[Samba] Windows 2008 pdc troubles

Richard Smits R.Smits at tudelft.nl
Thu Apr 1 07:24:45 MDT 2010

We are in the process of upgading our windows 2003 pdc's to windows 
2008Rr2. No problem there, but our samba/winbind clients are beginning 
to show some strange behaviour.

In the beginning we saw a lot of messages appear in the logfiles.

Example :
pr  1 14:07:36 srvxxx winbindd[5148]:   rpc_api_pipe: Remote machine 
pdc.company.net pipe \NETLOGON fnum 0x4003returned critical error. Error 

The clients who were connected to our 2003 pdc did not have this problem.
Now we are getting reports that some mounts are failing, and joining a 
machine to the domain is also failing with a kerberos error. (ticket not 
valid ?)

Some more messages :

winbindd.log :
[2010/04/01 14:54:10, 1] nsswitch/winbindd_util.c:trustdom_recv(229)
Could not receive trustdoms

[2010/03/31 10:02:25, 1] libsmb/clientgen.c:cli_rpc_pipe_close(386)
cli_rpc_pipe_close: cli_close failed on pipe \NETLOGON, fnum 0x4007 to 
machine pdc.company.net.  Error was SUCCESS - 0

We are using samba version samba-3.0.28-1.el5_2.1 on rhel5.

What can we do to troubleshoot or solve this problem ?

Greetings ... Richard

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