The is used to determine whether a proposed password is acceptable based on the number of unique characters that it contains. This validator can be used to prevent simple passwords that contain only a few characters like "aabbcc" or "abcabc". ds-cfg-unique-characters-password-validator ds-cfg-password-validator org.opends.server.extensions.UniqueCharactersPasswordValidator Specifies the minimum number of unique characters that a password will be allowed to contain. A value of zero indicates that no minimum value is enforced. ds-cfg-min-unique-characters Indicates whether this password validator should treat password characters in a case-sensitive manner. A value of true indicates that the validator does not consider a capital letter to be the same as its lower-case counterpart. A value of false indicates that the validator ignores differences in capitalization when looking at the number of unique characters in the password. ds-cfg-case-sensitive-validation