diff --git a/management/univention-management-console-module-udm/umc/python/udm/__init__.py b/management/univention-management-console-module-udm/umc/python/udm/__init__.py
index 75b4b52..c70ee92 100644
--- a/management/univention-management-console-module-udm/umc/python/udm/__init__.py
+++ b/management/univention-management-console-module-udm/umc/python/udm/__init__.py
@@ -267,7 +267,8 @@ def license_info(self, request, ldap_connection=None, ldap_position=None):
 
 		self.finished(request.id, license_data)
 
-	def license_import(self, request):
+	@LDAP_Connection
+	def license_import(self, request, ldap_connection=None, ldap_position=None):
 		filename = None
 		if isinstance(request.options, (list, tuple)) and request.options:
 			# file upload
@@ -298,7 +299,7 @@ def _error(msg=None):
 				# check license and write it to LDAP
 				importer = LicenseImport(fd)
 				importer.check(ucr.get('ldap/base', ''))
-				importer.write(self._user_dn, self._password)
+				importer.write(ldap_connection)
 		except (ValueError, AttributeError, LDAPError) as exc:
 			MODULE.error('License import failed (malformed LDIF): %r' % (exc, ))
 			# AttributeError: missing univentionLicenseBaseDN
diff --git a/management/univention-management-console-module-udm/umc/python/udm/tools.py b/management/univention-management-console-module-udm/umc/python/udm/tools.py
index 5f03553..3f99e1e 100644
--- a/management/univention-management-console-module-udm/umc/python/udm/tools.py
+++ b/management/univention-management-console-module-udm/umc/python/udm/tools.py
@@ -103,15 +103,13 @@ def handle(self, dn, entry):
 		# for atr in entry:
 		# 	self.mod_list.insert( 0, ( ldap.MOD_REPLACE, atr, entry[ atr ] ) )
 
-	def write(self, user_dn, passwd):
-		ldap_con = ldap.open("localhost", port=int(ucr.get('ldap/server/port', 7389)))
-		ldap_con.simple_bind_s(user_dn, passwd)
+	def write(self, ldap_connection):
+		ldap_con = ldap_connection.lo.lo
 		try:
 			ldap_con.add_s(self.dn, self.addlist)
 		except ldap.ALREADY_EXISTS:
 			ldap_con.delete_s(self.dn)
 			ldap_con.add_s(self.dn, self.addlist)
-		ldap_con.unbind_s()
 
 
 def check_license(ldap_connection, ignore_core_edition=False):