When using Samba with Linux, Red Hat Enterprise Linux attempts to connect to a Windows server that acts as the domain controller. This is called a trustdom; as Linux is attempting to build a trust relationship with a Windows Domain Controller. You will see the following message in your log:
——————— samba Begin ————————
nsswitch/winbindd_util.c:trustdom_recv(243) Could not receive trustdoms : 288 Time(s)
———————- samba End ————————-
To stop this error message, you need to stop the winbind service. To do this, run the following commands:
chkconfig winbind off
service winbind stop
This will ensure that upon reboot, the service does not start. And the second command ensures that the service is stopped immediately.
Check your log tomorrow to ensure that you are no longer receiving this message.