errors when trying to connect to a samba share after upgrading to 4.0.15

[David Pendell]

After upgrading to Samba 4.0.15 I have been getting problems when trying to
connect to a samba server, either samba 3 or samba 4. The error that I get
is: Aquiring initiator credentials failed: kinit for
administrator at EXAMPLE.COM failed (Clock skew too great)

Has something changed in the smb.conf file? Is there a new parameter?