diff --git a/config/dmsDefaults.php b/config/dmsDefaults.php
index 7d2919f..8ecbb98 100644
--- a/config/dmsDefaults.php
+++ b/config/dmsDefaults.php
@@ -68,16 +68,14 @@ $default->owl_documents_table = "documents";
 $default->owl_folders_table = "folders";
 // links folders to users (and roles) for approval collaboration
 $default->owl_folders_user_roles_table	= "folders_users_roles_link";
-//link groups to folders
-$default->owl_group_folders_table = "group_folders_link";
 // stores approval collaboration information- approval roles mapped to folders with order
 $default->owl_groups_folders_approval_table	= "groups_folders_approval_link";
 // links groups to folders
 $default->owl_groups_folders_table	= "groups_folders_link";
 // stores group information
 $default->owl_groups_table	= "groups_lookup";
-// links groups to users and units
-$default->owl_groups_users_table = "users_groups_link"; 
+// links groups to units
+$default->owl_groups_units_table = "groups_units_link"
 // links
 $default->owl_links_table = "links";
 // Table with mime info
@@ -94,36 +92,8 @@ $default->owl_system_settings_table = "system_settings";
 $default->owl_unit_table = "units";
 // Table with user info
 $default->owl_users_table	= "users";
-// User-unit mapping table
-$default->owl_user_unit_table = "users_unit";
-// Table with group membership for users 
-$default->owl_users_grpmem_table= "membergroup";
-/// Table with session information
-$default->owl_sessions_table = "active_sessions";
-// Table with file info
-$default->owl_files_table	= "files";
-// Table with folders info
-$default->owl_folders_table	= "folders";
-// Table with group info
-$default->owl_groups_table	= "groups_lookup";
-//Table with user group linkage
-$default->owl_users_groups_table	= "users_groups_link";
-// Table with mime info
-$default->owl_mime_table	= "mime_types";
-// Table with html attributes
-$default->owl_html_table	= "intranet.html";
-// Table with html attributes
-$default->owl_prefs_table	= "intranet.prefs";
-// Table with file data info
-$default->owl_files_data_table  = "filedata";
-//Table with document type info
-$default->owl_document_types_table = "document_types_lookup";
-//Table that links document types to document type fields
-$default->owl_document_type_fields_table = "document_type_fields";
-//Table with document type field info
-$default->owl_fields_table = "document_fields_link";
-// Table with document transactions info
-$default->owl_document_transactions_table = "document_transactions";
+// links groups to users and units
+$default->owl_groups_users_table = "users_groups_link"; 
 // Table with web documents info for web publishing
 $default->owl_web_documents_table = "web_documents";
  // Table with web documents info for web publishing
@@ -140,8 +110,8 @@ require_once("$default->owl_fs_root/phplib/db_mysql.inc");
 // Change this to reflect the authentication method you are using
 //require_once("$default->owl_fs_root/lib/LDAPAuthenticator.inc");
 //require_once("$default->owl_fs_root/lib/Authenticator.inc");
-//$default->authentication_class = "DBAuthenticator";
-//require_once("$default->owl_fs_root/lib/authentication/$default->authentication_class.inc");
+$default->authentication_class = "DBAuthenticator";
+require_once("$default->owl_fs_root/lib/authentication/$default->authentication_class.inc");
 
 // logo file that must reside inside lang/graphics directory
 $default->logo = "kt.jpg";