[Samba] root != admin domain user?

Martin Mielke martin.mielke at casino.com
Tue Oct 23 09:36:01 GMT 2007

Hi all,

Samba has been running as PDC for some months in a row w/o no issues so 
Users and machines were created and added to the domain correctly...

Now I'm facing the following problem... I hope it's easy to solve...
Although machines have been added to the domain using the root user, and 
it's mapped to Administrator in /etc/samba/smbusers, when a situation 
like connecting to a remote Windows workstation or unlocking a locked 
session using that user comes, the workstation shows a message telling 
that I (or the SysAdmin using the root or Administartor account) have no 
privileges to do that...

This is my smb.conf:

       netbios name = v601
       server string = Volania Six Dominatrix
       workgroup = VOLANIASIX.COM

       ; domain & local master browser
       ; coz we're dealing with Win2k
       os level = 65
       prefered master = yes
       domain master = yes
       local master = yes
       domain logons = yes
       wins support = yes

       ; misc options
       socket options = TCP_NODELAY IPTOS_LOWDELAY SO_SNDBUF=8192 
       time server = yes

       ; do not show files starting with dots
       hide dot files = yes

       ; do not allow guest access, use only local system accounts
       security = user
       guest ok = no
       invalid users = bin deamon sys man postfix mail ftp
       admin users = @wheel

       ; use encrypted passwords
       encrypt passwords = yes

       ; logging (max log size is in kB)
       log level = 2
       log file = /var/log/samba/log.%L
       max log size = 1000
       debug timestamp = yes
       syslog = 1

       ; user roaming profiles path
       logon path = \\%N\profiles\%U

       logon drive = H:

       ; general logon script (in DOS format)
       logon script = %u.bat

# These scripts are used on a domain controller or stand-alone
# machine to add or delete corresponding unix accounts
       add user script = /usr/sbin/useradd %u
       add group script = /usr/sbin/groupadd %g
       add machine script = /usr/sbin/adduser -n -g users -c 
V6-Windows-Machine -d /dev/null -s /bin/false %u
       delete user script = /usr/sbin/userdel %u
       delete user from group script = /usr/sbin/deluser %u %g
       delete group script = /usr/sbin/groupdel %g
       username map = /etc/samba/smbusers

; share for domain controller
       path = /usr/lib/samba/netlogon
       public = no
       writeable = no
       browsable = no
       valid users = root @smbusers

; share for storing user profiles
       comment = Network Profiles Share

       path = /usr/lib/samba/profiles
       writeable = yes
       store dos attributes = yes
       create mask = 0700
       directory mask = 0700
       browsable = no
       guest ok = no
       printable = no

       hide files = /desktop.ini/outlook*.lnk/*Briefcase*/
       valid users = root @smbusers

       valid users = %S
       read only = No
       browseable = No


# grep wheel /etc/group

Any suggestions?? Maybe I've overseen something obvious when Samba was 
set up as PDC...


Martin Mielke - martin.mielke at casino.com
Sr. SysAdmin at Casino.com
p: +34 956785288 | f: +34 956794081 | m: +34 677509693
w: http://www.casino.com/

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