XP joins domain, but won't let the user login

[Dragos]

[2001/12/03 13:44:39, 0]rpc_server/srv_samr_nt.c:_samr_query_useraliases(2454)
  _samr_query_useraliases: Not yet implemented.
that's what I get.
samba 2.2.1a/rh 7.1
will samba 2.2.2 cure it?

dragos