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Re: [Samba] Winbind - NSS problem?




On Wed, 30 May 2018 16:55:02 +0200
Luciano Mannucci via samba <samba@xxxxxxxxxxxxxxx> wrote:

> 
> Hello all,
> 
> I have a very old samba server, successfully migrated from 2.11 to
> 3.x, then now to 4.8.0 while the windows userbase went from workgroup
> to AD, now on AD 2008R2. Everything seems to work flawlessly till a
> new user was added to the AD. From my samba server I can't see it in
> the getent passwd list (the others are all there) tough wbinfo -a
> newuser%password says:
> 
> plaintext password authentication succeeded
> challenge/response password authentication succeeded
> 
> wbinfo -i says
> 
> failed to call wbcGetpwnam: WBC_ERR_DOMAIN_NOT_FOUND
> Could not get info for user newuser
> 
> Of course the new user cannot see it's home directory.
> 
> Of course I restarted the service, cleaned the cache and even
> bootstrapped my server, removed the *tdb files end rejoined
> the domain.
> 
> Has someone else seen the same?
> 
> My relevant configuration:
> 
> nsswitch.conf
> #
> group: winbind files
> passwd: winbind files

They should be the other way around 'files winbind'
> 
> smb4.conf:
> [global]
> 	security = ADS
> 	netbios name = HERMES
> 	server string = "HERMES"
> 	password server = 192.168.132.4 *

Remove the above line

> 	workgroup = MCS2003
> 	idmap uid = 3000-8004
> 	idmap gid = 800-1988

The above two lines are deprecated

Add these lines instead:
        idmap config * : backend = tdb
        idmap config * : range = 10000-11000

> 	idmap config MCS2003 : backend = rid
> 	idmap config MCS2003 : range = 3000 - 8004

Change the above line to:
        idmap config MCS2003 : range = 800-8004

> 	winbind enum users = yes
> 	winbind enum groups = yes

Remove the above two lines

> 	template homedir = /dati/mailbox/%U
> 	template shell = /bin/tcsh
> 	os level = 2
> 	time server = Yes

Really, a Unix domain member as a time server ?

Rowland



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