I set up a samba AD domain member machine (Ubuntu 16.04 amd64) and configured a file and print sharing on it. The share had to be accessible by machine accounts (windows 7 64bit) so that machine scripts could install some programs from it before user logon window. I configured the ntfs and share read permissions for "Authenticated Users" which had been enough for a windows 2008R2 server.
Now the problem arose: In the system events on the windows machine there was an error event. It said that access to the resource had been denied. I tried adding the machine account to the ntfs permissions list and to the share permissions, then I added "Everybody" to the permissions. Then I added the "Computers" group.
The "Computers" group has unix attributes enabled
As an AD user I can access that share without problems.