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[Samba] Setup a Samba AD DC as an additional DC




Here are the ouputs of the previous diagnostics you asked for:

:~$ nslookup sambaDC
Server:         127.0.0.53
Address:        127.0.0.53#53

Non-authoritative answer:
Name:   sambaDC.domain.com
Address: 131.192.176.40

:~$ nslookup sambaDC.domain.com
Server:         127.0.0.53
Address:        127.0.0.53#53

Non-authoritative answer:
Name:   sambaDC.domain.com
Address: 131.192.176.40

:~$ host 131.192.176.20
20.176.192.131.in-addr.arpa domain name pointer Win2012DC.domain.com.

:~$ host 131.192.176.40
40.176.192.131.in-addr.arpa domain name pointer sambaDC.
40.176.192.131.in-addr.arpa domain name pointer sambaDC.local.

>>> Barry Comment: the name server for the Win Domain is set in Ubuntu Netplan.  I don't know why it did not find "pointer sambaDC.domain.com."
>>> I did not create a HOSTS file or make any entries as it was not on your "how-to".  Tried to follow exactly as you mentioned.  I'm working on getting this corrected.

:~$ dig a $(sambaDC -s)
sambaDC: command not found

; <<>> DiG 9.11.3-1ubuntu1.3-Ubuntu <<>> a
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 64202
;; flags: qr rd ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 65494
;; QUESTION SECTION:
;.                              IN      NS

;; ANSWER SECTION:
.                       73734   IN      NS      l.root-servers.net.
.                       73734   IN      NS      d.root-servers.net.
.                       73734   IN      NS      h.root-servers.net.
.                       73734   IN      NS      j.root-servers.net.
.                       73734   IN      NS      f.root-servers.net.
.                       73734   IN      NS      i.root-servers.net.
.                       73734   IN      NS      k.root-servers.net.
.                       73734   IN      NS      e.root-servers.net.
.                       73734   IN      NS      a.root-servers.net.
.                       73734   IN      NS      b.root-servers.net.
.                       73734   IN      NS      g.root-servers.net.
.                       73734   IN      NS      m.root-servers.net.
.                       73734   IN      NS      c.root-servers.net.

;; Query time: 8 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Sat Dec 01 15:17:54 CST 2018
;; MSG SIZE  rcvd: 239

:~$ dig a $(sambaDC -f)
sambaDC: command not found

; <<>> DiG 9.11.3-1ubuntu1.3-Ubuntu <<>> a
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 37248
;; flags: qr rd ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 65494
;; QUESTION SECTION:
;.                              IN      NS

;; ANSWER SECTION:
.                       7168    IN      NS      c.root-servers.net.
.                       7168    IN      NS      m.root-servers.net.
.                       7168    IN      NS      g.root-servers.net.
.                       7168    IN      NS      b.root-servers.net.
.                       7168    IN      NS      a.root-servers.net.
.                       7168    IN      NS      e.root-servers.net.
.                       7168    IN      NS      k.root-servers.net.
.                       7168    IN      NS      i.root-servers.net.
.                       7168    IN      NS      f.root-servers.net.
.                       7168    IN      NS      j.root-servers.net.
.                       7168    IN      NS      h.root-servers.net.
.                       7168    IN      NS      d.root-servers.net.
.                       7168    IN      NS      l.root-servers.net.

;; Query time: 0 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Sat Dec 01 15:18:26 CST 2018
;; MSG SIZE  rcvd: 239

:~$ dig -x 131.192.176.40

; <<>> DiG 9.11.3-1ubuntu1.3-Ubuntu <<>> -x 131.192.176.40
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 44804
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 65494
;; QUESTION SECTION:
;40.176.192.131.in-addr.arpa.   IN      PTR

;; ANSWER SECTION:
40.176.192.131.in-addr.arpa. 0  IN      PTR     sambaDC.
40.176.192.131.in-addr.arpa. 0  IN      PTR     sambaDC.local.

;; Query time: 0 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Sat Dec 01 15:20:02 CST 2018
;; MSG SIZE  rcvd: 106

:~$ dig -x 131.192.176.20

; <<>> DiG 9.11.3-1ubuntu1.3-Ubuntu <<>> -x 131.192.176.20
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 13875
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 65494
;; QUESTION SECTION:
;20.176.192.131.in-addr.arpa.   IN      PTR

;; ANSWER SECTION:
20.176.192.131.in-addr.arpa. 983 IN     PTR     Win2012DC.domain.com.

