ITS#5942,ITS#5987

CHANGES

@@ -10,6 +10,8 @@ OpenLDAP 2.4.16 Engineering
 	Fixed slapd-ldap/meta with broken AD results (ITS#5977)
 	Fixed slapd-ldap/meta with invalid attrs again (ITS#5959)
 	Fixed slapo-accesslog interaction with ppolicy (ITS#5979)
+	Documentation
+		admin24 clarified MMR URI requirements (ITS#5942,ITS#5987)
 
 OpenLDAP 2.4.15 Release (2009/02/24)
 	Fixed libldap alias dereferencing in C API again (ITS#5916)

doc/guide/admin/replication.sdf

@@ -839,7 +839,14 @@ We still have to replicate the actual data, not just the config, so add to the m
 >     objectClass: olcSyncProvConfig
 >     olcOverlay: syncprov
 
-Note: You must have all your servers set to the same time via {{http://www.ntp.org/}}
+Note: All of your servers' clocks must be tightly synchronized using
+e.g. NTP {{http://www.ntp.org/}}, atomic clock, or some other reliable
+time reference.
+
+Note: As stated in {{slapd-config}}(5), URLs specified in {{olcSyncRepl}}
+directives are the URLs of the servers from which to replicate. These
+must exactly match the URLs {{slapd}} listens on ({{-h}} in {{SECT:Command-Line Options}}).
+Otherwise slapd may attempt to replicate from itself, causing a loop.
 
 H3: MirrorMode