[Samba] Samba4 - Cannot contact any KDC for requested realm
Daniele Manfredi
dmanfredi at rta.it
Tue Mar 22 13:35:16 UTC 2016
Good afternoon,
I have installed a fileserver with samba4 environment.
This is configured to works as AD-DC even if I only use it as a
fileserver (at the moment).
All seems to works fine but, every 10 minutes, the log print these messages:
Mar 22 11:53:17 fileserver samba[1946]: [2016/03/22 11:53:17.557554, 0]
../lib/util/util_runcmd.c:324(samba_runcmd_io_handler)
Mar 22 11:53:17 fileserver samba[1946]:
/usr/local/samba/sbin/samba_dnsupdate: Traceback (most recent call last):
Mar 22 11:53:17 fileserver samba[1946]: [2016/03/22 11:53:17.557717, 0]
../lib/util/util_runcmd.c:324(samba_runcmd_io_handler)
Mar 22 11:53:17 fileserver samba[1946]:
/usr/local/samba/sbin/samba_dnsupdate: File
"/usr/local/samba/sbin/samba_dnsupdate", line 614, in <module>
Mar 22 11:53:17 fileserver samba[1946]: [2016/03/22 11:53:17.557790, 0]
../lib/util/util_runcmd.c:324(samba_runcmd_io_handler)
Mar 22 11:53:17 fileserver samba[1946]:
/usr/local/samba/sbin/samba_dnsupdate: get_credentials(lp)
Mar 22 11:53:17 fileserver samba[1946]: [2016/03/22 11:53:17.557825, 0]
../lib/util/util_runcmd.c:324(samba_runcmd_io_handler)
Mar 22 11:53:17 fileserver samba[1946]:
/usr/local/samba/sbin/samba_dnsupdate: File
"/usr/local/samba/sbin/samba_dnsupdate", line 125, in get_credentials
Mar 22 11:53:17 fileserver samba[1946]: [2016/03/22 11:53:17.557867, 0]
../lib/util/util_runcmd.c:324(samba_runcmd_io_handler)
Mar 22 11:53:17 fileserver samba[1946]:
/usr/local/samba/sbin/samba_dnsupdate: raise e
Mar 22 11:53:17 fileserver samba[1946]: [2016/03/22 11:53:17.557896, 0]
../lib/util/util_runcmd.c:324(samba_runcmd_io_handler)
Mar 22 11:53:17 fileserver samba[1946]:
/usr/local/samba/sbin/samba_dnsupdate: RuntimeError: kinit for
FILESERVER$@MYDOMAIN.IT failed (Cannot contact any KDC for requested realm)
Mar 22 11:53:17 fileserver samba[1946]: [2016/03/22 11:53:17.557967, 0]
../lib/util/util_runcmd.c:324(samba_runcmd_io_handler)
Mar 22 11:53:17 fileserver samba[1946]:
/usr/local/samba/sbin/samba_dnsupdate:
Following, some configuration files that may help you to understand the
problem.
/etc/krb5.conf and /usr/local/samba/private/krb5.conf:
[libdefaults]
default_realm = MYDOMAIN.IT
dns_lookup_realm = false
dns_lookup_kdc = true
smb.conf
# Global parameters
[global]
realm = mydomain.it
server role = active directory domain controller
server services = -dns
printcap name = /dev/null
unix extensions = no
printing = bsd
dns forwarder = 8.8.8.8
workgroup = MYDOMAIN
os level = 255
interfaces = 192.168.0.221/255.255.255.0
load printers = no
netbios name = FILESERVER
winbind use default domain = yes
winbind trusted domains only = no
Thank you in advance for your help.
Daniele
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