As Connect Admin, can I enforce Registered Users only at the account level instead of meeting level?

I know that meeting hosts can choose the option "Only registered users may enter the room (guest access is blocked)". Is there a way for an Administrator to set that at the account level so that no meetings can allow in guests? I went through all the Compliance and Control settings and the Account settings, and I cannot see any way to enforce across the account. Is it possible or do we have to rely on the hosts to keep the meetings secure?