[Samba] Set primary group of file on samba share from windows

Hi all!

I want to use 'acl group control' setting to delegate privileges to specific
administrators.

Unfortunately, I'm unable to set the primary group using windows file
permissions dialog, I can only add and remove ACL groups.

I tried to do this by removing all groups but one from Windows. This doesn't
work: the primary group has all privs removed and the extra group is still in
ACLs only.

Then I tried to set the file/directory owner to group from Windows, but this
was met with a permission denied and a following log message:

[2012/01/05 21:13:03.349734, 3] smbd/nttrans.c:1899
(call_nt_transact_set_security_desc)
call_nt_transact_set_security_desc: file = projects/project A/New folder,
sent 0x1
[2012/01/05 21:13:03.349774, 3] smbd/posix_acls.c:1208(unpack_nt_owners)
unpack_nt_owners: unable to validate owner sid for
S-1-5-21-1526631811-284521863-152487935-11025
[2012/01/05 21:13:03.349804, 3] smbd/error.c:80(error_packet_set)
error packet at smbd/nttrans.c(1909) cmd0 (SMBnttrans)
NT_STATUS_INVALID_OWNER

Is setting the primary group possible, or do I have to do it from shell?

Regards,
Hubert Kario
QBS - Quality Business Software
02-656 Warszawa, ul. Ksawerów 30/85
tel. +48 (22) 646-61-51, 646-74-24
www.qbs.com.pl
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