[Samba] Time synchronization issue

[Andrey Repin]

Greetings, William LIM!

>> >> > I have set a Samba AD DC on my network. Version is 4.1.17 on a Debian
>> >> > Wheezy.
>> >>
>> >> > I have an issue on my Windows XP SP3 clients : the time on these
>> >> computers
>> >> > is not synchronized with my Domain Controler.
>> >>
>> >> > Big problem is, if time difference is considerable (more or less 5
>> >> > minutes), users can not log in.
>> >>
>> >> > On the other hand, my server is correctly synchronized with NTP
>> server.
>> >>
>> >> > I don't understand the reason of my problem, and don't know were to
>> start
>> >> > investigating.
>> >>
>> >> > Has anybody got this issue ?
>> >>
>> >> Got exactly your problem two days ago.
>> >> From elevated shell:
>> >>
>> >> w32tm /unregister
>> >> reboot
>> >> w32tm /register
>> >> w32tm /config /manualpeerlist:time.example.com /syncfromflags:MANUAL
>> >> /update
>> >> time /T (To test if synchronization done correctly)
>> >>
>> >> time.example.com is your domain time server - either AD DC or an NTP
>> >> server it
>> >> is synchronized with. I prefer NTP, though. Domain time service seems
>> to be
>> >> unreliable in my setup, or needs to be enabled manually.
>>
>> > Thanks for the trick. I'll try it.
>>
>> > But it's a pity it doesn't work natively, right ?
>>
>> I'm not judging. I didn't have the time to research.
>> I knew a short way and I did it in 5 minutes.

> Actually, problem was located on client side, not samba side.

> w32time has "disappeared" from services list (!)

> the

> w32tm /unregister and w32tm /register

> solve the problem

> My clients seem to be correctly synchronised with my AD DC now.

> If i find out why w32time has disappeared, I'll post a message here.

Could be multiple reasons. Starting from not being there in first place.

P.S.
I would really appreciate, if you don't top-post.


-- 
With best regards,
Andrey Repin
Friday, April 24, 2015 21:57:07

Sorry for my terrible english...