diff --git a/config/alfresco/ehcache-default.xml b/config/alfresco/ehcache-default.xml
index 3d8c7a8eb8..b72519221d 100644
--- a/config/alfresco/ehcache-default.xml
+++ b/config/alfresco/ehcache-default.xml
@@ -304,7 +304,7 @@
         />
     <cache 
         name="org.alfresco.cache.immutableEntityCache"
-        maxElementsInMemory="10000"
+        maxElementsInMemory="20000"
         eternal="true"
         overflowToDisk="false"
         />
diff --git a/config/alfresco/extension/ehcache-custom.xml.sample.cluster b/config/alfresco/extension/ehcache-custom.xml.sample.cluster
index 1bd449eaea..d535fa44f7 100644
--- a/config/alfresco/extension/ehcache-custom.xml.sample.cluster
+++ b/config/alfresco/extension/ehcache-custom.xml.sample.cluster
@@ -715,6 +715,21 @@
                                 replicateAsynchronously = false"/>
     </cache>
 
+    <cache
+        name="org.alfresco.cache.immutableEntityCache"
+        maxElementsInMemory="20000"
+        eternal="true"
+        overflowToDisk="false">
+
+            <cacheEventListenerFactory
+                    class="net.sf.ehcache.distribution.RMICacheReplicatorFactory"
+                    properties="replicatePuts = false,
+                                replicateUpdates = true,
+                                replicateRemovals = true,
+                                replicateUpdatesViaCopy = false,
+                                replicateAsynchronously = false"/>
+    </cache>
+
     <cache
         name="org.alfresco.cache.parentAssocsCache"
         maxElementsInMemory="10000"