MacBook Activation Error: Activation Server Could Not Be Reached (2026) Seeing “The operation couldn’t be completed. Activation Lock status could not be determined because the activation server cannot be reached” on your MacBook? This post explains what the message means and what to check when activation isn’t completing. Have you encountered this error on a MacBook Pro or MacBook Air? #Macbook #macactivation #activationlock #MacbookPro #AppleSupport