diff --git a/redback-users/redback-users-api/src/main/java/org/apache/archiva/redback/users/AbstractUserManager.java b/redback-users/redback-users-api/src/main/java/org/apache/archiva/redback/users/AbstractUserManager.java
index a093b273..7ba96af2 100644
--- a/redback-users/redback-users-api/src/main/java/org/apache/archiva/redback/users/AbstractUserManager.java
+++ b/redback-users/redback-users-api/src/main/java/org/apache/archiva/redback/users/AbstractUserManager.java
@@ -147,4 +147,9 @@ public abstract class AbstractUserManager
         // no op prevent sub classes to need implement this method
         // sub classes can implement their own
     }
+
+    public boolean isFinalImplementation()
+    {
+        return false;
+    }
 }
diff --git a/redback-users/redback-users-api/src/main/java/org/apache/archiva/redback/users/UserManager.java b/redback-users/redback-users-api/src/main/java/org/apache/archiva/redback/users/UserManager.java
index e8afaf06..054a09e6 100644
--- a/redback-users/redback-users-api/src/main/java/org/apache/archiva/redback/users/UserManager.java
+++ b/redback-users/redback-users-api/src/main/java/org/apache/archiva/redback/users/UserManager.java
@@ -206,4 +206,10 @@ public interface UserManager
      * @since 2.1
      */
     void initialize();
+
+    /**
+     * @since 2.1
+     * @return true if this implementation is a final one and not a wrapper (configurable, cached)
+     */
+    boolean isFinalImplementation();
 }
diff --git a/redback-users/redback-users-providers/redback-users-cached/src/main/java/org/apache/archiva/redback/users/cached/CachedUserManager.java b/redback-users/redback-users-providers/redback-users-cached/src/main/java/org/apache/archiva/redback/users/cached/CachedUserManager.java
index 7c4d4c4f..890841a6 100644
--- a/redback-users/redback-users-providers/redback-users-cached/src/main/java/org/apache/archiva/redback/users/cached/CachedUserManager.java
+++ b/redback-users/redback-users-providers/redback-users-cached/src/main/java/org/apache/archiva/redback/users/cached/CachedUserManager.java
@@ -204,7 +204,7 @@ public class CachedUserManager
 
     public String getId()
     {
-        return "Cached User Manager [" + this.userImpl.getId() + "]";
+        return "cached";
     }
 
     public List<User> getUsers()
@@ -323,4 +323,9 @@ public class CachedUserManager
     {
         // no op configurable impl do the job
     }
+
+    public boolean isFinalImplementation()
+    {
+        return false;
+    }
 }
diff --git a/redback-users/redback-users-providers/redback-users-configurable/src/main/java/org/apache/archiva/redback/users/configurable/ConfigurableUserManager.java b/redback-users/redback-users-providers/redback-users-configurable/src/main/java/org/apache/archiva/redback/users/configurable/ConfigurableUserManager.java
index 5d1fb868..54851a89 100644
--- a/redback-users/redback-users-providers/redback-users-configurable/src/main/java/org/apache/archiva/redback/users/configurable/ConfigurableUserManager.java
+++ b/redback-users/redback-users-providers/redback-users-configurable/src/main/java/org/apache/archiva/redback/users/configurable/ConfigurableUserManager.java
@@ -143,7 +143,7 @@ public class ConfigurableUserManager
 
     public String getId()
     {
-        return ConfigurableUserManager.class.getName() + " wrapping " + userManagerImpl.getId();
+        return "configurable";
     }
 
     public List<User> getUsers()
diff --git a/redback-users/redback-users-providers/redback-users-jdo/src/main/java/org/apache/archiva/redback/users/jdo/JdoUserManager.java b/redback-users/redback-users-providers/redback-users-jdo/src/main/java/org/apache/archiva/redback/users/jdo/JdoUserManager.java
index c5513921..a334b4d6 100644
--- a/redback-users/redback-users-providers/redback-users-jdo/src/main/java/org/apache/archiva/redback/users/jdo/JdoUserManager.java
+++ b/redback-users/redback-users-providers/redback-users-jdo/src/main/java/org/apache/archiva/redback/users/jdo/JdoUserManager.java
@@ -65,7 +65,7 @@ public class JdoUserManager
 
     public String getId()
     {
-        return "JDO UserManager - " + this.getClass().getName();
+        return "jdo";
     }
 
 
@@ -485,4 +485,9 @@ public class JdoUserManager
     {
         return userSecurityPolicy;
     }
+
+    public boolean isFinalImplementation()
+    {
+        return true;
+    }
 }
diff --git a/redback-users/redback-users-providers/redback-users-ldap/src/main/java/org/apache/archiva/redback/users/ldap/LdapUserManager.java b/redback-users/redback-users-providers/redback-users-ldap/src/main/java/org/apache/archiva/redback/users/ldap/LdapUserManager.java
index 8b58508c..8bbd23f5 100644
--- a/redback-users/redback-users-providers/redback-users-ldap/src/main/java/org/apache/archiva/redback/users/ldap/LdapUserManager.java
+++ b/redback-users/redback-users-providers/redback-users-ldap/src/main/java/org/apache/archiva/redback/users/ldap/LdapUserManager.java
@@ -358,7 +358,7 @@ public class LdapUserManager
 
     public String getId()
     {
-        return "LDAP User-Manager: " + getClass().getName();
+        return "ldap";
     }
 
     /**
@@ -501,4 +501,8 @@ public class LdapUserManager
         ldapCacheService.removeLdapUserDn( username );
     }
 
+    public boolean isFinalImplementation()
+    {
+        return true;
+    }
 }
diff --git a/redback-users/redback-users-providers/redback-users-memory/src/main/java/org/apache/archiva/redback/users/memory/MemoryUserManager.java b/redback-users/redback-users-providers/redback-users-memory/src/main/java/org/apache/archiva/redback/users/memory/MemoryUserManager.java
index ca7e4a55..3bf7d6ea 100644
--- a/redback-users/redback-users-providers/redback-users-memory/src/main/java/org/apache/archiva/redback/users/memory/MemoryUserManager.java
+++ b/redback-users/redback-users-providers/redback-users-memory/src/main/java/org/apache/archiva/redback/users/memory/MemoryUserManager.java
@@ -55,25 +55,7 @@ public class MemoryUserManager
 
     public String getId()
     {
-        Properties props = new Properties();
-        URL url = this
-            .getClass()
-            .getResource(
-                "META-INF/maven/org/codehaus/plexus/redback/redback-users-memory/pom.properties" );
-
-        if ( url != null )
-        {
-            try
-            {
-                props.load( url.openStream() );
-                return "MemoryUserManager - " + props.getProperty( "version" );
-            }
-            catch ( IOException e )
-            {
-                // Fall thru
-            }
-        }
-        return "MemoryUserManager - (unknown version)";
+        return "memory";
     }
     
     public boolean isReadOnly()