B server slapd.conf of syncrepl is belw. --- serverID 27 syncrepl rid=3D30 provider=3Dldap://xx.xx.xx.xx bindmethod=3Dsimple binddn=3D"cn=3Dxxxx" credentials=3D"xxxx" searchbase=3D"xxxx" schemachecking=3Doff type=3DrefreshAndPersist retry=3D"2 30 30 +" --- A server slapd.conf of syncrepl is belw. --- serverID 32 syncrepl rid=3D30 provider=3Dldap://xx.xx.xx.xx bindmethod=3Dsimple binddn=3D"cn=3Dxxxx" credentials=3D"xxxx" searchbase=3D"xxxx" schemachecking=3Doff type=3DrefreshAndPersist retry=3D"2 30 30 +" --- Normaly, after update ldap in B server, Master server ldap is updated by sy= ncrepl function. And, A server ldap is updated by syncrepl function. After this issue happend, updating ldap in B server do not replication to M= aster server and A server.