Hi Gémes, I have added an item to the TODO list for S4 on this. http://wiki.samba.org/index.php/Samba4/DRS_TODO_List#Test_and_fix_.22Group_Policy_Modelling.22 I don't have time to test it right now, but if when I test it I can't reproduce the problem I'll get back to you. Cheers, Tridge