You can improve the identification of very similar fingerprints on the Biometrics device. By default, the medium level of identification will differentiate about 1 person out of 50. These options will allow to narrow down the result by using a higher scoring result.
To only use a high identification score level, add the following line in [Miscellaneous] section of the Bo.ini file found in C:\Posera\MaitreD\Data;
To scan the whole database and see if the fingerprint matches more then one employee, add the following line in [Miscellaneous] section of the Bo.ini file found in C:\Posera\MaitreD\Data ;