diff --git a/services/univention-s4-connector/modules/univention/admin/handlers/settings/mswmifilter.py b/services/univention-s4-connector/modules/univention/admin/handlers/settings/mswmifilter.py
index 1f88b45..1e7657b 100644
--- a/services/univention-s4-connector/modules/univention/admin/handlers/settings/mswmifilter.py
+++ b/services/univention-s4-connector/modules/univention/admin/handlers/settings/mswmifilter.py
@@ -57,7 +57,7 @@
 			options=[],
 			required=1,
 			may_change=1,
-			identifies=1
+			identifies=0,
 		),
 	'description': univention.admin.property(
 			short_description=_('Description'),
@@ -85,7 +85,7 @@
 			syntax=univention.admin.syntax.string,
 			multivalue=0,
 			options=[],
-			required=0,
+			required=1,
 			may_change=1,
 			identifies=1
 		),
@@ -258,21 +258,6 @@
 class object(univention.admin.handlers.simpleLdap):
 	module=module
 
-	def __init__(self, co, lo, position, dn='', superordinate=None, attributes = [] ):
-		global mapping
-		global property_descriptions
-
-		self.mapping=mapping
-		self.descriptions=property_descriptions
-		self.default_dn=''
-
-		univention.admin.handlers.simpleLdap.__init__(self, co, lo, position, dn, superordinate, attributes = attributes )
-
-		self.save()
-
-	def _ldap_pre_create(self):
-		self.dn='cn=%s,%s' % (mapping.mapValue('id', self.info['id']), self.position.getDn())
-
 	def _ldap_pre_modify(self):
 		if self.hasChanged('id'):
 			newdn = string.replace(self.dn, 'cn=%s,' % self.oldinfo['id'], 'cn=%s,' % self.info['id'], 1)