samba - Oct 2003 - smbpasswd -r -U not working agains a windows 2003 server

Hi,

I was using smbpasswd -r -U to change password against a
Windos NT4 PDC without problems.
We had migrated to Windows 2003 server and now when I try
to use smbpasswd -r -U to change password against a 2003
server it complains about invalid password, but, of course,
password is correct.
I already set requiresecuritysignature to 0 on windows
2003 server, but it didn't help.
Using smbclient to access a share on 2003 server works
without problems.
Is there something else that need to be done to make
smbpasswd work?

Thanks.

__________________________________________
Vandeir Eduardo (CCNA)
mailto:vandeir@inf.furb.br
Laborat?rio de Computa??o e Inform?tica (LCI) - Campus IV
Fundacao Universidade Regional de Blumenau (FURB)
Rua Braz Wanka, 238 - CEP: 89.035-160 - Blumenau (SC)
Blumenau, SC, Brasil.
Fone: +55 (047) 321-7819 - Fax: 321-7802