Full_Name: Version: OS: URL: ftp://ftp.openldap.org/incoming/ Submission from: (NULL) (79.223.44.49) I thought about this: http://www.openldap.org/lists/openldap-technical/201507/msg00035.html => slapo-constraint should not trigger the constraint if the old and valid RDN value is not changed with MODRDN operation with delold=0 when moving the entry beneath a new superior.