Index: modules/univention/connector/ad/__init__.py
===================================================================
--- modules/univention/connector/ad/__init__.py	(Revision 16593)
+++ modules/univention/connector/ad/__init__.py	(Arbeitskopie)
@@ -121,7 +121,7 @@
 
 def unix2ad_time(l):
 	d=116444736000000000L #difference between 1601 and 1970
-	return long(time.mktime(time.gmtime(time.mktime(time.strptime(l,"%d.%m.%y"))+90000)))*10000000+d # 90000s are one day and one hour
+	return long(time.mktime(time.gmtime(time.mktime(time.strptime(l,"%Y-%m-%d"))+90000)))*10000000+d # 90000s are one day and one hour
 
 def ad2unix_time(l):
 	d=116444736000000000L #difference between 1601 and 1970