--- file_not_specified_in_diff	
+++ file_not_specified_in_diff	
@@ -, +, @@ 
--- a/ucs-school-4.1r2/ucs-school-netlogon-user-logonscripts/ucs-school-user-logonscript.py
+++ b/ucs-school-4.1r2/ucs-school-netlogon-user-logonscripts/ucs-school-user-logonscript.py
@@ -462,7 +462,7 @@ def gidShares(gid):
 
 
 def userchange(dn, new, old):
-	univention.debug.debug(univention.debug.LISTENER, univention.debug.INFO, 'ucsschool-user-logonscripts: sync by user')
+	univention.debug.debug(univention.debug.LISTENER, univention.debug.INFO, 'ucsschool-user-logonscripts: sync by user (dn=%r, new=%r)' % (dn, new))
 
 	global scriptpath
 
@@ -486,8 +486,11 @@ def userchange(dn, new, old):
 						new = res[0][1]
 						# get groups we are member of:
 						membershipIDs.add(new['gidNumber'][0])
+				except ldap.NO_SUCH_OBJECT, ex:
+					univention.debug.debug(univention.debug.LISTENER, univention.debug.INFO, 'ucsschool-user-logonscripts: userchange(): user %r not found' % (dn,))
+					return
 				except:
-					univention.debug.debug(univention.debug.LISTENER, univention.debug.INFO, 'ucsschool-user-logonscripts: LDAP-search failed for user %s in userchange()' % (dn))
+					univention.debug.debug(univention.debug.LISTENER, univention.debug.ERROR, 'ucsschool-user-logonscripts: LDAP-search failed for user %s in userchange()' % (dn))
 					raise
 			else:
 				membershipIDs.add(new['gidNumber'][0])