>>Hi,
>>
>>In a program that uses Sing-Factor Authentication (user ID and Password) I understand that each ID has to be unique. Does each user Password have to be unique too or duplicates are allowed?
>>
>>TIA
>
>If people can only log in using only a password, this password must "by definition" be unique. How should the system be able to differentiate who logs on if duplicates were allowed?
I wrote that the authentication is to be done on both ID and the password, not only by a password.
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