diff --git a/source/setup/slapd.conf b/source/setup/slapd.conf
index e4e86eece93..83f4da33590 100644
--- a/source/setup/slapd.conf
+++ b/source/setup/slapd.conf
@@ -34,6 +34,12 @@ index lDAPDisplayName eq
 index subClassOf eq
 index cn eq
 
+#syncprov is stable in OpenLDAP 2.3, and available in 2.2.  
+#We only need this for the contextCSN attribute anyway....
+overlay syncprov
+syncprov-checkpoint 100 10
+syncprov-sessionlog 100
+
 database        hdb
 suffix		${CONFIGDN}
 directory	${LDAPDIR}/db/config
@@ -48,6 +54,12 @@ index dnsRoot eq
 index nETBIOSName eq
 index cn eq
 
+#syncprov is stable in OpenLDAP 2.3, and available in 2.2.  
+#We only need this for the contextCSN attribute anyway....
+overlay syncprov
+syncprov-checkpoint 100 10
+syncprov-sessionlog 100
+
 database        hdb
 suffix		${DOMAINDN}
 rootdn          ${LDAPMANAGERDN}