diff --git a/source/java/org/alfresco/repo/webdav/auth/BaseKerberosAuthenticationFilter.java b/source/java/org/alfresco/repo/webdav/auth/BaseKerberosAuthenticationFilter.java
index 5423206630..b18e1de0d2 100644
--- a/source/java/org/alfresco/repo/webdav/auth/BaseKerberosAuthenticationFilter.java
+++ b/source/java/org/alfresco/repo/webdav/auth/BaseKerberosAuthenticationFilter.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006-2009 Alfresco Software Limited.
+ * Copyright (C) 2005-2009 Alfresco Software Limited.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -18,7 +18,7 @@
  * As a special exception to the terms and conditions of version 2.0 of 
  * the GPL, you may redistribute this Program in connection with Free/Libre 
  * and Open Source Software ("FLOSS") applications as described in Alfresco's 
- * FLOSS exception.  You should have recieved a copy of the text describing 
+ * FLOSS exception.  You should have received a copy of the text describing 
  * the FLOSS exception, and it is also available here: 
  * http://www.alfresco.com/legal/licensing"
  */
@@ -130,12 +130,12 @@ public abstract class BaseKerberosAuthenticationFilter extends BaseSSOAuthentica
 
     
     /* (non-Javadoc)
-     * @see org.alfresco.repo.web.filter.beans.BaseSSOAuthenticationFilter#afterPropertiesSet()
+     * @see org.alfresco.repo.webdav.auth.BaseSSOAuthenticationFilter#init()
      */
     @Override
-    public void afterPropertiesSet() throws Exception
+    protected void init() throws ServletException
     {
-        super.afterPropertiesSet();
+        super.init();
 
         if ( m_krbRealm == null)
         {
diff --git a/source/java/org/alfresco/repo/webdav/auth/BaseNTLMAuthenticationFilter.java b/source/java/org/alfresco/repo/webdav/auth/BaseNTLMAuthenticationFilter.java
index 75f4fd4563..32c77a9651 100644
--- a/source/java/org/alfresco/repo/webdav/auth/BaseNTLMAuthenticationFilter.java
+++ b/source/java/org/alfresco/repo/webdav/auth/BaseNTLMAuthenticationFilter.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2005-2007 Alfresco Software Limited.
+ * Copyright (C) 2005-2009 Alfresco Software Limited.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -18,9 +18,9 @@
  * As a special exception to the terms and conditions of version 2.0 of 
  * the GPL, you may redistribute this Program in connection with Free/Libre 
  * and Open Source Software ("FLOSS") applications as described in Alfresco's 
- * FLOSS exception.  You should have recieved a copy of the text describing 
+ * FLOSS exception.  You should have received a copy of the text describing 
  * the FLOSS exception, and it is also available here: 
- * http://www.alfresco.com/legal/licensing
+ * http://www.alfresco.com/legal/licensing"
  */
 package org.alfresco.repo.webdav.auth;
 
@@ -128,14 +128,15 @@ public abstract class BaseNTLMAuthenticationFilter extends BaseSSOAuthentication
         m_mapUnknownUserToGuest = mapUnknownUserToGuest;
     }
 
+    
     /* (non-Javadoc)
-     * @see org.alfresco.repo.web.filter.beans.BaseSSOAuthenticationFilter#afterPropertiesSet()
+     * @see org.alfresco.repo.webdav.auth.BaseSSOAuthenticationFilter#init()
      */
     @Override
-    public void afterPropertiesSet() throws Exception
+    protected void init() throws ServletException
     {
         // Call the base SSO filter initialization
-        super.afterPropertiesSet();
+        super.init();
 
         // Check that the authentication component supports the required mode
     	
diff --git a/source/java/org/alfresco/repo/webdav/auth/BaseSSOAuthenticationFilter.java b/source/java/org/alfresco/repo/webdav/auth/BaseSSOAuthenticationFilter.java
index 627fa56a9a..149887eab2 100644
--- a/source/java/org/alfresco/repo/webdav/auth/BaseSSOAuthenticationFilter.java
+++ b/source/java/org/alfresco/repo/webdav/auth/BaseSSOAuthenticationFilter.java
@@ -170,7 +170,7 @@ public abstract class BaseSSOAuthenticationFilter implements DependencyInjectedF
      * @param active
      *            <code>true</code> if the bean is active and initialization should complete
      */
-    public void setActive(boolean active)
+    public final void setActive(boolean active)
     {
         this.m_isActive = active;
     }
@@ -179,15 +179,29 @@ public abstract class BaseSSOAuthenticationFilter implements DependencyInjectedF
      * (non-Javadoc)
      * @see org.alfresco.repo.management.subsystems.ActivateableBean#isActive()
      */
-    public boolean isActive()
+    public final boolean isActive()
     {
         return m_isActive;
     }
 
