The is used to determine whether a proposed password is acceptable based on the number of unique characters that it contains. 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 there will be no minimum value 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 a capital letter should not be considered the same as its lower-case counterpart. A value of false indicates that differences in capitalization should be ignored when looking at the number of unique characters in the password. ds-cfg-case-sensitive-validation