ERR - attrlist_replace - attr_replace (nsslapd-referral,

[James Harrison]

Hello,
We have a machine with the following set up:
CentOS Linux release 7.4.1708 (Core)ipa-server-4.5.0-21.el7.centos.2.2.x86_64
CA-less setup 

We're getting a lot of errors on one of our FreeIPA servers. Hope you can help.
Many thanksJames Harrison

[31/Jul/2018:12:19:05.542401358 +0100] - ERR - cos-plugin - cos_dn_defs_cb - Skipping CoS
Definition cn=Password Policy,cn=accounts,dc=int,dc=DOMAIN,dc=com--no CoS Templates found,
which should be added before the CoS Definition.
[31/Jul/2018:12:19:05.611267011 +0100] - ERR - attrlist_replace - attr_replace
(nsslapd-referral, ldap://cro-system-02.DOMAINNAME:389/dc%3Dint%2Cdc%3DDOMAIN%2Cdc%3Dcom)
failed.
[31/Jul/2018:12:19:05.613868420 +0100] - ERR - attrlist_replace - attr_replace
(nsslapd-referral, ldap://cro-system-02.DOMAINNAME:389/dc%3Dint%2Cdc%3DDOMAIN%2Cdc%3Dcom)
failed.
[31/Jul/2018:12:19:05.634974836 +0100] - ERR - schema-compat-plugin - schema-compat-plugin
tree scan will start in about 5 seconds!
[31/Jul/2018:12:19:05.646685174 +0100] - ERR - set_krb5_creds - Could not get initial
credentials for principal [ldap/pul-system-01.DOMAINNAME@DOMAINNAME] in keytab
[FILE:/etc/dirsrv/ds.keytab]: -1765328324 (Generic error (see e-text))
[31/Jul/2018:12:19:05.657290290 +0100] - INFO - slapd_daemon - slapd started.  Listening
on All Interfaces port 389 for LDAP requests
[31/Jul/2018:12:19:05.660478907 +0100] - INFO - slapd_daemon - Listening on All Interfaces
port 636 for LDAPS requests
[31/Jul/2018:12:19:05.664268080 +0100] - INFO - slapd_daemon - Listening on
/var/run/slapd-INT-DOMAIN-COM.socket for LDAPI requests
[31/Jul/2018:12:19:05.712942138 +0100] - ERR - NSMMReplicationPlugin - bind_and_check_pwp
- agmt="cn=pul-system-01.DOMAINNAME-to-pul-system-02.DOMAINNAME"
(pul-system-02:389) - Replication bind with GSSAPI auth failed: LDAP error -6 (Unknown
authentication method) (SASL(-4): no mechanism available: No worthy mechs found)
[31/Jul/2018:12:19:08.916600270 +0100] - INFO - NSMMReplicationPlugin - bind_and_check_pwp
- agmt="cn=pul-system-01.DOMAINNAME-to-pul-system-02.DOMAINNAME"
(pul-system-02:389): Replication bind with GSSAPI auth resumed
[31/Jul/2018:12:19:11.139026788 +0100] - ERR - schema-compat-plugin - warning: no entries
set up under cn=computers, cn=compat,dc=int,dc=DOMAIN,dc=com
[31/Jul/2018:12:19:11.143128988 +0100] - ERR - schema-compat-plugin - Finished plugin
initialization.
[31/Jul/2018:12:19:26.258468102 +0100] - ERR - ipa-topology-plugin -
ipa_topo_util_get_replica_conf: server configuration missing
[31/Jul/2018:12:19:26.261488755 +0100] - ERR - ipa-topology-plugin -
ipa_topo_util_get_replica_conf: cannot create replica
[31/Jul/2018:12:19:41.405312942 +0100] - ERR - attrlist_replace - attr_replace
(nsslapd-referral, ldap://cro-system-02.DOMAINNAME:389/dc%3Dint%2Cdc%3DDOMAIN%2Cdc%3Dcom)
failed.
[31/Jul/2018:12:19:41.407352984 +0100] - ERR - attrlist_replace - attr_replace
(nsslapd-referral, ldap://cro-system-02.DOMAINNAME:389/dc%3Dint%2Cdc%3DDOMAIN%2Cdc%3Dcom)
failed.
[31/Jul/2018:12:19:41.409312145 +0100] - ERR - attrlist_replace - attr_replace
(nsslapd-referral, ldap://cro-system-02.DOMAINNAME:389/dc%3Dint%2Cdc%3DDOMAIN%2Cdc%3Dcom)
failed.
[31/Jul/2018:12:19:44.484329977 +0100] - ERR - attrlist_replace - attr_replace
(nsslapd-referral, ldap://hk-system-02.DOMAINNAME:389/dc%3Dint%2Cdc%3DDOMAIN%2Cdc%3Dcom)
failed.
[31/Jul/2018:12:19:44.489032389 +0100] - ERR - attrlist_replace - attr_replace
(nsslapd-referral, ldap://hk-system-02.DOMAINNAME:389/dc%3Dint%2Cdc%3DDOMAIN%2Cdc%3Dcom)
failed.
[31/Jul/2018:12:19:44.490775486 +0100] - ERR - attrlist_replace - attr_replace
(nsslapd-referral, ldap://hk-system-02.DOMAINNAME:389/dc%3Dint%2Cdc%3DDOMAIN%2Cdc%3Dcom)
failed.
[31/Jul/2018:12:19:46.882743610 +0100] - ERR - attrlist_replace - attr_replace
(nsslapd-referral, ldap://hk-system-02.DOMAINNAME:389/dc%3Dint%2Cdc%3DDOMAIN%2Cdc%3Dcom)
failed.
[31/Jul/2018:12:19:46.887246145 +0100] - ERR - attrlist_replace - attr_replace
(nsslapd-referral, ldap://hk-system-02.DOMAINNAME:389/dc%3Dint%2Cdc%3DDOMAIN%2Cdc%3Dcom)
failed.
[31/Jul/2018:12:19:46.889667896 +0100] - ERR - attrlist_replace - attr_replace
(nsslapd-referral, ldap://hk-system-02.DOMAINNAME:389/dc%3Dint%2Cdc%3DDOMAIN%2Cdc%3Dcom)
failed.