randomly generated. If you want to log in to your ArcGIS Enterprise on Amazon Web Services Microsoft Windows instances through Remote Desktop, use AWS tools to get the decrypted password. You can keep this password, or you can log in and change it to something you can more easily remember. Password policies at your site might also require that you change this password on a regular basis.
Instructions for obtaining and changing the administrator password for an Amazon Elastic Compute Cloud instance are available in the AWS knowledge center: