If the common name needs to be changed, the only way to do so is by cancelling and reordering the certificate. Related posts: I haven’t received my Domain Control Validation email (DCV) yet. What should I do? Can I switch my method of Domain Control validation from Email to File, or vice versa? I entered in the wrong common name, how do I change it? Can I use the email address listed in the Whois to complete Domain Control Verification (DCV)?