[Samba] Problem Joining to Domain with XP Pro

[Ricardo MORENO]

I'm using samba 2.2.4 and want to join my domain, Win98 and NT 4.0 join 
problem less but i try to join a XP Pro and get access denied and this is my 
log 

[root at server samba]# cat svcd.log
[2002/05/15 14:47:43, 0] rpc_server/srv_samr.c:api_samr_set_userinfo(670)
 api_samr_set_userinfo: Unable to unmarshall SAMR_Q_SET_USERINFO.
[2002/05/15 14:47:43, 0] passdb/pdb_smbpasswd.c:pdb_getsampwrid(1416)
 unable to open passdb database.
[2002/05/15 14:55:42, 0] rpc_server/srv_samr.c:api_samr_set_userinfo(670)
 api_samr_set_userinfo: Unable to unmarshall SAMR_Q_SET_USERINFO.
[2002/05/15 14:55:42, 0] passdb/pdb_smbpasswd.c:pdb_getsampwrid(1416)
 unable to open passdb database. 

What's wrong..??   any idea.?