Hello it is possible to join a Windows 10 pro on samba Version 4.3.11-Ubuntu. Our version Is not a samba AD. Regards. I try with this [HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\LanManWorkstation\Parameters] "DomainCompatibilityMode"=dword:00000001 "DNSNameResolutionRequired"=dword:00000000 And not work propertly.