-    /* (non-Javadoc)
+    /*
+     * (non-Javadoc)
      * @see org.springframework.beans.factory.InitializingBean#afterPropertiesSet()
      */
-    public void afterPropertiesSet() throws Exception
+    public final void afterPropertiesSet() throws ServletException
+    {
+        // Don't trigger initialization if this component has been disabled
+        if (isActive())
+        {
+            init();
+        }
+    }
+
+    /**
+     * Initializes the filter. Only called if the filter is active, as indicated by {@link #isActive()}. Subclasses
+     * should override.
+     */
+    protected void init() throws ServletException
     {
     }
     
diff --git a/source/java/org/alfresco/repo/webdav/auth/KerberosAuthenticationFilter.java b/source/java/org/alfresco/repo/webdav/auth/KerberosAuthenticationFilter.java
index e3df1ba6d4..a8bd987dc5 100644
--- a/source/java/org/alfresco/repo/webdav/auth/KerberosAuthenticationFilter.java
+++ b/source/java/org/alfresco/repo/webdav/auth/KerberosAuthenticationFilter.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2005-2007 Alfresco Software Limited.
+ * Copyright (C) 2005-2009 Alfresco Software Limited.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -18,7 +18,7 @@
  * As a special exception to the terms and conditions of version 2.0 of 
  * the GPL, you may redistribute this Program in connection with Free/Libre 
  * and Open Source Software ("FLOSS") applications as described in Alfresco's 
- * FLOSS exception.  You should have recieved a copy of the text describing 
+ * FLOSS exception.  You should have received a copy of the text describing 
  * the FLOSS exception, and it is also available here: 
  * http://www.alfresco.com/legal/licensing"
  */
@@ -26,6 +26,7 @@ package org.alfresco.repo.webdav.auth;
 
 import java.io.IOException;
 
+import javax.servlet.ServletException;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import javax.servlet.http.HttpSession;
@@ -46,16 +47,17 @@ public class KerberosAuthenticationFilter extends BaseKerberosAuthenticationFilt
     
     private static Log logger = LogFactory.getLog(KerberosAuthenticationFilter.class);
 
+
     
     /* (non-Javadoc)
-     * @see org.alfresco.repo.webdav.auth.BaseKerberosAuthenticationFilter#afterPropertiesSet()
+     * @see org.alfresco.repo.webdav.auth.BaseKerberosAuthenticationFilter#init()
      */
     @Override
-    public void afterPropertiesSet() throws Exception
+    protected void init() throws ServletException
     {
         // Call the base Kerberos filter initialization
 
-        super.afterPropertiesSet();
+        super.init();
     	
     	// Enable ticket based logons
     	
diff --git a/source/java/org/alfresco/repo/webdav/auth/NTLMAuthenticationFilter.java b/source/java/org/alfresco/repo/webdav/auth/NTLMAuthenticationFilter.java
index 105bfda98e..b09359e0d3 100644
--- a/source/java/org/alfresco/repo/webdav/auth/NTLMAuthenticationFilter.java
+++ b/source/java/org/alfresco/repo/webdav/auth/NTLMAuthenticationFilter.java
@@ -18,7 +18,7 @@
  * As a special exception to the terms and conditions of version 2.0 of 
  * the GPL, you may redistribute this Program in connection with Free/Libre 
  * and Open Source Software ("FLOSS") applications as described in Alfresco's 
- * FLOSS exception.  You should have recieved a copy of the text describing 
+ * FLOSS exception.  You should have received a copy of the text describing 
  * the FLOSS exception, and it is also available here: 
  * http://www.alfresco.com/legal/licensing"
  */
@@ -26,6 +26,7 @@ package org.alfresco.repo.webdav.auth;
 
 import java.io.IOException;
 
+import javax.servlet.ServletException;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import javax.servlet.http.HttpSession;
@@ -45,14 +46,15 @@ public class NTLMAuthenticationFilter extends BaseNTLMAuthenticationFilter
     // Debug logging
     private static Log logger = LogFactory.getLog(NTLMAuthenticationFilter.class);
 
+
     
     /* (non-Javadoc)
-     * @see org.alfresco.repo.webdav.auth.BaseNTLMAuthenticationFilter#afterPropertiesSet()
+     * @see org.alfresco.repo.webdav.auth.BaseNTLMAuthenticationFilter#init()
      */
     @Override
-    public void afterPropertiesSet() throws Exception
+    protected void init() throws ServletException
     {
-        super.afterPropertiesSet();
+        super.init();
 
         // Enable ticket based logons