Hi,

for testing i've installed an FreeIPA-Server with a trust to an
AD-Server. On IdM i can resolve AD-users with 'id usern...@example.com',
on IdM member client not.

AD-Domain is Server 2012R2 as 'example.com'
IdM is latest CentOS 7 with ipa-server-4.4.0-14.el7.centos.7.x86_64 as
'ipa.example.com'
IdM member client is latest CentOS 7 with
sssd-client-1.14.0-43.el7_3.18.x86_64

Here an example on an Centos 7 client:
ipa-member> id usern...@example.com
id: 'usern...@example.com': no such user

Logmessages, with log_level=10, shows:
ipa-member> tail -f /var/log/sssd/sssd_ipa.example.com.log | grep s2n
(Fri Aug 18 11:38:08 2017) [sssd[be[ipa.example.com]]]
[ipa_s2n_exop_send] (0x0400): Executing extended operation
(Fri Aug 18 11:38:08 2017) [sssd[be[ipa.example.com]]]
[ipa_s2n_exop_send] (0x2000): ldap_extended_operation sent, msgid = 13
(Fri Aug 18 11:38:09 2017) [sssd[be[ipa.example.com]]]
[ipa_s2n_exop_done] (0x0400): ldap_extended_operation result:
Success(0), (null).
(Fri Aug 18 11:38:09 2017) [sssd[be[ipa.example.com]]]
[ipa_s2n_exop_send] (0x0400): Executing extended operation
(Fri Aug 18 11:38:09 2017) [sssd[be[ipa.example.com]]]
[ipa_s2n_exop_send] (0x2000): ldap_extended_operation sent, msgid = 14
(Fri Aug 18 11:38:09 2017) [sssd[be[ipa.example.com]]]
[ipa_s2n_exop_done] (0x0040): ldap_extended_operation result: No such
object(32), (null).
(Fri Aug 18 11:38:09 2017) [sssd[be[ipa.example.com]]]
[ipa_s2n_get_fqlist_next] (0x0040): s2n exop request failed.
(Fri Aug 18 11:38:09 2017) [sssd[be[ipa.example.com]]]
[ipa_s2n_get_fqlist_done] (0x0040): s2n get_fqlist request failed.

Running on IdM:
ipa-server> id usern...@example.com
uid=299801104(username) gid=299801104(username)
Gruppen=299801104(username),299800513(domänen-benutzer),299801109(mitarbeiter),556800008(ad_users)

Any help is welcome.

Michael

----- /etc/sssd.conf on ipa-member -----
[domain/ipa.example.com]

cache_credentials = True
krb5_store_password_if_offline = True
ipa_domain = ipa.example.com
id_provider = ipa
auth_provider = ipa
access_provider = ipa
ipa_hostname = ipa-server.ipa.example.com
chpass_provider = ipa
dyndns_update = True
ipa_server = _srv_, ipa-server.ipa.example.com
dyndns_iface = eth0
ldap_tls_cacert = /etc/ipa/ca.crt
debug_level = 10

[sssd]
debug_level = 10
services = nss, sudo, pam, ssh
domains = ipa.example.com

[nss]
debug_level = 10
homedir_substring = /home

[pam]
debug_level = 10

[sudo]

[autofs]

[ssh]

[pac]
debug_level = 10

[ifp]

----- /etc/sssd.conf on ipa-server -----
[domain/ipa.example.com]

cache_credentials = True
krb5_store_password_if_offline = True
ipa_domain = ipa.example.com
id_provider = ipa
auth_provider = ipa
access_provider = ipa
ipa_hostname = ipa-server.ipa.example.com
chpass_provider = ipa
ipa_server = ipa-server.ipa.example.com
chpass_provider = ipa
ipa_server_mode = True
ldap_tls_cacert = /etc/ipa/ca.crt
subdomain_homedir = /home/%u
shell_fallback = /bin/bash
debug_level = 10

[sssd]
services = nss, sudo, pam, ssh
domains = ipa.example.com

[nss]
memcache_timeout = 600
homedir_substring = /home

[pam]

[sudo]

[autofs]

[ssh]

[pac]

[ifp]


