leaving and rejoining domain

[Luke Kenneth Casson Leighton]

> When you tell the WinNT machines to re-join the domain
> they will start again with the initial (known) password
> of machine name in lower case as UNICODE, md4 hashed.
> 
> Thus you need to reset the smbpasswd machine entry to
> match this.

if microsoft tells us the format of "add sam database user" entry i can
fix this.