Since the rpm update to ipa-server-dns-4.2.0-15.0.1.el7.centos.18.x86_64 
(running on Centos 7),


most of my replication started to failed with:


last update status: -1 Incremental update has failed and requires administrator 
actionLDAP error: Can't contact LDAP server


Then setup contains about 10 ipa servers in 5 different locations.


But i went and ran an ipa-replica-conncheck i get this:


# ipa-replica-conncheck --replica server.domain.local
Check connection from master to remote replica 'server.domain.local':
   Directory Service: Unsecure port (389): OK
   Directory Service: Secure port (636): OK
   Kerberos KDC: TCP (88): OK
   Kerberos KDC: UDP (88): WARNING
   Kerberos Kpasswd: TCP (464): OK
   Kerberos Kpasswd: UDP (464): WARNING
   HTTP Server: Unsecure port (80): OK
   HTTP Server: Secure port (443): OK
The following UDP ports could not be verified as open: 88, 464
This can happen if they are already bound to an application
and ipa-replica-conncheck cannot attach own UDP responder.

Connection from master to replica is OK.



I even ran the following without issue:

# kinit -kt /etc/dirsrv/ds.keytab ldap/`hostname`
# klist
# ldapsearch -Y GSSAPI -h `hostname` -b "" -s base
# ldapsearch -Y GSSAPI -h the.other.master.fqdn -b "" -s base

Not really sure what to check for next?

Any hint?


Thanks

Louis Francoeur
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