----- complete log messages for 'id usern...@example.com' on ipa-member
-----
(Fri Aug 18 11:54:05 2017) [sssd[be[ipa.example.com]]]
[sysdb_search_user_by_upn] (0x0400): No entry with upn
[usern...@example.com] found.
(Fri Aug 18 11:54:05 2017) [sssd[be[ipa.example.com]]]
[ipa_id_get_account_info_orig_done] (0x0080): Object not found, ending
request
(Fri Aug 18 11:54:05 2017) [sssd[be[ipa.example.com]]] [dp_req_done]
(0x0400): DP Request [Account #5]: Request handler finished [0]: Erfolg
(Fri Aug 18 11:54:05 2017) [sssd[be[ipa.example.com]]] [_dp_req_recv]
(0x0400): DP Request [Account #5]: Receiving request data.
(Fri Aug 18 11:54:05 2017) [sssd[be[ipa.example.com]]]
[dp_req_reply_list_success] (0x0400): DP Request [Account #5]: Finished.
Success.
(Fri Aug 18 11:54:05 2017) [sssd[be[ipa.example.com]]]
[dp_req_reply_std] (0x1000): DP Request [Account #5]: Returning
[Success]: 0,0,Success
(Fri Aug 18 11:54:05 2017) [sssd[be[ipa.example.com]]]
[dp_table_value_destructor] (0x0400): Removing
[0:1:0x0001:1:1:U:ipa.example.com:name=usern...@example.com] from reply
table
(Fri Aug 18 11:54:05 2017) [sssd[be[ipa.example.com]]]
[dp_req_destructor] (0x0400): DP Request [Account #5]: Request removed.
(Fri Aug 18 11:54:05 2017) [sssd[be[ipa.example.com]]]
[dp_req_destructor] (0x0400): Number of active DP request: 0
(Fri Aug 18 11:54:05 2017) [sssd[be[ipa.example.com]]]
[sdap_process_result] (0x2000): Trace: sh[0x7f14ec425550], connected[1],
ops[(nil)], ldap[0x7f14ec409710]
(Fri Aug 18 11:54:05 2017) [sssd[be[ipa.example.com]]]
[sdap_process_result] (0x2000): Trace: end of ldap_result list
(Fri Aug 18 11:54:05 2017) [sssd[be[ipa.example.com]]] [sbus_dispatch]
(0x4000): dbus conn: 0x7f14ec428290
(Fri Aug 18 11:54:05 2017) [sssd[be[ipa.example.com]]] [sbus_dispatch]
(0x4000): Dispatching.
(Fri Aug 18 11:54:05 2017) [sssd[be[ipa.example.com]]]
[sbus_message_handler] (0x2000): Received SBUS method
org.freedesktop.sssd.dataprovider.getAccountInfo on path
/org/freedesktop/sssd/dataprovider
(Fri Aug 18 11:54:05 2017) [sssd[be[ipa.example.com]]]
[sbus_get_sender_id_send] (0x2000): Not a sysbus message, quit
(Fri Aug 18 11:54:05 2017) [sssd[be[ipa.example.com]]]
[dp_get_account_info_handler] (0x0200): Got request for
[0x1][BE_REQ_USER][1][name=usern...@example.com]
(Fri Aug 18 11:54:05 2017) [sssd[be[ipa.example.com]]] [dp_attach_req]
(0x0400): DP Request [Account #6]: New request. Flags [0x0001].
(Fri Aug 18 11:54:05 2017) [sssd[be[ipa.example.com]]] [dp_attach_req]
(0x0400): Number of active DP request: 1
(Fri Aug 18 11:54:05 2017) [sssd[be[ipa.example.com]]]
[sdap_id_op_connect_step] (0x4000): reusing cached connection
(Fri Aug 18 11:54:05 2017) [sssd[be[ipa.example.com]]]
[ipa_s2n_exop_send] (0x0400): Executing extended operation
(Fri Aug 18 11:54:05 2017) [sssd[be[ipa.example.com]]]
[ipa_s2n_exop_send] (0x2000): ldap_extended_operation sent, msgid = 12
(Fri Aug 18 11:54:05 2017) [sssd[be[ipa.example.com]]] [sdap_op_add]
(0x2000): New operation 12 timeout 6
(Fri Aug 18 11:54:05 2017) [sssd[be[ipa.example.com]]]
[sdap_process_result] (0x2000): Trace: sh[0x7f14ec425550], connected[1],
ops[0x7f14ec40ca10], ldap[0x7f14ec409710]
(Fri Aug 18 11:54:05 2017) [sssd[be[ipa.example.com]]]
[sdap_process_message] (0x4000): Message type: [LDAP_RES_EXTENDED]
(Fri Aug 18 11:54:05 2017) [sssd[be[ipa.example.com]]]
[ipa_s2n_exop_done] (0x0040): ldap_extended_operation result: No such
object(32), (null).
(Fri Aug 18 11:54:05 2017) [sssd[be[ipa.example.com]]]
[sdap_op_destructor] (0x2000): Operation 12 finished
(Fri Aug 18 11:54:05 2017) [sssd[be[ipa.example.com]]]
[ipa_s2n_get_user_done] (0x0040): s2n exop request failed.
(Fri Aug 18 11:54:05 2017) [sssd[be[ipa.example.com]]] [sdap_id_op_done]
(0x4000): releasing operation connection
(Fri Aug 18 11:54:05 2017) [sssd[be[ipa.example.com]]] [dp_req_done]
(0x0400): DP Request [Account #6]: Request handler finished [0]: Erfolg
(Fri Aug 18 11:54:05 2017) [sssd[be[ipa.example.com]]] [_dp_req_recv]
(0x0400): DP Request [Account #6]: Receiving request data.
(Fri Aug 18 11:54:05 2017) [sssd[be[ipa.example.com]]]
[dp_req_reply_list_success] (0x0400): DP Request [Account #6]: Finished.
Success.
(Fri Aug 18 11:54:05 2017) [sssd[be[ipa.example.com]]]
[dp_req_reply_std] (0x1000): DP Request [Account #6]: Returning
[Success]: 0,0,Success
(Fri Aug 18 11:54:05 2017) [sssd[be[ipa.example.com]]]
[dp_table_value_destructor] (0x0400): Removing
[0:1:0x0001:1:1:U:webtrekk.com:name=usern...@example.com] from reply table
(Fri Aug 18 11:54:05 2017) [sssd[be[ipa.example.com]]]
[dp_req_destructor] (0x0400): DP Request [Account #6]: Request removed.
(Fri Aug 18 11:54:05 2017) [sssd[be[ipa.example.com]]]
[dp_req_destructor] (0x0400): Number of active DP request: 0
(Fri Aug 18 11:54:05 2017) [sssd[be[ipa.example.com]]]
[sdap_process_result] (0x2000): Trace: sh[0x7f14ec425550], connected[1],
ops[(nil)], ldap[0x7f14ec409710]
(Fri Aug 18 11:54:05 2017) [sssd[be[ipa.example.com]]]
[sdap_process_result] (0x2000): Trace: end of ldap_result list

-- 


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