14.4.3. Domain Security Mode (User-Level Security)

In domain security mode, the Samba server has a machine account (domain security trust account) and causes all authentication requests to be passed through to the domain controllers. The Samba server is made into a domain member server by using the following directives in smb.conf:

[GLOBAL]
...
security = domain
workgroup = MARKETING
...

[GLOBAL]
...
security = domain
workgroup = MARKETING
...