Plan your deployment Before you install Advanced Threat Defense, verify that you have everything you need, and that your environment meets the minimum system requirements. Requirements To ensure that your deployment is successful, your environment must meet the minimum requirements. Hardware specificationsBefore you set up the Advanced Threat Defense Appliance, review the hardware specifications. System environmental limits These are the system environmental limits for the Advanced Threat Defense Appliance. Default ports used in Advanced Threat Defense communicationThe Advanced Threat Defense Appliance uses many ports for network communications. Warnings and cautionsRead and follow these safety warnings when you install the Advanced Threat Defense Appliance. Failure to observe these safety warnings could result in serious physical injury. Deployment checklist To make sure that your network is ready to set up Advanced Threat Defense, review the deployment checklist.