diff --git a/archiva-modules/archiva-base/archiva-configuration/src/main/mdo/configuration.mdo b/archiva-modules/archiva-base/archiva-configuration/src/main/mdo/configuration.mdo
index 5a233c443..3e38d8b34 100644
--- a/archiva-modules/archiva-base/archiva-configuration/src/main/mdo/configuration.mdo
+++ b/archiva-modules/archiva-base/archiva-configuration/src/main/mdo/configuration.mdo
@@ -1454,6 +1454,13 @@
         The runtime configuration.
       </description>
       <fields>
+        <field>
+          <name>migratedFromRedbackConfiguration</name>
+          <description>flag to know if redback configuration has been checked/migrated.</description>
+          <version>1.4.0+</version>
+          <type>boolean</type>
+          <defaultValue>false</defaultValue>
+        </field>
         <field>
           <name>userManagerImpl</name>
           <description>The user manager impl to use.</description>