Quote Originally Posted by disturbedcobra View Post
That is actually partially incorrect as you log-in to the forums with your SE/FFXIV account. So if that account is banned so is your access to the forum on that corresponding account. You will still be able to access it with a different account though.
From what i've been told, it is separate and you can be ban from one while still being able to do the other. Depending on the ban I guess. If your account is delete altogether yes won't be able to do much.