;; Query time: 0 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Sat Dec 01 15:20:29 CST 2018
;; MSG SIZE  rcvd: 89

****************
SAMBA-DEBUG-INFO
****************

Collected config  --- 2018-12-01-13:30 -----------

Hostname: houdcu01
DNS Domain: daram.com
FQDN: sambaDC.domain.com
ipaddress: 131.192.176.40

-----------
Samba is not being run as a DC or a Unix domain member.
Checking file: /etc/os-release 
NAME="Ubuntu"
VERSION="18.04.1 LTS (Bionic Beaver)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 18.04.1 LTS"
VERSION_ID="18.04"
HOME_URL="https://www.ubuntu.com/";
SUPPORT_URL="https://help.ubuntu.com/";
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/";
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy";
VERSION_CODENAME=bionic
UBUNTU_CODENAME=bionic

-----------

Warning, /etc/devuan_version does not exist

-----------
running command : ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
    inet6 ::1/128 scope host 
2: ens2f0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
    link/ether 00:1e:67:79:11:b8 brd ff:ff:ff:ff:ff:ff
    inet 131.192.176.40/24 brd 131.192.176.255 scope global ens2f0
    inet6 fe80::21e:67ff:fe79:11b8/64 scope link 
3: ens2f1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
    link/ether 00:1e:67:79:11:b9 brd ff:ff:ff:ff:ff:ff
-----------
Checking file: /etc/hosts 
127.0.0.1	localhost.localdomain	localhost
::1		localhost6.localdomain6	localhost6

# The following lines are desirable for IPv6 capable hosts
::1     localhost ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
ff02::3 ip6-allhosts

-----------
Checking file: /etc/resolv.conf 
# This file is managed by man:systemd-resolved(8). Do not edit.
#
# This is a dynamic resolv.conf file for connecting local clients to the
# internal DNS stub resolver of systemd-resolved. This file lists all
# configured search domains.
#
# Run "systemd-resolve --status" to see details about the uplink DNS servers
# currently in use.
#
# Third party programs must not access this file directly, but only through the
# symlink at /etc/resolv.conf. To manage man:resolv.conf(5) in a different way,
# replace this symlink by a static file or a different symlink.
#
# See man:systemd-resolved.service(8) for details about the supported modes of
# operation for /etc/resolv.conf.

nameserver 127.0.0.53
search domain.com

-----------
Checking file: /etc/krb5.conf 
[libdefaults]
	default_realm = DOMAIN.COM

; Note, this is added because other software may need it.
; Some recommend to remove : des-cbc-crc des-cbc-md5 but for compatibility leave it in.
; For Windows 2008 with AES
        default_tgs_enctypes = aes256-cts-hmac-sha1-96 aes128-cts-hmac-sha1-96 rc4-hmac des-cbc-crc des-cbc-md5
        default_tkt_enctypes = aes256-cts-hmac-sha1-96 aes128-cts-hmac-sha1-96 rc4-hmac des-cbc-crc des-cbc-md5
        permitted_enctypes   = aes256-cts-hmac-sha1-96 aes128-cts-hmac-sha1-96 rc4-hmac des-cbc-crc des-cbc-md5


-----------
Checking file: /etc/nsswitch.conf 
# /etc/nsswitch.conf
#
# Example configuration of GNU Name Service Switch functionality.
# If you have the `glibc-doc-reference' and `info' packages installed, try:
# `info libc "Name Service Switch"' for information about this file.

passwd:         compat systemd
group:          compat systemd
shadow:         compat
gshadow:        files

hosts:          files dns
networks:       files

protocols:      db files
services:       db files
ethers:         db files
rpc:            db files

netgroup:       nis

-----------
Warning,  does not exist

-----------
No username map detected.

