On Tue, Nov 1, 2016 at 12:03 PM, Gaiseric Vandal via samba <samba at lists.samba.org> wrote: > My guess is that the samba 3.6.x machine is not patched for BADLOCK > vulnerabilities and the 4.5.x machine is. If I patch or upgrade the Samba 3 PDC will an NT4 domain member still remain a member and authenticate with it?