Hi All,

Last week I bound my computer to Active Directory and everything was working 
fine but as of today authentication has started to fail.

SSSD log

In the logs (debug = 7) I see:

(Mon May 23 17:18:58 2016) [sssd[be[petermac.org.au]]] 
[be_resolve_server_process] (0x0200): Found address for server 
pmc-dc2.petermac.org.au: [172.23.8.18] TTL 3600
(Mon May 23 17:18:58 2016) [sssd[be[petermac.org.au]]] [ad_resolve_callback] 
(0x0100): Constructed uri 'ldap://pmc-dc2.petermac.org.au'
(Mon May 23 17:18:58 2016) [sssd[be[petermac.org.au]]] [ad_resolve_callback] 
(0x0100): Constructed GC uri 'ldap://pmc-dc2.petermac.org.au'
(Mon May 23 17:18:58 2016) [sssd[be[petermac.org.au]]] [write_pipe_handler] 
(0x0400): All data has been sent!
(Mon May 23 17:18:58 2016) [[sssd[krb5_child[6572]]]] [main] (0x0400): 
krb5_child started.
(Mon May 23 17:18:58 2016) [[sssd[krb5_child[6572]]]] [unpack_buffer] (0x1000): 
total buffer size: [136]
(Mon May 23 17:18:58 2016) [[sssd[krb5_child[6572]]]] [unpack_buffer] (0x0100): 
cmd [241] uid [1501] gid [1501] validate [true] enterprise principal [true] 
offline [false] UPN [Ellul [email protected]]
(Mon May 23 17:18:58 2016) [[sssd[krb5_child[6572]]]] [unpack_buffer] (0x0100): 
ccname: [KEYRING:persistent:1501] old_ccname: [not set] keytab: 
[/etc/krb5.keytab]
(Mon May 23 17:18:58 2016) [[sssd[krb5_child[6572]]]] [check_use_fast] 
(0x0100): Not using FAST.
(Mon May 23 17:18:58 2016) [[sssd[krb5_child[6572]]]] [privileged_krb5_setup] 
(0x0080): Cannot open the PAC responder socket
(Mon May 23 17:18:58 2016) [[sssd[krb5_child[6572]]]] [become_user] (0x0200): 
Trying to become user [1501][1501].
(Mon May 23 17:18:58 2016) [[sssd[krb5_child[6572]]]] [set_lifetime_options] 
(0x0100): Cannot read [SSSD_KRB5_RENEWABLE_LIFETIME] from environment.
(Mon May 23 17:18:58 2016) [[sssd[krb5_child[6572]]]] [set_lifetime_options] 
(0x0100): Cannot read [SSSD_KRB5_LIFETIME] from environment.
(Mon May 23 17:18:58 2016) [[sssd[krb5_child[6572]]]] [set_canonicalize_option] 
(0x0100): SSSD_KRB5_CANONICALIZE is set to [true]
(Mon May 23 17:18:58 2016) [[sssd[krb5_child[6572]]]] [main] (0x0400): Will 
perform online auth
(Mon May 23 17:18:58 2016) [[sssd[krb5_child[6572]]]] [tgt_req_child] (0x1000): 
Attempting to get a TGT
(Mon May 23 17:18:58 2016) [[sssd[krb5_child[6572]]]] [get_and_save_tgt] 
(0x0400): Attempting kinit for realm [PETERMAC.ORG.AU]
(Mon May 23 17:18:58 2016) [[sssd[krb5_child[6572]]]] [validate_tgt] (0x0020): 
TGT failed verification using key for [[email protected]].
(Mon May 23 17:18:58 2016) [[sssd[krb5_child[6572]]]] [get_and_save_tgt] 
(0x0020): 1240: [-1765328340][Cannot find key for [email protected] kvno 
3 in keytab]
(Mon May 23 17:18:58 2016) [[sssd[krb5_child[6572]]]] [map_krb5_error] 
(0x0020): 1301: [-1765328340][Cannot find key for [email protected] kvno 
3 in keytab]
(Mon May 23 17:18:58 2016) [[sssd[krb5_child[6572]]]] [k5c_send_data] (0x0200): 
Received error code 1432158209
(Mon May 23 17:18:58 2016) [[sssd[krb5_child[6572]]]] [main] (0x0400): 
krb5_child completed successfully
(Mon May 23 17:18:58 2016) [sssd[be[petermac.org.au]]] [read_pipe_handler] 
(0x0400): EOF received, client finished
(Mon May 23 17:18:58 2016) [sssd[be[petermac.org.au]]] 
[parse_krb5_child_response] (0x1000): child response [1432158209][6][8].
(Mon May 23 17:18:58 2016) [sssd[be[petermac.org.au]]] [check_wait_queue] 
(0x1000): Wait queue for user [Ellul Jason] is empty.
(Mon May 23 17:18:58 2016) [sssd[be[petermac.org.au]]] [krb5_auth_queue_done] 
(0x1000): krb5_auth_queue request [0x555f73e8b420] done.
(Mon May 23 17:18:58 2016) [sssd[be[petermac.org.au]]] 
[be_pam_handler_callback] (0x0100): Backend returned: (0, 4, <NULL>) [Success]
(Mon May 23 17:18:58 2016) [sssd[be[petermac.org.au]]] 
[be_pam_handler_callback] (0x0100): Sending result [4][petermac.org.au]
(Mon May 23 17:18:58 2016) [sssd[be[petermac.org.au]]] 
[be_pam_handler_callback] (0x0100): Sent result [4][petermac.org.au]
(Mon May 23 17:18:58 2016) [sssd[be[petermac.org.au]]] [child_sig_handler] 
(0x1000): Waiting for child [6572].
(Mon May 23 17:18:58 2016) [sssd[be[petermac.org.au]]] [child_sig_handler] 
(0x0100): child [6572] finished successfully.
(Mon May 23 17:18:58 2016) [sssd[pam]] [pam_dp_process_reply] (0x0200): 
received: [4 (System error)][petermac.org.au]
(Mon May 23 17:18:58 2016) [sssd[pam]] [pam_reply] (0x0200): pam_reply called 
with result [4]: System error.
(Mon May 23 17:18:58 2016) [sssd[pam]] [pam_reply] (0x0200): blen: 32
(Mon May 23 17:18:58 2016) [sssd[pam]] [client_recv] (0x0200): Client 
disconnected!
(Mon May 23 17:18:59 2016) [sssd[nss]] [client_recv] (0x0200): Client 
disconnected!

