That's a strange issue I've not seen before. But before I dig too deep, I'd like to make sure that you're using the cli correctly. If you just run util/admins with no arguments, it lists all the accounts on the system. You're only an admin if there's an asterisk next to your name.
'util/admins list' shows who the admins are. 'util/admins --help' if you want to see more usage options.