Before an app can be distributed, your team must have a valid distribution certificate linked to a distribution provisioning profile. Only team admins can create or install a distribution certificate. Each team can have only one active distribution certificate. The team admin can either use Xcode to create a distribution certificate or manually request and download one from iOS Provisioning Portal. A team’s distribution certificate allows a developer to build an app for distribution. If your team wants to use another Mac to create a distribution build, you need to transfer a copy of the distribution certificate as described in, “Safeguarding and Transferring Your Signing and Provisioning Assets” in Tools Workflow Guide for iOS . Using Xcode to Create a Distribution Certificate You should use Xcode to create your distribution certificate. Xcode creates, downloads, and installs a development certificate, distribution certificate, and the iOS Team Provisioning Pro...