[Samba] first logon always fails

Jeremy Allison jra at samba.org
Sat Dec 6 20:54:00 GMT 2008

On Sat, Dec 06, 2008 at 05:47:34PM +0100, Urs Golla wrote:
> Hi
> I use winbind on Linux for authentication (using ADS acounts) on many
> servers and it works very well on all of them. I use the same configuration
> and the same Domain Controllers etc..
> I have 4 new servers which are all in a special network segment (behind a
> load balancer). On all of them I have the problem, that when I try to logon
> with my Active Diretory Account, it says "permission denied". If I try it
> again it works. Always! After that I can logon and logoff as many times as i
> want, it always works without problems. If i (and also non if the other
> users) do not logon for some hours, it starts again: first logon does not
> work, all following logons work without problems.

What version of Samba/winbindd ?

> (...)
>   write_socket: Error writing 270 bytes to socket 18: ERRNO = Connection
> reset by peer
> [2008/12/03 18:26:03, 0] libsmb/clientgen.c:cli_send_smb(189)
>   Error writing 270 bytes to client. -1 (Connection reset by peer)
> [2008/12/03 18:26:03, 0] rpc_client/cli_pipe.c:rpc_api_pipe(790)
>   rpc_api_pipe: Remote machine mydc pipe \lsarpc fnum 0x4004returned
> critical error. Error was Write error: Connection reset by peer
> [2008/12/03 18:26:03, 1] nsswitch/winbindd_group.c:winbindd_getgrnam(519)
>   group myservergroup in domain mydomain does not exist
> [2008/12/03 18:26:03, 1] libsmb/clientgen.c:cli_rpc_pipe_close(387)
>   cli_rpc_pipe_close: cli_close failed on pipe \lsarpc, fnum 0x4004 to
> machine mydc.  Error was Write error: Success

Strange, looks like the server is closing the connect.


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