[Samba] Windows XP + Samba

[Fernando]

I am trying to make windows XP to legalize in the SAMBA,
I configured the samba to be dominio Master all perfect one.
I obtain until adding the XP for dominio of the samba.

Now it comes the problems:

1.  Always that I effect login, appears a screen for password change.  How
to remove this?
2.  I do not want to be moving of profile, I want one profile for all the
usuarios that to login in that one scheme, as to make this?

Fernando