Yes, I have a default hdb slap.d tree setup from the el7 rpm install. I also noticed this olcHdbConfig. I have decided to stick with the hdb for now. -----Original Message----- From: Quanah Gibson-Mount Sent: 02 April 2019 15:37 To: Marc Roos; openldap-technical Subject: RE: mdb_equality_candidates: (entryUUID) not indexed, with olcDbIndex=entryUUID pres, eq --On Tuesday, April 02, 2019 2:48 PM +0200 Marc Roos> wrote: The above is clearly an invalid configuration, it looks like you tried to convert from HDB to MDB manually? I doubt slapd is really able to function correctly at all. --Quanah -- Quanah Gibson-Mount Product Architect Symas Corporation Packaged, certified, and supported LDAP solutions powered by OpenLDAP: <http://www.symas.com>