-----------

Installed packages, running: dpkg -l | egrep "samba|winbind|krb5|smb|acl|xattr"
ii  acl                                   2.2.52-3build1                    amd64        Access control list utilities
ii  krb5-config                           2.6                               all          Configuration files for Kerberos Version 5
ii  krb5-locales                          1.16-2build1                      all          internationalization support for MIT Kerberos
ii  krb5-user                             1.16-2build1                      amd64        basic programs to authenticate using MIT Kerberos
ii  libacl1:amd64                         2.2.52-3build1                    amd64        Access control list shared library
ii  libacl1-dev                           2.2.52-3build1                    amd64        Access control list static libraries and headers
ii  libgssapi-krb5-2:amd64                1.16-2build1                      amd64        MIT Kerberos runtime libraries - krb5 GSS-API Mechanism
ii  libkrb5-26-heimdal:amd64              7.5.0+dfsg-1                      amd64        Heimdal Kerberos - libraries
ii  libkrb5-3:amd64                       1.16-2build1                      amd64        MIT Kerberos runtime libraries
ii  libkrb5support0:amd64                 1.16-2build1                      amd64        MIT Kerberos runtime libraries - Support library
ii  libnss-winbind:amd64                  2:4.9.3+nmu-1~ubuntu1804          amd64        Samba nameservice integration plugins
ii  libpam-winbind:amd64                  2:4.9.3+nmu-1~ubuntu1804          amd64        Windows domain authentication integration plugin
ii  libwbclient0:amd64                    2:4.9.3+nmu-1~ubuntu1804          amd64        Samba winbind client library
ii  python-samba                          2:4.9.3+nmu-1~ubuntu1804          amd64        Python bindings for Samba
ii  samba                                 2:4.9.3+nmu-1~ubuntu1804          amd64        SMB/CIFS file, print, and login server for Unix
ii  samba-common                          2:4.9.3+nmu-1~ubuntu1804          all          common files used by both the Samba server and client
ii  samba-common-bin                      2:4.9.3+nmu-1~ubuntu1804          amd64        Samba common files used by both the server and the client
ii  samba-dsdb-modules:amd64              2:4.9.3+nmu-1~ubuntu1804          amd64        Samba Directory Services Database
ii  samba-libs:amd64                      2:4.9.3+nmu-1~ubuntu1804          amd64        Samba core libraries
ii  samba-vfs-modules:amd64               2:4.9.3+nmu-1~ubuntu1804          amd64        Samba Virtual FileSystem plugins
ii  winbind                               2:4.9.3+nmu-1~ubuntu1804          amd64        service to resolve user and group information from Windows NT servers
-----------

