--On Tuesday, July 23, 2019 8:10 AM +0000 alex.soloviov@wildix.com wrote:

Actually, I have the configuration with several LDAP server without this = problem. But the version of these LDAPs is a bit less - 2.4.31.=20 On this installation when I changed the schema on the main server, on = secondary I see fully replicated data and warnings about unknown = attributes like:

Yes, that was a known bug with older OpenLDAP versions.

In general:

a) Don't mix versions of OpenLDAP b) Use current releases of OpenLDAP c) Use delta-syncrepl for replication d) Upgrade the schema on replicas first, then on masters

Regards, Quanah

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Quanah Gibson-Mount Product Architect Symas Corporation Packaged, certified, and supported LDAP solutions powered by OpenLDAP: http://www.symas.com