On 27/02/2020 14:27, Lionel Monchecourt via samba wrote: >> This is what I’m starting : Then you haven't stopped Ubuntu from starting smbd, nmbd and winbind >> Ubuntun 18.04 Please go and read this: https://github.com/thctlo/samba4/blob/master/full-howto-Ubuntu18.04-samba-AD_DC.txt Rowland