Create two customization specifications, one for Linux and one for Windows, for use by the virtual machines you deploy. You use the customization specifications later when you create blueprints for use with vRealize Automation.

Customization specifications are XML files that contain system configuration settings for the guest operating systems used by virtual machines. When you apply a specification to a guest operating system during virtual machine cloning or deployment, you prevent conflicts that might result if you deploy virtual machines with identical settings, such as duplicate computer names.