HP 262586-B21 - IP Console Switch 3x1x16 KVM User Manual page 304

Another valid way to UPN is to change the first part to have the form: <first name>.<last name>. The UID
mask does not need to change because the period between the first name and the last name is not a
token delimiter. So, the UID mask remains as in the preceding figure, while the credentials entered in the
login dialog of the client application become the following.
LDAP client behavior overview 304