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Errore di join ad Active Directory



Buongiorno a tutta la lista,

la rete aziendale è basata su active directory (windows 2008 R2) e stiamo
migrando da domini locali delle varie sedi ad un unico dominio. Poiché una
delle mie 2 postazioni (VBWKS00008) è una debian testing la volevo mettere
sotto dominio e per questo ho seguito le guide [1], [2], [3], [4].

Ho configurato smb.conf, krb.conf, nsswitch.conf (come sotto riportato), ma
quando provo ad effettuare la join ottengo:

root@VBWKS00008:/home/dpp1058157# net ads join -U dpp1058157
Enter dpp1058157's password:
Failed to join domain: Failed to set account flags for machine account
(NT_STATUS_ACCESS_DENIED)

root@VBWKS00008:/home/dpp1058157# net ads join MIO\/MIAOU\/Computer -W MIO.DOMINIO.IT -S SERVER01.MIO.DOMINIO.IT -U dpp1058157
Enter dpp1058157's password:
Failed to join domain: Failed to set account flags for machine account
(NT_STATUS_ACCESS_DENIED)

Aggiungo che l'utente con cui effettuo la join (dpp1058157) ha diritti di
amministratore limitati all'unità organizzativa -MIAOU- cui appartengo, e con lo stesso utente riesco a gestire i computer con OS di casa microsoft in tale unità organizzativa (per portare sotto tale dominio i pc devo prima creare il pc sotto MIAOU/Computer e poi cambiare il dominio di appartenenza al singolo pc).

Di seguito vi invio ciò che ottengo interrogando tramite klist e net ads
sulla mia rete:

root@VBWKS00008:/home/dpp1058157# klist
Ticket cache: FILE:/tmp/krb5cc_0
Default principal: dpp1058157@MIO.DOMINIO.IT

Valid starting     Expires            Service principal
10/03/11 11:06:05  10/03/11 21:06:10 krbtgt/MIO.DOMINIO.IT@MIO.DOMINIO.IT
    renew until 10/04/11 11:06:05

root@VBWKS00008:/home/dpp1058157# net ads info
LDAP server: 10.254.5.200
LDAP server name: SERVER01.mio.dominio.it
Realm: MIO.DOMINIO.IT
Bind Path: dc=MIO,dc=DOMINIO,dc=IT
LDAP port: 389
Server time: lun, 03 ott 2011 12:43:30 CEST
KDC server: 10.254.5.200
Server time offset: 0

root@VBWKS00008:/home/dpp1058157# net ads lookup
Information for Domain Controller: 10.254.5.200

Response Type: LOGON_SAM_LOGON_RESPONSE_EX
GUID: 971a4e0b-b9b9-4cbc-92e3-f81b21c3ddea
Flags:
    Is a PDC:                                   yes
    Is a GC of the forest:                      yes
    Is an LDAP server:                          yes
    Supports DS:                                yes
    Is running a KDC:                           yes
    Is running time services:                   yes
    Is the closest DC:                          no
    Is writable:                                yes
    Has a hardware clock:                       yes
    Is a non-domain NC serviced by LDAP server: no
    Is NT6 DC that has some secrets:            no
    Is NT6 DC that has all secrets:             yes
Forest:            mio.dominio.it
Domain:            mio.dominio.it
Domain Controller:    SERVER01.mio.dominio.it
Pre-Win2k Domain:    MIO
Pre-Win2k Hostname:    SERVER01.mio.dominio.it
Server Site Name :        CENTRALE
Client Site Name :
NT Version: 5
LMNT Token: ffff
LM20 Token: ffff

Come posso effettuare la join, qualche suggerimento?

_smb.conf:_
[global]

## Browsing/Identification ###

# Change this to the workgroup/NT-domain name your Samba server will part of
   password server = 10.254.5.200
   wins server = 10.254.5.200

   auth methods = winbind
   encrypt passwords = true

   realm = MIO.DOMINIO.IT
   workgroup = MIO

   netbios name = SERVER01
   server string = SERVER01.MIO.DOMINIO.IT

   idmap uid = 10000-20000
   idmap gid = 10000-20000

# default = NomeShare

   os level = 20
   security = ads

##preferred master = no
##client use spnego = yes

   winbind enum users = yes
   winbind enum groups = yes
   winbind use default domain = yes

   template shell = /bin/bash
   template homedir = /home/%U


# server string is the equivalent of the NT Description field
   server string = %h server

;   wins server = w.x.y.z
   dns proxy = no
;   name resolve order = lmhosts host wins bcast
;   interfaces = 127.0.0.0/8 eth0
;   bind interfaces only = yes
   log file = /var/log/samba/log.%m
# Cap the size of the individual log files (in KiB).
   max log size = 1000
# We want Samba to log a minimum amount of information to syslog. Everything
# should go to /var/log/samba/log.{smbd,nmbd} instead. If you want to log
# through syslog you should set the following parameter to something higher.
   syslog = 0
# Do something sensible when Samba crashes: mail the admin a backtrace
   panic action = /usr/share/samba/panic-action %d
# If you are using encrypted passwords, Samba will need to know what
# password database type you are using.
   passdb backend = tdbsam
   obey pam restrictions = yes
# This boolean parameter controls whether Samba attempts to sync the Unix
# password with the SMB password when the encrypted SMB password in the
# passdb is changed.
   unix password sync = yes
# For Unix password sync to work on a Debian GNU/Linux system, the following
# parameters must be set (thanks to Ian Kahan <<kahan@informatik.tu-muenchen.de> for
# sending the correct chat script for the passwd program in Debian Sarge).
   passwd program = /usr/bin/passwd %u
passwd chat = *Enter\snew\s*\spassword:* %n\n *Retype\snew\s*\spassword:* %n\n *password\supdated\ssuccessfully* .
# This boolean controls whether PAM will be used for password changes
# when requested by an SMB client instead of the program listed in
# 'passwd program'. The default is 'no'.
   pam password change = yes
########## Domains ###########
;   domain logons = yes
;   logon path = \\%N\profiles\%U
;   logon drive = H:
;   logon script = logon.cmd
; add user script = /usr/sbin/adduser --quiet --disabled-password --gecos "" %u ; add machine script = /usr/sbin/useradd -g machines -c "%u machine account" -d /var/lib/samba -s /bin/false %u
; add group script = /usr/sbin/addgroup --force-badname %g
########## Printing ##########
;   printing = bsd
;   printcap name = /etc/printcap
;   printing = cups
;   printcap name = cups
############ Misc ############
;   include = /home/samba/etc/smb.conf.%m
# The following parameter is useful only if you have the linpopup package
# installed. The samba maintainer and the linpopup maintainer are
# working to ease installation and configuration of linpopup and samba.
;   message command = /bin/sh -c '/usr/bin/linpopup "%f" "%m" %s; rm %s' &

