Hi,
I'm trying to configure ad trust on a freshly installed FreeIPA server 4.4.0
running on an up-to-date instance of CentOS 7 (1611). The ipa-adtrust-install
command fails at step 17 (failed to add fallback group). As a consequence,
Samba cannot be started and AD trusts can't be established.
Here is an excerpt of the install log:
````
# ipa-adtrust-install --netbios-name=PEP06-IPA --add-sids --enable-compat
(...)
2017-06-01T13:49:29Z DEBUG [18/23]: adding fallback group
2017-06-01T13:49:29Z DEBUG flushing
ldapi://%2fvar%2frun%2fslapd-IPA-PEP06-FR.socket from SchemaCache
2017-06-01T13:49:29Z DEBUG retrieving schema for SchemaCache
url=ldapi://%2fvar%2frun%2fslapd-IPA-PEP06-FR.socket
conn=<ldap.ldapobject.SimpleLDAPObject instance at 0x62107a0>
2017-06-01T13:49:30Z DEBUG Starting external process
2017-06-01T13:49:30Z DEBUG args=/usr/bin/ldapmodify -v -f /tmp/tmpyj5xIJ -H
ldapi://%2fvar%2frun%2fslapd-IPA-PEP06-FR.socket -Y EXTERNAL
2017-06-01T13:49:30Z DEBUG Process finished, return code=1
2017-06-01T13:49:30Z DEBUG stdout=add cn:
Default SMB Group
add description:
Fallback group for primary group RID, do not add users to this group
add gidnumber:
-1
add objectclass:
top
ipaobject
posixgroup
adding new entry "cn=Default SMB
Group,cn=groups,cn=accounts,dc=ipa,dc=pep06,dc=fr"
2017-06-01T13:49:30Z DEBUG stderr=ldap_initialize(
ldapi://%2Fvar%2Frun%2Fslapd-IPA-PEP06-FR.socket/??base )
SASL/EXTERNAL authentication started
SASL username: gidNumber=0+uidNumber=0,cn=peercred,cn=external,cn=auth
SASL SSF: 0
ldap_add: Operations error (1)
additional info: Allocation of a new value for range cn=posix
ids,cn=distributed numeric assignment plugin,cn=plugins,cn=config failed!
Unable to proceed.
2017-06-01T13:49:30Z CRITICAL Failed to load default-smb-group.ldif: Command
'/usr/bin/ldapmodify -v -f /tmp/tmpyj5xIJ -H
ldapi://%2fvar%2frun%2fslapd-IPA-PEP06-FR.socket -Y EXTERNAL' returned non-zero
exit status 1
2017-06-01T13:49:30Z DEBUG Failed to add fallback group.
2017-06-01T13:49:30Z DEBUG duration: 0 seconds
(...)
````
In the end, Samba logically fails to start with the following error:
````
Missing mandatory attribute ipaNTFallbackPrimaryGroup.
````
I ran the same command one week ago on another server and had no issue.
Does anybody have an idea about what to do to make it work ?
Thanks,
Marin BERNARD
Administrateur systèmes
Pupilles de l’Enseignement Public 06
35 boulevard de la Madeleine — 06300 Nice
marin.bernard[at]pep06.fr
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