Index: management/univention-directory-manager-modules/modules/univention/admin/handlers/users/user.py
===================================================================
--- management/univention-directory-manager-modules/modules/univention/admin/handlers/users/user.py	(revision 78859)
+++ management/univention-directory-manager-modules/modules/univention/admin/handlers/users/user.py	(working copy)
@@ -2677,10 +2677,10 @@
 	return lookup_filter_obj
 
 
-def lookup(co, lo, filter_s, base='', superordinate=None, scope='sub', unique=False, required=False, timeout=-1, sizelimit=0):
+def lookup(co, lo, filter_s, base='', superordinate=None, scope='sub', unique=False, required=False, timeout=-1, sizelimit=0, attributes=[]):
 	filter = lookup_filter(filter_s)
 	res = []
-	for dn, attrs in lo.search(unicode(filter), base, scope, [], unique, required, timeout, sizelimit):
+	for dn, attrs in lo.search(unicode(filter), base, scope, attributes, unique, required, timeout, sizelimit):
 		res.append(object(co, lo, None, dn, attributes=attrs))
 	return res
 
Index: management/univention-management-console-module-udm/umc/python/udm/__init__.py
===================================================================
--- management/univention-management-console-module-udm/umc/python/udm/__init__.py	(revision 78859)
+++ management/univention-management-console-module-udm/umc/python/udm/__init__.py	(working copy)
@@ -542,7 +542,7 @@
 			scope = request.options.get('scope', 'sub')
 			hidden = request.options.get('hidden')
 			fields = (set(request.options.get('fields', []) or []) | set([objectProperty])) - set(['name', 'None'])
-			result = module.search(container, objectProperty, objectPropertyValue, superordinate, scope=scope, hidden=hidden)
+			result = module.search(container, objectProperty, objectPropertyValue, superordinate, scope=scope, hidden=hidden, attributes=list(fields))
 			if result is None:
 				return []
 
@@ -552,11 +552,6 @@
 			for obj in result:
 				if obj is None:
 					continue
-				module = get_module(object_type, obj.dn)
-				if module is None:
-					# This happens when concurrent a object is removed between the module.search() and get_module() call
-					MODULE.warn('LDAP object does not exists %s (flavor: %s). The object is ignored.' % (obj.dn, request.flavor))
-					continue
 				entry = {
 					'$dn$': obj.dn,
 					'$childs$': module.childs,
Index: management/univention-management-console-module-udm/umc/python/udm/udm_ldap.py
===================================================================
--- management/univention-management-console-module-udm/umc/python/udm/udm_ldap.py	(revision 78859)
+++ management/univention-management-console-module-udm/umc/python/udm/udm_ldap.py	(working copy)
@@ -448,7 +448,7 @@
 			UDM_Error(e).reraise()
 
 	@LDAP_Connection
-	def search(self, container=None, attribute=None, value=None, superordinate=None, scope='sub', filter='', simple=False, simple_attrs=None, ldap_connection=None, ldap_position=None, hidden=True):
+	def search(self, container=None, attribute=None, value=None, superordinate=None, scope='sub', filter='', simple=False, simple_attrs=None, ldap_connection=None, ldap_position=None, hidden=True, attributes=[]):
 		"""Searches for LDAP objects based on a search pattern"""
 		if container == 'all':
 			container = ldap_position.getBase()
@@ -473,7 +473,10 @@
 						result = ldap_connection.searchDn(filter=unicode(lookup_filter), base=container, scope=scope, sizelimit=sizelimit)
 			else:
 				if self.module:
-					result = self.module.lookup(None, ldap_connection, filter_s, base=container, superordinate=superordinate, scope=scope, sizelimit=sizelimit)
+					try:
+						result = self.module.lookup(None, ldap_connection, filter_s, base=container, superordinate=superordinate, scope=scope, sizelimit=sizelimit, attributes=attributes)
+					except TypeError:
+						result = self.module.lookup(None, ldap_connection, filter_s, base=container, superordinate=superordinate, scope=scope, sizelimit=sizelimit)
 				else:
 					result = None
 		except udm_errors.insufficientInformation as e: