Users Access - AD Authentication - User can't log in?

I have a user who's having troubles logging into one of my servers, that is authenticating with AD. After glancing over /etc/passwd, I found the users account is different than mine and others who aren't having any issues. What's the difference between these two accounts? What's the "1 60 14 60" ? User1, is the one having problems, myself (user2), is just fine.

[root@server ~]# passwd -S user1
user1 LK 2014-11-12 1 60 14 60 (Password locked.)

[root@server ~]# passwd -S user2
user2 LK 2014-05-21 0 99999 7 -1 (Password locked.)

man passwd :

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