[Samba] winbind warnings filling up syslog

Rowland penny rpenny at samba.org
Mon Feb 1 15:41:42 UTC 2016

On 01/02/16 15:14, HASM wrote:
> Every few minutes windbindd posts an error message like:
>    winbindd:  ../source3/libads/ldap.c:552(ads_find_dc)
>    winbindd:  ads_find_dc: name resolution for realm 'XXX.CO'
>      (domain 'XXX_01') failed: NT_STATUS_NO_LOGON_SERVERS
> where XXX.CO is the domain name of a company my company
> recently acquired and XXX_01 seems to be like they name of
> the DCs around here.
> I'm assuming winbindd is looking this up on the AD, even
> though I have realm/default realm configured in smb.conf,
> krb5.conf and no mention of XXX.CO in there or in ldap.conf
> (actually nowhere in this box).
> How can I shut this thing up?  I've also seen, not sure
> whether related, winbindd shooting up to 100% CPU (of this
> dual core box.)
> -- HASM

How are you running Samba ?
What version of Samba ?
Can you post (sanitized) versions of smb.conf, /etc/resolv.conf, 


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