[Samba] Upgrade from Samba 3.0.33 to 3.5.8 woes

Gaiseric Vandal gaiseric.vandal at gmail.com
Wed Mar 23 07:48:51 MDT 2011

If you have trouble accessing a machine, are you able to access it from 
a windows command line with

     net use \\SERVERNAME


     net use \\SERVERIP

I had upgraded one of my servers from 3.0.x to 3.4.x.  I probably missed 
something in the compile.   Normally an XP/Win7 client should be able to 
resolve a Samba or Windows server via dns lookup, hosts file, netbios 
broadcast, wins or lmhosts.   I found that with this sever, XP/Win7 
clients could only access the server if the were using IP address, or 
resolving name via netbios broadcast, lmhosts or WINS.   Since netbios 
broadcasts are, by default, blocked for VPN clients, I had to enable 
WINS over VPN.

On 03/22/2011 10:46 PM, guido at lorenzutti.com.ar wrote:
> Did you update the schema on the ldap? Maybe you should. Im right know
> doing it. I don't know how many changes are in the schema between 3.0.33
> and 3.5.x. Im migrating from 3.0.24 to 3.2.X and if I don't upgrade the
> schema the "password must change time" dosen't work.
> What do you mean about the dc has a new time?
> I was referring to the domain sid.
>> The new DC has a new time.  We do use LDAP.  Which SID are you
>> referring to?  The local SID is new on the new DC, but the domain sids
>> are the same.
>> On Tue, Mar 22, 2011 at 10:23 PM,<guido at lorenzutti.com.ar>  wrote:
>>> The same happend to me.
>>> But I didn't have the time to analize the problem. I solve it by
>>> changing
>>> the name of the server. Same ip, but new name and everything works now.
>>> It would be great to know if there is another workaround.
>>> Did you keep the sid of the pdc after the change?
>>> Did you use ldap?
>>> Bye.
>>>> Greetings,
>>>> I just did a major upgrade to our Samba infrastructure.
>>>> I previously had a domain controller and share running 3.0.33 (on one
>>>> box, one samba instance)
>>>> I set up a new domain controller running 3.5.8, made that the PDC for
>>>> our domain, and changed the (now former) domain controller running
>>>> 3.0.33 to just be a member.  Additionally, we moved the IP from the
>>>> old DC to the new DC (and subsequently gave the former DC, now just a
>>>> member and file share a new IP)
>>>> Now I am having some strange issues.
>>>> Windows machines in our London office (which is connected via a tunnel
>>>> between some Cisco ASA's from HQ to London) can no longer see the
>>>> domain (which is at HQ) UNLESS we disable the Windows firewall on the
>>>> workstations OR add exceptions to the firewall for the PDC.  Machines
>>>> at HQ see the domain fine.  Now, the PDC has the SAME IP as the old
>>>> domain.  So it's not like the rules would need to be any different
>>>> anyway.  Frankly, I don't quite understand how this worked before -
>>>> but it did!  Did something change between 3.0.x and 3.5.x which would
>>>> cause this behavior and is there a fix?  I am hoping to not have to
>>>> run through and change all of the firewalls on all of our workstations
>>>> (especially since we can't do so via netlogon scripts etc as they
>>>> won't see the domain!)  Worth noting, our machines all have an lmhosts
>>>> file which tells them where to go for the domain, hence why we moved
>>>> the IP from the old dc to the new dc.
>>>> Second problem.. users can't access our file share (which was formerly
>>>> the domain controller, now just a member) when connected via our VPN
>>>> (a juniper ssl vpn).  The VPN drops them into the same network as if
>>>> they are in the office -- and it works fine if you are in the office.
>>>> Yet, if you come in via VPN you received "no logon servers available"
>>>> errors.  Mac users connecting to the file share via SMB have no
>>>> problem.  The following error is logged in smbd.log (redacted my
>>>> specific names):
>>>>   domain_client_validate: unable to validate password for user
>>>> $username in domain $mydomain to Domain controller $mypdc. Error was
>>>> Happy to provide any additional info.. I'm baffled!  All of this
>>>> worked before without problems.
>>>> Thanks,
>>>> Ryan
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