Sou aluno(a) de especialização, mestrado ou doutorado, estou tentando criar um e-mail institucional e aparece a seguinte mensagem: "Este CPF já possui uma conta de e-mail cadastrada".

Your browser was not able to communicate with OTRS properly, there seems to be something wrong with your network connection. You could either try reloading this page manually or wait until your browser has re-established the connection on its own.