[root@la35185 jellul]# klist -k -t /etc/krb5.keytab
Keytab name: FILE:/etc/krb5.keytab
KVNO Timestamp         Principal
---- ----------------- --------------------------------------------------------
   2 23/05/16 12:55:53 [email protected]
   2 23/05/16 12:55:53 [email protected]
   2 23/05/16 12:55:53 [email protected]
   2 23/05/16 12:55:53 [email protected]
   2 23/05/16 12:55:53 [email protected]
   2 23/05/16 12:55:53 HOST/[email protected]
   2 23/05/16 12:55:53 HOST/[email protected]
   2 23/05/16 12:55:53 HOST/[email protected]
   2 23/05/16 12:55:53 HOST/[email protected]
   2 23/05/16 12:55:53 HOST/[email protected]
   2 23/05/16 12:55:53 HOST/[email protected]
   2 23/05/16 12:55:53 HOST/[email protected]
   2 23/05/16 12:55:53 HOST/[email protected]
   2 23/05/16 12:55:53 HOST/[email protected]
   2 23/05/16 12:55:53 HOST/[email protected]
   2 23/05/16 12:55:53 RestrictedKrbHost/[email protected]
   2 23/05/16 12:55:53 RestrictedKrbHost/[email protected]
   2 23/05/16 12:55:53 RestrictedKrbHost/[email protected]
   2 23/05/16 12:55:53 RestrictedKrbHost/[email protected]
   2 23/05/16 12:55:53 RestrictedKrbHost/[email protected]
   2 23/05/16 12:55:53 RestrictedKrbHost/[email protected]
   2 23/05/16 12:55:54 RestrictedKrbHost/[email protected]
   2 23/05/16 12:55:54 RestrictedKrbHost/[email protected]
   2 23/05/16 12:55:54 RestrictedKrbHost/[email protected]
   2 23/05/16 12:55:54 RestrictedKrbHost/[email protected]

Many thanks

Jason
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