ERROR: Password cannot be changed. Reason: password lifetime has passed.

To get rid of this error. First unlock the account.

#/usr/lbin/modprpw -l username

Then reset the password.

#/bin/passwd username

Note

You may set password as non expiry.

#/usr/lbin/modprpw -v username

View the password parameter.

#/usr/lbin/getprpw -l username