samba - May 2009 - netlogon_creds_server_check failed. Rejecting auth request from client

Hi,

I upgraded my PDC from 3.0.34 to 3.3.4. Now my member server (also 3.3.4) 
leave the following messages in their log on the PDC:

[2009/05/29 21:50:17,  0] 
rpc_server/srv_netlog_nt.c:_netr_ServerAuthenticate2(546)
   _netr_ServerAuthenticate2: netlogon_creds_server_check failed. Rejecting 
auth request from client NUCLEUS machine account NUCLEUS$

I deleted the machine account and rejoined the domain. In this case, this 
messages also comes up, so I created a debug level 10 logfile of the joining:

http://www.onlyfree.de/php/pasteservice/show.php?id=18659

Any idea what cause this message? Clients and connections from the member 
server are fine.

Regards,
Marc