[Samba] Cannot contact any KDC for requested realm

[Anton Blau]

Hello,

please excuse my bad englisch. I am not a native speaker.

I try to install Samba 4 as a active directory domain controller but I 
get always this message in the /var/log/syslog:

Jul 18 11:42:41 file winbindd[1100]: [2018/07/18 11:42:41.609594,  0] 
../source3/winbindd/winbindd_cache.c:3235(initialize_winbindd_cache)
Jul 18 11:42:41 file winbindd[1100]:   initialize_winbindd_cache: 
clearing cache and re-creating with version number 2
Jul 18 11:42:41 file winbindd[1100]: [2018/07/18 11:42:41.933317, 0] 
../lib/util/become_daemon.c:124(daemon_ready)
Jul 18 11:42:41 file winbindd[1100]:   STATUS=daemon 'winbindd' finished 
starting up and ready to serve connections
Jul 18 11:42:42 file smbd[1099]: [2018/07/18 11:42:42.114985,  0] 
../lib/util/become_daemon.c:124(daemon_ready)
Jul 18 11:42:42 file smbd[1099]:   STATUS=daemon 'smbd' finished 
starting up and ready to serve connections
Jul 18 11:42:42 file samba[1094]: [2018/07/18 11:42:42.176270,  0] 
../lib/util/util_runcmd.c:324(samba_runcmd_io_handler)
Jul 18 11:42:42 file samba[1094]:   /usr/sbin/samba_dnsupdate: Traceback 
(most recent call last):
Jul 18 11:42:42 file samba[1094]: [2018/07/18 11:42:42.176363,  0] 
../lib/util/util_runcmd.c:324(samba_runcmd_io_handler)
Jul 18 11:42:42 file samba[1094]:   /usr/sbin/samba_dnsupdate: File 
"/usr/sbin/samba_dnsupdate", line 614, in <module>
Jul 18 11:42:42 file samba[1094]: [2018/07/18 11:42:42.176400,  0] 
../lib/util/util_runcmd.c:324(samba_runcmd_io_handler)
Jul 18 11:42:42 file samba[1094]:   /usr/sbin/samba_dnsupdate: 
get_credentials(lp)
Jul 18 11:42:42 file samba[1094]: [2018/07/18 11:42:42.176426,  0] 
../lib/util/util_runcmd.c:324(samba_runcmd_io_handler)
Jul 18 11:42:42 file samba[1094]:   /usr/sbin/samba_dnsupdate: File 
"/usr/sbin/samba_dnsupdate", line 125, in get_credentials
Jul 18 11:42:42 file samba[1094]: [2018/07/18 11:42:42.176449,  0] 
../lib/util/util_runcmd.c:324(samba_runcmd_io_handler)
Jul 18 11:42:42 file samba[1094]:   /usr/sbin/samba_dnsupdate: raise e
Jul 18 11:42:42 file samba[1094]: [2018/07/18 11:42:42.176479,  0] 
../lib/util/util_runcmd.c:324(samba_runcmd_io_handler)
Jul 18 11:42:42 file samba[1094]:   /usr/sbin/samba_dnsupdate: 
RuntimeError: kinit for FILE$@SMBDOMAIN.FILE.DUCK failed (Cannot contact 
any KDC for requested realm)
Jul 18 11:42:42 file samba[1094]: [2018/07/18 11:42:42.176609,  0] 
../lib/util/util_runcmd.c:324(samba_runcmd_io_handler)
Jul 18 11:42:42 file samba[1094]:   /usr/sbin/samba_dnsupdate:
Jul 18 11:42:42 file postfix/master[1201]: daemon started -- version 
2.11.3, configuration /etc/postfix
Jul 18 11:43:37 file smbd[1172]: [2018/07/18 11:43:37.881686,  0] 
../lib/util/pidfile.c:153(pidfile_unlink)
Jul 18 11:43:37 file smbd[1172]:   Failed to delete pidfile 
/var/run/samba/smbd.pid. Error was No such file or directory
Jul 18 11:43:37 file samba[1082]: [2018/07/18 11:43:37.884606,  0] 
../file_server/file_server.c:48(file_server_smbd_done)
Jul 18 11:43:37 file samba[1082]:   file_server smbd daemon exited normally
Jul 18 11:43:37 file samba[970]: [2018/07/18 11:43:37.885830,  0] 
../source4/smbd/server.c:211(samba_terminate)
Jul 18 11:43:37 file samba[970]:   samba_terminate: smbd child process 
exited

/etc/samba/smb.conf

# Global parameters
[global]
         workgroup = SMBDOMAIN
         realm = SMBDOMAIN.FILE.DUCK
         netbios name = FILE
         server role = active directory domain controller
         dns forwarder = 192.168.1.254
         idmap_ldb:use rfc2307 = yes

[netlogon]
         path = /var/lib/samba/sysvol/smbdomain.file.duck/scripts
         read only = No

[sysvol]
         path = /var/lib/samba/sysvol
         read only = No

/etc/hosts

127.0.0.1       localhost
::1             localhost ip6-localhost ip6-loopback
ff02::1         ip6-allnodes
ff02::2         ip6-allrouters
# --- BEGIN PVE ---
192.168.1.221 file.duck file
# --- END PVE ---

What is wrong in my configruation?


Thank you!


Tony