[Samba] Add 2003 machine to samba domain: "Application popup: Windows - System Error : A duplicate name exists on the network."

[John H Terpstra]

On Monday 27 August 2007 10:35, Adam DiCaprio wrote:
> I am getting a duplicate name error and then
> "This computer was not able to set up a secure session with a domain
> controller in domain MAIL1 due to the following: There are currently no
> logon servers available to service the logon request. This may lead to
> authentication problems. Make sure that this computer is connected to the
> network. If the problem persists, please contact your domain administrator.
> "
>
> I did some searches with no luck. I can authenticate against the domain and
> see shares, but when I am adding a machine to the domain, everything
> appears ok until after the reboot with these messages being logged in the
> event log. This is a win2k3R2 machine connecting to samba 3.0.25b samba
> machine with an openldap backend on RHEL4.
>
> There are no duplicate machine names on the network so it is like the
> machine is being double registered or something. When I query LDAP there is
> only a single record for the machine.
>
> [global]
>   workgroup = MAIL1
>   netbios name = mail1

Your workgroup and server name are the same - in other words - you have a 
duplicate name! Please change one of them.

- John T.

>   os level = 33
>   debug level = 10
>   preferred master = yes
>   enable privileges = yes
>   server string = %h server (Mail 1, Samba Server)
>   wins support =yes
>   dns proxy = no
>   name resolve order = wins bcast hosts
>   log file = /var/log/samba/log.%m
>   log level = 3
>   max log size = 1000
>   syslog only = no
>   syslog = 0
>   panic action = /usr/share/samba/panic-action %d
>   security = user
>   encrypt passwords = true
>   ldap passwd sync = yes
>   passdb backend = ldapsam:ldap://localhost/
>   ldap group suffix = ou=groups
>   ldap user suffix = ou=people
>   ldap machine suffix = ou=machines
>   obey pam restrictions = no
>   passwd program = /usr/bin/passwd %u
>   passwd chat = *Enter\snew\sUNIX\spassword:* %n\n
> *Retype\snew\sUNIX\spassword:* %n\n *password\supdated\ssuccessfully* .
>   domain logons = yes
>   logon path = \\mail1\%U\profile
>   logon home = \\mail1\%U
>   add user script = /usr/sbin/adduser --quiet --disabled-password --gecos
> "" %u
>   add machine script = /usr/sbin/adduser -d /var/lib/nobody -g 100 -s
> /bin/false -M %u

-- 
John H Terpstra
Samba-Team Member
Phone: +1 (650) 580-8668

Author:
The Official Samba-3 HOWTO & Reference Guide, 2 Ed., ISBN: 0131882228
Samba-3 by Example, 2 Ed., ISBN: 0131882221X
Hardening Linux, ISBN: 0072254971
Other books in production.
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