# Domain Master specifies Samba to be the Domain Master Browser. If this
# machine will be configured as a BDC (a secondary logon server), you
# must set this to 'no'; otherwise, the default behavior is recommended.
#   domain master = auto

# Some defaults for winbind (make sure you're not using the ranges
# for something else.)
;   idmap uid = 10000-20000
;   idmap gid = 10000-20000
;   template shell = /bin/bash

# The following was the default behaviour in sarge,
# but samba upstream reverted the default because it might induce
# performance issues in large organizations.
# See Debian bug #368251 for some of the consequences of *not*
# having this setting and smb.conf(5) for details.
;   winbind enum groups = yes
;   winbind enum users = yes

# Setup usershare options to enable non-root users to share folders
# with the net usershare command.

# Maximum number of usershare. 0 (default) means that usershare is disabled.
;   usershare max shares = 100

#======================= Share Definitions =======================

[homes]
   comment = Home Directories
   browseable = no

# By default, the home directories are exported read-only. Change the
# next parameter to 'no' if you want to be able to write to them.
   read only = yes

# File creation mask is set to 0700 for security reasons. If you want to
# create files with group=rw permissions, set next parameter to 0775.
   create mask = 0700

# Directory creation mask is set to 0700 for security reasons. If you want to
# create dirs. with group=rw permissions, set next parameter to 0775.
   directory mask = 0700

# By default, \\server\username shares can be connected to by anyone
# with access to the samba server.
# The following parameter makes sure that only "username" can connect
# to \\server\username
# This might need tweaking when using external authentication schemes
   valid users = %S

# Un-comment the following and create the netlogon directory for Domain Logons
# (you need to configure Samba to act as a domain controller too.)
;[netlogon]
;   comment = Network Logon Service
;   path = /home/samba/netlogon
;   guest ok = yes
;   read only = yes

# Un-comment the following and create the profiles directory to store
# users profiles (see the "logon path" option above)
# (you need to configure Samba to act as a domain controller too.)
# The path below should be writable by all users so that their
# profile directory may be created the first time they log on
;[profiles]
;   comment = Users profiles
;   path = /home/samba/profiles
;   guest ok = no
;   browseable = no
;   create mask = 0600
;   directory mask = 0700

[printers]
   comment = All Printers
   browseable = no
   path = /var/spool/samba
   printable = yes
   guest ok = no
   read only = yes
   create mask = 0700

# Windows clients look for this share name as a source of downloadable
# printer drivers
[print$]
   comment = Printer Drivers
   path = /var/lib/samba/printers
   browseable = yes
   read only = yes
   guest ok = no
# Uncomment to allow remote administration of Windows print drivers.
# You may need to replace 'lpadmin' with the name of the group your
# admin users are members of.
# Please note that you also need to set appropriate Unix permissions
# to the drivers directory for these users to have write rights in it
;   write list = root, @lpadmin

# A sample share for sharing your CD-ROM with others.
;[cdrom]
;   comment = Samba server's CD-ROM
;   read only = yes
;   locking = no
;   path = /cdrom
;   guest ok = yes

# The next two parameters show how to auto-mount a CD-ROM when the
#    cdrom share is accesed. For this to work /etc/fstab must contain
#    an entry like this:
#
#       /dev/scd0   /cdrom  iso9660 defaults,noauto,ro,user   0 0
#
# The CD-ROM gets unmounted automatically after the connection to the
#
# If you don't want to use auto-mounting/unmounting make sure the CD
#    is mounted on /cdrom
#
;   preexec = /bin/mount /cdrom
;   postexec = /bin/umount /cdrom


_krb5.conf:_
[libdefaults]
    default_realm = MIO.DOMINIO.IT
[realms]
    MIO.DOMINIO.IT = {
        kdc = SERVER01.MIO.DOMINIO.IT
        admin_server = SERVER01.MIO.DOMINIO.IT
    }

[domain_realm]
    .mio.dominio.it = MIO.DOMINIO.IT
    mio.dominio.it = MIO.DOMINIO.IT

_nsswitch.conf:_
passwd:         files winbind
group:          files winbind
shadow:         compat

hosts:          files dns wins
networks:       files dns

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

netgroup:       nis

[1] http://www.ccs.neu.edu/home/battista/articles/winbind/index.html

[2] http://wiki.professionalconcept.eu/doku.php?id=debian:realizzato:debianactivedirectory

[3] http://www.enterprisenetworkingplanet.com/netos/article.php/3487081/Join-Samba-3-to-Your--Active-Directory-Domain.htm

[4] http://www.debian-administration.org/articles/340



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