Your account already has a valid ios distribution certificate. 7월 27, 2017 ２台目の開発端末でipa作成時、エラー Your account already has a valid ios distribution certificate. ... 1. 1台目(ipa書き出せる)からp12を書き出し -- keychains -- ログイン、認証書 -- 書き出し 2. 2台目にp12を設置 -- double click -- Xcode 再起動 자세한 내용 보기