[Samba] How to synchronize passwords?

[Gururajan Ramachandran]

I am testing a new installation of samba as a PDC. I manually created the 
users and groups since the old PDC is an ADS Win2k server and the vampire 
process does not work in that situation.

When I log into the Samba PDC domain via a test client running a Winxp 
pro, I have to use the old password instead of the one I created using 
smbpasswd.

How can I synchronize the passwords?

I would rather keep the old passwords if possible.

Also, how do I get samba to use smbpasswd settings to validate the 
passwords?

Thanks,

Guru