[Samba] Samba 3.0.2 ADS Member - Failed to verify incoming ticket!

TBrown at neurology.ahsc.arizona.edu TBrown at neurology.ahsc.arizona.edu
Fri Feb 13 17:20:59 GMT 2004

I am having similar issues:

I'm using Heimdal Kerberos (heimdal-0.6-67) and Windows 2000 Advanced
Server. I've spent a bit of time working on the krb5.conf file to determine
encryption settings that essentially work. I can only get the Samba 3.0.2
server talking to the Windows 2000 ADS when the default_etypes are set to:
des-cbc-crc. If I omit default etype settings, they fail to talk.

Basically I can join the ADS domain without trouble:
% s-gowers:/usr/local/samba/bin # ./net ads join
% [2004/02/09 12:54:31, 0] libads/ldap.c:ads_add_machine_acct(1006)
%  Host account for s-gowers already exists - modifying old account
% Using short domain name -- NEUROLOGY

And from here I can surf my shares on the windows 2000 server using the
smbclient //server/share -k command. Likewise, I can list the shares
available using the smbclient -k -L server. Also, I can send messages using
the smbclient -k -M host without a glitch.

But when I attempt to connect to the Samba 3.0.2 server via \\NetBIOS name
from windows, I get a usernam/password dialogue box and a bunch of entries
in the smb.log saying that:
% [2004/02/09 12:52:21, 1] smbd/sesssetup.c:reply_spnego_kerberos(173)
%   Failed to verify incoming ticket!

I cannot access these shares using the IP address instead of the NetBIOS
name either. I've been working on this for a couple days now and really
can't figure it out. I've used versions 3.0.0, 3.0.1, and now 3.0.2 with
identical results with all three. I've tried this with and without a keytab
file generated using Windows 2000 Server (ktpass).

I compiled the source using: --enable-cups --with-ads --with-winbind

Here's my krb5.conf:
        default_realm           = NEUROLOGY.AHSC.ARIZONA.EDU
        ticket_lifetime         = 2400
        clockskew               = 300
        default_etypes          = des-cbc-crc
        default_etypes_des      = des-cbc-crc
        default_keytab_name     = 'FILE:/etc/krb5.keytab'
        forwardable             = true
        dns_lookup_realm        = false
        kdc_timesync            = true
        scan_interfaces         = true

                kdc             = jackson.neurology.ahsc.arizona.edu
                admin_server    = jackson.neurology.ahsc.arizona.edu
                kpasswd_server  = jackson.neurology.ahsc.arizona.edu
                default_domain  = neurology.ahsc.arizona.edu

        .neurology.ahsc.arizona.edu = NEUROLOGY.AHSC.ARIZONA.EDU

        default = SYSLOG:NOTICE:DAEMON
        kdc     = FILE:/var/log/kdc.log
        kadmind = FILE:/var/log/kadmind.log

Tracy Steven Brown
University of Arizona
Dept. Neurology
(520) 626-4660

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                                       [Samba] Samba 3.0.2 ADS Member -    
                                       Failed to verify incoming ticket!   
             02/13/2004 05:47                                              

I use Samba 3.0.2rc2 on Suse 9.0 (heimdal 0.6-68) as a Domainmember for
-and Printservices (about 100 Users).
The Linuxbox ist added to the ADS, the User are mapped through winbindd.
Everything works..
The I upgraded to Samba 3.0.2 and if I start the daemon, after a while
follow Error occured if a Domainclient
will connect to the Sambabox:

[2004/02/13 13:33:43, 1] smbd/sesssetup.c:reply_spnego_kerberos(173)
  Failed to verify incoming ticket!
[2004/02/13 13:35:43, 1] smbd/sesssetup.c:reply_spnego_kerberos(173)
  Failed to verify incoming ticket!

A new recompile didn't help!!?
If the Client will connect through the IpAdress then it works...What

Any Help or Suggestions....

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