February 01, 1997 02:01 PM

Time Synchronization in an NT Network

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Windows IT Pro
InstantDoc ID #522
Your network as clock-watcher
Network time synchronization is an important part of network design and implementation. You need a time-synchronized network for healthy operation of network operating systems and applications; synchronization is critical for businesses that depend on a computer network. For example, many network directory services systems exchange information and synchronize changes in the directory services database according to time stamps. Groupware appl...

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One of the pitfalls of NET TIME is that it does wierd things on an NT network if the 'time server' is not available. We tried this method, and it worked well until a hub went out. Then, the computers on the rest of our network was set back to 1900...we had set up a script to adjust the time automatically.
We can't use the time service since we are on our own net and have no access (for security reasons) to either the internet or the web. So....then what?

Anonymous User 3/25/2005 10:50:01 AM


It seems that you must use a domain account if you want to synchronize from a PDC ? Did you experienced that because using a local account doesn't work for me

Anonymous User 3/18/2005 7:56:35 AM


If group policy is not available, you can look into NTRIGHTS (I think its part of the NT reskit), to remotely change the workstation user rights (i.e. grant time rights). There should also be a version that works for 2k.

Once users have the appropriate perms, a simple net time command in their login script should solve sync probs.

Anonymous User 11/1/2004 4:56:20 PM


Grace - XP / 2k both need user rights amended for users to sync time. Try gpedit.msc & drill through from there

dave mascall 5/19/2004 4:52:28 AM


This is great, but i have a problem with net time on users with out domain admin right, however it works perfectly well for users with domain admin right, user a windows nt server and windows 200 professional workstations

Grace Oniyama 3/9/2004 6:17:01 AM


Using psexec.exe from sysinternal.com, you can create a batch job (e.g. place the following command in a .bat or .cmd file to sync the time with the first time server seen):
net time /domain:mydomain /set /y

To synchronize a large group of systems you could run:

for /f %i IN (list.txt) DO psexec \\\\%i -c time_sync.cmd

where list.txt is a list of the systems requiring a sync and time_sync.cmd is the batch listed above.

Sino Lavric 6/23/2003 10:45:24 AM


Is there any way to change the local PC time, from a remote machine. Eg. Can a administrator change the time of a NT machine, from his own desktop, remotely on the LAN?

Rajiv Pereira 3/25/2002 3:24:51 AM


Mr Westlake, I got here via www.winntmag.com, not win2000, so this online mag is as relevant to NT as it is to 2000, and furthermore the article you have found is from 1997, considerably before Win2k. Try a search including 2000 in the parameters, which will probably remove NT specific articles.

Nige Wingate 12/20/2000 2:17:00 PM


Okay, so now how about Windows 2000? This online magazine is called Windows 2000 Magazine, right?

This article is great for pre Win2K, but Win2K includes a Time Server service but unfortunately includes basically no documentation to configure it. There's no timeserv.ini, etc., etc., etc.

Wayne Westlake 7/2/2000 9:43:36 AM


We have set roaming profiles in our PDC.
We are using NET TIME to synchronize time with our PDC and BDC.
What I have to investigate is if we can synchronize our PDC and BDC, with a Solaris machine running as a Time Server?
Any feedback will be appreciated.


Tonci Korsano 5/25/2000 10:44:26 AM


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