****************
SAMBA-INFO
****************

:~$ sudo ./samba-info.sh
INFO: Current debug levels:
  all: 8
  tdb: 8
  printdrivers: 8
  lanman: 8
  smb: 8
  rpc_parse: 8
  rpc_srv: 8
  rpc_cli: 8
  passdb: 8
  sam: 8
  auth: 8
  winbind: 8
  vfs: 8
  idmap: 8
  quota: 8
  acls: 8
  locking: 8
  msdfs: 8
  dmapi: 8
  registry: 8
  scavenger: 8
  dns: 8
  ldb: 8
  tevent: 8
  auth_audit: 8
  auth_json_audit: 8
  kerberos: 8
  drs_repl: 8
  smb2: 8
  smb2_credits: 8
  dsdb_audit: 8
  dsdb_json_audit: 8
  dsdb_password_audit: 8
  dsdb_password_json_audit: 8
  dsdb_transaction_audit: 8
  dsdb_transaction_json_audit: 8
  dsdb_group_audit: 8
  dsdb_group_json_audit: 8
Processing section "[netlogon]"
Processing section "[sysvol]"
pm_process() returned Yes
ldb_wrap open of secrets.ldb
Could not find machine account in secrets database: Failed to fetch machine account password for DOMAIN from both secrets.ldb (Could not find entry to match filter: '(&(flatname=DOMAIN)(objectclass=primaryDomain))' base: 'cn=Primary Domains': No such object: dsdb_search at ../source4/dsdb/common/util.c:4705) and from /var/lib/samba/private/secrets.tdb: NT_STATUS_CANT_ACCESS_DOMAIN_INFO
added interface ens2f0 ip=131.192.176.40 bcast=131.192.176.255 netmask=255.255.255.0
added interface ens2f0 ip=131.192.176.40 bcast=131.192.176.255 netmask=255.255.255.0
resolve_lmhosts: Attempting lmhosts lookup for name daram.com<0x20>
startlmhosts: Can't open lmhosts file /etc/samba/lmhosts. Error was No such file or directory
ERROR(ldb): uncaught exception - LDAP error 1 LDAP_OPERATIONS_ERROR -  <000004DC: LdapErr: DSID-0C09079A, comment: In order to perform this operation a successful bind must be completed on the connection., data 0, v23f0> <>
  File "/usr/lib/python2.7/dist-packages/samba/netcmd/__init__.py", line 177, in _run
    return self.run(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/samba/netcmd/fsmo.py", line 469, in run
    master = get_fsmo_roleowner(samdb, dn, short_name)
  File "/usr/lib/python2.7/dist-packages/samba/netcmd/fsmo.py", line 42, in get_fsmo_roleowner
    scope=ldb.SCOPE_BASE, attrs=["fSMORoleOwner"])
INFO: Current debug levels:
  all: 8
  tdb: 8
  printdrivers: 8
  lanman: 8
  smb: 8
  rpc_parse: 8
  rpc_srv: 8
  rpc_cli: 8
  passdb: 8
  sam: 8
  auth: 8
  winbind: 8
  vfs: 8
  idmap: 8
  quota: 8
  acls: 8
  locking: 8
  msdfs: 8
  dmapi: 8
  registry: 8
  scavenger: 8
  dns: 8
  ldb: 8
  tevent: 8
  auth_audit: 8
  auth_json_audit: 8
  kerberos: 8
  drs_repl: 8
  smb2: 8
  smb2_credits: 8
  dsdb_audit: 8
  dsdb_json_audit: 8
  dsdb_password_audit: 8
  dsdb_password_json_audit: 8
  dsdb_transaction_audit: 8
  dsdb_transaction_json_audit: 8
  dsdb_group_audit: 8
  dsdb_group_json_audit: 8
Processing section "[netlogon]"
Processing section "[sysvol]"
pm_process() returned Yes
ldb_wrap open of secrets.ldb
Could not find machine account in secrets database: Failed to fetch machine account password for DOMAIN from both secrets.ldb (Could not find entry to match filter: '(&(flatname=DOMAIN)(objectclass=primaryDomain))' base: 'cn=Primary Domains': No such object: dsdb_search at ../source4/dsdb/common/util.c:4705) and from /var/lib/samba/private/secrets.tdb: NT_STATUS_CANT_ACCESS_DOMAIN_INFO
added interface ens2f0 ip=131.192.176.40 bcast=131.192.176.255 netmask=255.255.255.0
added interface ens2f0 ip=131.192.176.40 bcast=131.192.176.255 netmask=255.255.255.0
resolve_lmhosts: Attempting lmhosts lookup for name daram.com<0x20>
startlmhosts: Can't open lmhosts file /etc/samba/lmhosts. Error was No such file or directory
ERROR(ldb): uncaught exception - LDAP error 1 LDAP_OPERATIONS_ERROR -  <000004DC: LdapErr: DSID-0C09079A, comment: In order to perform this operation a successful bind must be completed on the connection., data 0, v23f0> <>
  File "/usr/lib/python2.7/dist-packages/samba/netcmd/__init__.py", line 177, in _run
    return self.run(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/samba/netcmd/fsmo.py", line 469, in run
    master = get_fsmo_roleowner(samdb, dn, short_name)
  File "/usr/lib/python2.7/dist-packages/samba/netcmd/fsmo.py", line 42, in get_fsmo_roleowner
    scope=ldb.SCOPE_BASE, attrs=["fSMORoleOwner"])
INFO: Current debug levels:
  all: 8
  tdb: 8
