Defines the minimum number of upper case alphabetic characters in a password. In setting the minupperalpha attribute, the password must contain an upper case alphabetic character when it is changed by the user.
Solution
In /etc/security/user, set the default user stanza minupperalpha attribute to 1- chsec -f /etc/security/user -s default -a minupperalpha=1 This means that there must be at least 1 upper case alphabetic character within an 8 character user password.