[Samba] SAMBA failing to start after upgrade

[Harsh Kukreja]

The upgrade shouldn't have touched the Samba database, just the
binaries etc, so check the smb.conf file and recreate it if you cannot
find it, or if it is incorrect.
The smb.conf still exists
[global]
        workgroup = IUMNET
        realm = IUMNET.EDU.NA
        netbios name = IUMDCDP01
        server role = active directory domain controller
        dns forwarder = 172.16.10.254
        domain master = yes
        preferred master = yes
#       server services = +s3fs,+dnsupdate,+dns,+winbind,+kdc,+ldap
        password server = 172.16.10.5
        allow dns updates = nonsecure and secure
#       lanman auth = Yes
#       client lanman auth = Yes
        ntlm auth = yes
        client use spnego = no
        client ldap sasl wrapping = sign
#       ldap ssl ads = yes
#       ldap ssl = start tls
        ldap server require strong auth = no
#       wins server = iumnet.edu.na
#       wins support = Yes
        time server = Yes
        template shell = /bin/bash
        template homedir = /home/%U
#       idmap config * : backend = tdb
#       idmap config *:range = 50000-1000000
        full_audit:prefix = %u|%I|%m|%S
        full_audit:failure = connect
        full_audit:success = connect disconnect

seize the FSMO roles to another DC, forcibly demote the dead DC
Please help with the commands to seize the FSMO roles to another DC and
forcibly demote the dead DC.

*Harsh Kukreja *Systems Administrator
*International University of Namibia *Tel: 061-4336000 - E-mail: h.kukreja
@ium.edu.na - Web:
*http://www.ium.edu.na <http://www.ium.edu.na/>*Private Bag
14005,Bachbrech. 21-31 Hercules Street, Dorado Park, Windhoek, NAMIBIA






On Thu, Nov 16, 2017 at 11:35 PM, Rowland Penny via samba <
samba at lists.samba.org> wrote:

> On Thu, 16 Nov 2017 23:13:27 +0200
> "Kukreja H.Kukreja via samba" <samba at lists.samba.org> wrote:
>
> > Hi I upgraded my samba 4 DC running on Ubuntu 12.04 from 4.6.7 to
> > 4.6.10 sernet samba package.
> >
> > apt-get update
> > apt-get upgrade sernet-samba
> > While downloading the new package the internet went down and it
> > stopped so later when the connection was restored I started it again
> > with ap-get upgrade sernet-samba and it started again.
> > Now after rebooting the server the sernet-samba-ad service is not
> > running and failing with error SAMBA NOT CONFIGURED AS DC. The
> > testparm command is giving an error /var/run/samba pid missing so I
> > have copied the folder from another running DC running 4.7.1.
> >
> > Please help to resolve the problem. This is a main DC and I have
> > still not transferred the FSMO rules to the new 4.7.1 server.
> >
> > Thanks n Regards
> >
> > Harsh
> >
> > Sent from my iPhone
>
> The upgrade shouldn't have touched the Samba database, just the
> binaries etc, so check the smb.conf file and recreate it if you cannot
> find it, or if it is incorrect.
>
> If all else fails and because you seem to have other DCs, turn off the
> DC, seize the FSMO roles to another DC, forcibly demote the dead DC.
>
> Re-install the OS on the old DC, do not use the old DCs ipaddress
> or hostname. Now install Samba and join it to the domain as another DC
>
> Rowland
>
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