Turning off starttls for replication
This document gather steps to update "olcSyncrepl" details in ldap config database ONLY in case of someone needs to disable starttls communication for replication. Please note that you should be very careful in this process or you may break your ldap server.
Issue
If the replication is not working, even with correct starttls setup.
Steps
Modifying olcDatabase={2}hdb.ldif.
1. Open /opt/zimbra/data/ldap/config/cn=config/olcDatabase={2}hdb.ldif
2. Search for "starttls=critical" in the file and remove it.
4. Save the file and restart ldap on both master and replica.
ldap stop; ldap start
5. Verify replication