[Samba] unable to join w2k3 SP1 to samba 3 domain.

[Adam Nielsen]

> I've been running Samba 3.0.28a on Ubuntu for a few months.
> One of my machines is running Windows Server 2008 SP2.
> This machine joined my Samba domain just fine months ago,
> however last week I reinstalled the PDC with Ubuntu and Samba.
> 
> Now I'm unable to rejoin my Windows Server 2008 machine to Samba.
> When I try to join the domain I get this error:
> 
> "The following error occurred attempting to join the domain DEVNET:
> The specified account already exists."

Just a guess, but have you deleted the computer object from AD before
re-adding it?  Or are you using an account with write access to the
object?  If the PC already exists in AD you will need certain privileges
to overwrite it.

Cheers,
Adam.