I don't know if there is a setting somewhere, but every user created can sign in with a default password of 1234, and their user created password.
Thanks in advance for your help.
AFP settings has an option to allow an admin password to be used for any account.
If you have an admin account with pw 1234, it can be used with any account if this option is enabled.
Its a handy option, but obviously you need secure admin passwords.
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