In case it's relevant, I upgraded to FreeNAS-9.2.1.7-RELEASE-x64 (fdbe9a0) a few days after installing FreeNAS-9.2.1.6-RELEASE-x64 (ddd1e39) on a new server because of bug #5054 (by the way, I found that it was possible to very quickly cure the problem of the SID being displayed as the owner - running net cache flush did the trick).
Anyway... after setting up the new server in exactly the same way (i.e....
Files in CIFS share with identical ACLs - different permissions behaviour
Anyway... after setting up the new server in exactly the same way (i.e....
Files in CIFS share with identical ACLs - different permissions behaviour