samba - May 2017 - Problems with samba and profile syncing from various windows versions

Hai, 

Why use time.windows.com, are you pc's not domain joined? 
Because if they are join you sync time with the AD DC(s) throught the AD by
default.
Works here Win 7 32/64bit up to win 10 32/64bit build 1607.


Setup the following, on you DC's. 
Setup ntp and configure ntp.conf
The go here and choose a stratum 1 ntp server. ( more curate ) 
http://support.ntp.org/bin/view/Servers/StratumOneTimeServers 

By default a pool of servers is used which can cause an time difference. 

If you login as admin on a pc and check the eventlog of windows. 
System events, eventid 37  source Time-serice. 
You should see. There that the pc syncs time with one of the dc's. 

So its also very very important to keep the ntp.conf over all DC's the same.
And make sure all you devices point to the DC.s for time.

I suggest reviewing : https://wiki.samba.org/index.php/Time_Synchronisation 
also.
Because if above isnt working, setup GPO (on the link) part 
- Setting User Defined Time Sources and Options
But if everything is configured correctly, this should not be needed. 


Greetz, 

Louis

> -----Oorspronkelijk bericht-----
> Van: samba [mailto:samba-bounces at lists.samba.org] Namens 
> Jakub Kulesza via samba
> Verzonden: woensdag 10 mei 2017 11:31
> Aan: samba at lists.samba.org
> Onderwerp: Re: [Samba] Problems with samba and profile 
> syncing from various windows versions
> 
> I owe you an update.
> 
> The problem is still there. We've also seen that some windows 
> desktops have issues in syncing the time with 
> time.windows.com and are off by 2 minutes.
> We're fighting with this.
> 
> The issue is that sometimes for some users syncing DELETED 
> files only does not work. Renamed, new, changed content works 
> 100%. It happens sometimes and we did not see how occurrence 
> of this might relate to anything. A user might have this 
> issue one day and the other it is working fine. It happens
> 1 time per week for some users, for some it does not happen 
> at all. Users do not log in to multiple machines at once. 
> User observes this just by something popping up on the deskop 
> that has been deleted the day before.
> 
> Most of the desktops are Windows 10 with all updates turned on.
> 
> Any ideas what I can look into?
> 
> 2017-05-04 11:28 GMT+02:00 Marc Muehlfeld via samba 
> <samba at lists.samba.org>:
> 
> > Am 03.05.2017 um 23:06 schrieb Achim Gottinger via samba:
> >
> >> Small sidenote in regards to the wiki, there is also an V6 since 
> >> windows 10 aniversary.
> >>
> >> 
> https://technet.microsoft.com/en-us/library/jj649079%28v=ws.11%29.asp
> >> x
> >>
> >
> > Oh no, not again a new profile version. :-)
> >
> > I will update the docs. Thanks for bringing this up.
> >
> >
> > Regards,
> > Marc
> >
> >
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>

On Wed, May 10, 2017 at 4:39 AM, L.P.H. van Belle via samba <
samba at lists.samba.org> wrote:
> I suggest reviewing : https://wiki.samba.org/index.
> php/Time_Synchronisation  also.
> Because if above isnt working, setup GPO (on the link) part
> - Setting User Defined Time Sources and Options
> But if everything is configured correctly, this should not be needed.
>
For me, I did not need to set a Group Policy, but I did need to add the
line for "ntpsigndsocket" to the ntpd.conf file, as shown in the wiki.
Without that, Windows workstations would not sync to the AD DC.

small update. We've got the time synced right. The desktops and server are
in sync. But the problems persist. There are days where multiple users
report that deleted files come back.

I suspect some issues either in the Windows itself or in the network. I
guess that looking into the windows desktop logs is the way to go now.
Which logs in the event viewer show most relevant information for profile
syncing?

2017-05-10 20:49 GMT+02:00 Mark Nienberg via samba <samba at
lists.samba.org>:
> On Wed, May 10, 2017 at 4:39 AM, L.P.H. van Belle via samba <
> samba at lists.samba.org> wrote:
>
> > I suggest reviewing : https://wiki.samba.org/index.
> > php/Time_Synchronisation  also.
> > Because if above isnt working, setup GPO (on the link) part
> > - Setting User Defined Time Sources and Options
> > But if everything is configured correctly, this should not be needed.
> >
>
> For me, I did not need to set a Group Policy, but I did need to add the
> line for "ntpsigndsocket" to the ntpd.conf file, as shown in the
wiki.
> Without that, Windows workstations would not sync to the AD DC.
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> To unsubscribe from this list go to the following URL and read the
> instructions:  https://lists.samba.org/mailman/options/samba
>