  printdrivers: 8
  lanman: 8
  smb: 8
  rpc_parse: 8
  rpc_srv: 8
  rpc_cli: 8
  passdb: 8
  sam: 8
  auth: 8
  winbind: 8
  vfs: 8
  idmap: 8
  quota: 8
  acls: 8
  locking: 8
  msdfs: 8
  dmapi: 8
  registry: 8
  scavenger: 8
  dns: 8
  ldb: 8
  tevent: 8
  auth_audit: 8
  auth_json_audit: 8
  kerberos: 8
  drs_repl: 8
  smb2: 8
  smb2_credits: 8
  dsdb_audit: 8
  dsdb_json_audit: 8
  dsdb_password_audit: 8
  dsdb_password_json_audit: 8
  dsdb_transaction_audit: 8
  dsdb_transaction_json_audit: 8
  dsdb_group_audit: 8
  dsdb_group_json_audit: 8
Processing section "[netlogon]"
Processing section "[sysvol]"
pm_process() returned Yes
ldb_wrap open of secrets.ldb
Could not find machine account in secrets database: Failed to fetch machine account password for DOMAIN from both secrets.ldb (Could not find entry to match filter: '(&(flatname=DOMAIN)(objectclass=primaryDomain))' base: 'cn=Primary Domains': No such object: dsdb_search at ../source4/dsdb/common/util.c:4705) and from /var/lib/samba/private/secrets.tdb: NT_STATUS_CANT_ACCESS_DOMAIN_INFO
added interface ens2f0 ip=131.192.176.40 bcast=131.192.176.255 netmask=255.255.255.0
added interface ens2f0 ip=131.192.176.40 bcast=131.192.176.255 netmask=255.255.255.0
resolve_lmhosts: Attempting lmhosts lookup for name daram.com<0x20>
startlmhosts: Can't open lmhosts file /etc/samba/lmhosts. Error was No such file or directory
ERROR(ldb): uncaught exception - LDAP error 1 LDAP_OPERATIONS_ERROR -  <000004DC: LdapErr: DSID-0C09079A, comment: In order to perform this operation a successful bind must be completed on the connection., data 0, v23f0> <>
  File "/usr/lib/python2.7/dist-packages/samba/netcmd/__init__.py", line 177, in _run
    return self.run(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/samba/netcmd/fsmo.py", line 469, in run
    master = get_fsmo_roleowner(samdb, dn, short_name)
  File "/usr/lib/python2.7/dist-packages/samba/netcmd/fsmo.py", line 42, in get_fsmo_roleowner
    scope=ldb.SCOPE_BASE, attrs=["fSMORoleOwner"])
INFO: Current debug levels:
  all: 8
  tdb: 8
  printdrivers: 8
  lanman: 8
  smb: 8
  rpc_parse: 8
  rpc_srv: 8
  rpc_cli: 8
  passdb: 8
  sam: 8
  auth: 8
  winbind: 8
  vfs: 8
  idmap: 8
  quota: 8
  acls: 8
  locking: 8
  msdfs: 8
  dmapi: 8
  registry: 8
  scavenger: 8
  dns: 8
  ldb: 8
  tevent: 8
  auth_audit: 8
  auth_json_audit: 8
  kerberos: 8
  drs_repl: 8
  smb2: 8
  smb2_credits: 8
  dsdb_audit: 8
  dsdb_json_audit: 8
  dsdb_password_audit: 8
  dsdb_password_json_audit: 8
  dsdb_transaction_audit: 8
  dsdb_transaction_json_audit: 8
  dsdb_group_audit: 8
  dsdb_group_json_audit: 8
Processing section "[netlogon]"
Processing section "[sysvol]"
pm_process() returned Yes
GENSEC backend 'gssapi_spnego' registered
GENSEC backend 'gssapi_krb5' registered
GENSEC backend 'gssapi_krb5_sasl' registered
GENSEC backend 'spnego' registered
GENSEC backend 'schannel' registered
GENSEC backend 'naclrpc_as_system' registered
GENSEC backend 'sasl-EXTERNAL' registered
GENSEC backend 'ntlmssp' registered
GENSEC backend 'ntlmssp_resume_ccache' registered
GENSEC backend 'http_basic' registered
GENSEC backend 'http_ntlm' registered
GENSEC backend 'http_negotiate' registered
GENSEC backend 'krb5' registered
GENSEC backend 'fake_gssapi_krb5' registered
added interface ens2f0 ip=131.192.176.40 bcast=131.192.176.255 netmask=255.255.255.0
added interface ens2f0 ip=131.192.176.40 bcast=131.192.176.255 netmask=255.255.255.0
added interface ens2f0 ip=131.192.176.40 bcast=131.192.176.255 netmask=255.255.255.0
added interface ens2f0 ip=131.192.176.40 bcast=131.192.176.255 netmask=255.255.255.0
resolve_lmhosts: Attempting lmhosts lookup for name houdc01.daram.com<0x20>
startlmhosts: Can't open lmhosts file /etc/samba/lmhosts. Error was No such file or directory
finddcs: response 0 at '131.192.176.6'
finddcs: response 1 at '2002:83c0:b007::83c0:b007'
finddcs: response 2 at '2002:83c0:b006::83c0:b006'
finddcs: response 3 at '2002:83c0:b015::83c0:b015'
finddcs: response 4 at '2002:83c0:b008::83c0:b008'
finddcs: performing CLDAP query on 131.192.176.6
finddcs: Found matching DC 131.192.176.6 with server_type=0x000011fc


>>>> Very frustrating

-Barry Adkins

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