samba - Aug 2007 - Re-2: Samba using linux root under ADS mode

no I don't have 
invalid users = root

"net rpc rights list -U root"

gives 

Could not connect to server 127.0.0.1
The username or password was not correct.
Connection failed: NT_STATUS_LOGON_FAILURE


smb.conf setting are 


# Samba config file created using SWAT
# from 127.0.0.1 (127.0.0.1)
# Date: 2007/08/17 16:32:50

[global]
        workgroup = MCKENNAGROUP
        realm = LOCAL.MCKENNAGROUP.CO.UK
        server string = Linux File Server
        interfaces = eth0, lo
        bind interfaces only = Yes
        security = ADS
        allow trusted domains = No
        client NTLMv2 auth = Yes
        client lanman auth = No
        client plaintext auth = No
        use kerberos keytab = Yes
        log level = 3
        max log size = 50
        debug timestamp = No
        smb ports = 445
        min protocol = NT1
        acl compatibility = win2k
        announce version = 4.99
        name resolve order = host bcast
        client signing = Yes
        server signing = Yes
        enable asu support = Yes
        deadtime = 15
        fam change notify = No
        socket options = TCP_NODELAY SO_SNDBUF=16384 SO_RCVBUF=16384
IPTOS_THROUGHPUT
        load printers = Yes
        printcap name = cups
        printing = cups
        preferred master = No
        local master = No
        domain master = No
        enhanced browsing = No
        dns proxy = No
        ldap ssl = no
        host msdfs = No
        read only = No
        create mask = 0660
        security mask = 0770
        directory mask = 0770
        directory security mask = 0770
        use sendfile = Yes
        csc policy = disable

[print$]
        path = /var/lib/samba/printers
        write list = root, "@Printer Admins"

[printers]
        printable = yes
        path = /var/spool/samba
        writable = no
        printer admin = "@Printer Admins"

-------- Original Message --------
Subject: Re: [Samba] Samba using linux root under ADS mode (22-Aug-2007 19:59)
From:    dale@BriannasSaladDressing.com
To:      damiend@mckennagroup.co.uk
> Does your smb.conf have "invalid users = root"?
> 
> If yes, remove that line.
> If no, then what does "net rpc rights list -U root" give you?
> 
> I do cupsaddsmb through the CUPS web interface, usually with another 
> user that I have given print operator privileges.
> 
> Dale
> 
> damiend@mckennagroup.co.uk wrote:
> > hi all am having a problem connecting to my samba server on linux
using the
> > host's root account. I have created a local smbpassword for root
but am
> > unable to connect to any shares with it.
> >
> > my primary reason is that am trying to get cupsaddsmb program to copy
up
> > driver.
> >
> > so I tested with smb client and my smbd is not allowing root
connections
> > any advice?
> >
> > thanks
> >
> > Damien
> >   
> 
> To: damiend@mckennagroup.co.uk