[Samba] classic upgrade woes, ignores realm
rpenny at samba.org
Sun Mar 31 12:08:27 UTC 2019
On Sun, 31 Mar 2019 13:37:44 +0200
Patrick von der Hagen via samba <samba at lists.samba.org> wrote:
> I am running samba as a fileserver, having some users (LDAP backend)
> and lots of files. No machines ever joined this setup. Now I want to
> join some clients, but want to upgrade to AD before I do that.
> Configuration is quite old, but had no issues so far. I've been
> Since the LDAP backend runs on the old server and blocks ports
> 389/636, I want to follow "Upgrading on a new server" and I want to
> follow "Domain Controller name" because the new server has a
> different name, which should be "DC1".
> The new server ist running Ubuntu 18.10, which provides samba 4.8.4.
> Provisioning a new domain works flawless, no issues there. But I
> really want to perform an upgrade, migrating users and groups.
> In smb.conf, "netbios name = DC1" and "workgroup = WORKGROUP",
> hostname returns "dc1", hostname -f returns "dc1.samdom.domain.de".
> I prepared a local slapd and copied the samba-databases.
> I start the process like this:
> samba-tool domain classicupgrade --dbdir=/root/samba/
> --realm=samdom.domain.de --dns-backend=SAMBA_INTERNAL -d
> 2 /root/smb.conf
> smbldap_search_domain_info: Searching
> sid S-1-5-21-... does not belong to our domain
> Cannot open wins database, Ignoring: [Errno 2] No such file or
> directory: '/root/samba/wins.dat'
> Adding DomainDN: DC=DC1
> DN: DC=DC1 is a NC
> Admin password: xxxxxxxxxxxxxxxxxxxxx
> Server Role: standalone server
> Hostname: dc1
> NetBIOS Domain: DC1
> DNS Domain: dc1
> DOMAIN SID: S-1-5-21-2467318493-10260708-2946515883
> Cannot open idmap database, Ignoring: [Errno 2] No such file or
> directory ...
> Content of /etc/samba/smb.conf (complete!):
> log level = 2
> netbios name = DC1
> passdb backend = samba_dsdb
> realm = SAMDOM.DOMAIN.DE
> server services = s3fs, rpc, nbt, wrepl, ldap, cldap, kdc,
> drepl, winbindd, ntp_signd, kcc, dnsupdate
> workgroup = WORKGROUP
> idmap_ldb:use rfc2307 = yes
> Obviously, smb.conf is no complete.
> My questions:
> Documentation says, to change "netbios name" before upgrade if you
> want to change the domain controller name. But it is used in the ldap
> query for sambaDomainName, so currently I have to change it to
> WORKGROUP in order to import the LDAP data. How do I fix that?
> "DNS Domain" should be the realm I specified at the commandline? Why
> is it ignored and why is sambaDomainName used instead?
> Is it normal to get a smb.conf file that does not work? Is it
> indended as a starting point of should it convert my previous
> configuration? At least "server role" is missing and "server
> services" contains "dnsupdate" which it should not with
> Do I have to worry about wins.dat missing? I don't have such a file.
> Best regards
Lets start with the obvious questions:
What is the original OS ?
What OS are you moving to ?
What version of Samba is on the original OS ?
and finally and most importantly, What is in the original smb.conf ?
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