[Samba] Samba4 DC/AD documents created in redirected folders with bogus UID

Mark Foley mfoley at novatec-inc.com
Wed Aug 19 16:58:31 UTC 2015

More information,

It appears I've had this issue since installing Samba 4.1.0 about 6 months ago.
When I add a domain user, the DC resisdent redirected folder gets synchronized
with the user's desktop with the correct UID. 

For some users, but not all, new "My Documents" get created with UID 3000000 on
the DC, not the user's correct ID as shown by wbinfo.  I haven't been able to
see a configuration difference between users who are able to create the files
with the correct UID and those not. 

I need to figure this out soon. Otherwise, the users get error messages like 
"Protected View. This file came from the Internet ..." when trying to open files
originally sync'd with the correct UID.


-----Original Message-----
> From: Mark Foley <mfoley at novatec-inc.com>
> Date: Wed, 19 Aug 2015 01:14:03 -0400
> To: samba at lists.samba.org
> My up-front apologies if this topic has been covered. This is my first time
> using this list and I don't know how to search for existing topics yet ...
> I installed Samba4 on Linux Slackware 64 version 14.1 about 6 months ago. I set
> up redirected folders for the Windows 7 Workstation users. All worked fine until
> recently. Now, when several of the users create documents and folders on their
> "Desktop" (redirected to the DC) they are being created with UID 3000000, which
> is not a configured UID. For example:
> $ ls -ltrn "/redirectedFolders/Users/matkeson/My Documents"
> -rwxrwx---+ 1 3000045 100  27648 2015-07-30 07:17 Accounts\ 7-1-2015.docx*
> drwxrwx---+ 2 3000045 100   4096 2015-08-11 09:27 Correspondence/
> -rwxrwx---+ 1 3000000 100  11423 2015-08-18 11:04 testMark.docx*
> This user's actual UID is 3000045, as created months ago via Windows RSAT.
> Confirmed by:
> $ wbinfo -i matkeson
> HPRS\matkeson:*:3000045:100:Mark Atkeson:/home/HPRS/matkeson:/bin/false
> I did recently upgrade Samba from the originally installed 4.1.0 to 4.1.17 a
> couple of weeks ago, but I can't really confirm that is when the problem started
> showing up.  I find files with this 3000000 UID on backups before the upgrade (I
> think). 
> This does not affect all users. I find 3 for sure it happens to and 3 for sure
> it does not happen to.
> I do have "idmap_ldb:use rfc2307 = yes" set in smb.conf
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