--- git/ucs/services/univention-s4-connector/conffiles/etc/univention/s4connector/s4/mapping.py	2018-10-19 16:53:44.164222220 +0200
+++ git/ucs/services/univention-s4-connector/conffiles/etc/univention/s4connector/s4/mapping.py.new 2019-03-14 13:16:59.108797130 +0100
@@ -292,6 +292,11 @@
 							con_attribute='pager',
 							con_other_attribute='otherPager',
 						),
+					'employeeNumber': univention.s4connector.attribute (
+							ucs_attribute='employeeNumber',
+							ldap_attribute='employeeNumber',
+							con_attribute='employeeNumber',
+						),
 			},
 
 		),