diff --git a/core/src/main/java/hudson/PluginManager.java b/core/src/main/java/hudson/PluginManager.java
index 12fa0bcb16..062a287c06 100644
--- a/core/src/main/java/hudson/PluginManager.java
+++ b/core/src/main/java/hudson/PluginManager.java
@@ -1041,4 +1041,64 @@ public abstract class PluginManager extends AbstractModelObject implements OnMas
             return pluginsWithCycle;
         }
     }
+    
+    public static PluginUpdateMonitor getPluginUpdateMonitor() {
+        return PluginUpdateMonitor.getInstance();
+    }
+    
+    /**
+     * {@link AdministrativeMonitor} that informs the administrator about a required plugin update.
+     */
+    @Extension
+    public static final class PluginUpdateMonitor extends AdministrativeMonitor {
+        
+        private List<PluginUpdateInfo> pluginsToBeUpdated = new ArrayList<PluginManager.PluginUpdateMonitor.PluginUpdateInfo>();
+        
+        /**
+         * Convenience method to ease access to this monitor, this allows other plugins to register required updates.
+         * @return this monitor.
+         */
+        public static final PluginUpdateMonitor getInstance() {
+            return Jenkins.getInstance().getExtensionList(PluginUpdateMonitor.class).get(0);
+        }
+        
+        public PluginUpdateMonitor() {
+            init();
+        }
+        
+        private void init() {
+            ifPluginOlderThenReport("config-file-provider", "2.2.2", "The current installed version of 'config-file-provider' is not compatible with this core anymore");
+        }
+        
+        private void ifPluginOlderThenReport(String pluginName, String version, String message){
+            Plugin plugin = Jenkins.getInstance().getPlugin(pluginName);
+            if(plugin != null){
+                if(plugin.getWrapper().getVersionNumber().isOlderThan(new VersionNumber(version))) {
+                    pluginsToBeUpdated.add(new PluginUpdateInfo(pluginName, message));
+                }
+            }
+        }
+
+        public boolean isActivated() {
+            return !pluginsToBeUpdated.isEmpty();
+        }
+        
+        public void addPluginToUpdate(String pluginName, String message) {
+            this.pluginsToBeUpdated.add(new PluginUpdateInfo(pluginName, message));
+        }
+        
+        public List<PluginUpdateInfo> getPluginsToBeUpdated() {
+            return pluginsToBeUpdated;
+        }
+        
+        private static class PluginUpdateInfo {
+            public final String pluginName;
+            public final String message;
+            public PluginUpdateInfo(String pluginName, String message) {
+                this.pluginName = pluginName;
+                this.message = message;
+            }
+        }
+
+    }    
 }
diff --git a/core/src/main/resources/hudson/PluginManager/PluginUpdateMonitor/message.jelly b/core/src/main/resources/hudson/PluginManager/PluginUpdateMonitor/message.jelly
new file mode 100644
index 0000000000..27606dc42e
--- /dev/null
+++ b/core/src/main/resources/hudson/PluginManager/PluginUpdateMonitor/message.jelly
@@ -0,0 +1,35 @@
+<!--
+The MIT License
+
+Copyright (c) 2012, Dominik Bartholdi
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+-->
+
+<?jelly escape-by-default='true'?>
+<j:jelly xmlns:j="jelly:core" xmlns:st="jelly:stapler" xmlns:d="jelly:define" xmlns:l="/lib/layout" xmlns:t="/lib/hudson" xmlns:f="/lib/form">
+  <div class="error">
+    ${%RequiredPluginUpdates}
+    <ul>
+	    <j:forEach var="p" items="${it.pluginsToBeUpdated}">
+	        <li><j:out value="${p.pluginName}"/> - <j:out value="${p.message}"/></li>
+	    </j:forEach>
+    </ul>
+  </div>
+</j:jelly>
diff --git a/core/src/main/resources/hudson/PluginManager/PluginUpdateMonitor/message.properties b/core/src/main/resources/hudson/PluginManager/PluginUpdateMonitor/message.properties
new file mode 100644
index 0000000000..930492c735
--- /dev/null
+++ b/core/src/main/resources/hudson/PluginManager/PluginUpdateMonitor/message.properties
@@ -0,0 +1,24 @@
+# The MIT License
+# 
+# Copyright (c) 2004-2012, Dominik Bartholdi
+# 
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+# 
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+# 
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+
+
+RequiredPluginUpdates=The following plugins require an update.
\ No newline at end of file