Question

Need the Windows server to get it's clock from our Unix server

Asked by: eshapley

Hi,

Can anyone tell me how best to cause my windows server to synch it's clock up with our Unix server?  I was thinking like a batch job that would run each morning.  

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Asked On
2005-05-03 at 11:22:55ID21411254
Tags

windows

Topic

MS DOS

Participating Experts
4
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500
Comments
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Answers

 

by: PeteLongPosted on 2005-05-03 at 11:49:55ID: 13920572

providing the UNIX server is running SNTP

on the windows server run the following

net time /setsntp:<ip of unix box>

 

by: eshapleyPosted on 2005-05-03 at 14:21:57ID: 13921844

We aren't currently running SNTP on the Unix server.  It is running TRU64.  SNTP appears to be an application that we purchase.  Is that correct?

 

by: TheMCSEPosted on 2005-05-03 at 23:40:20ID: 13924348

SNTP is an implementation of the network time protocol (NTP).  In a cursory look, it appears that there is an NTP package provided for TRU64.  Does the UNIX box sync with anything in the outside world?  If so, it may be using an NTP client.  Good luck.

 

by: salvagbfPosted on 2005-05-04 at 06:36:26ID: 13926463

I haven't used it but this seems to be an open source implementation of SNTP

http://sourceforge.net/projects/psntp/

 

by: eshapleyPosted on 2005-05-05 at 10:32:07ID: 13938085

I had our administrator install the SNTP on the unix server.  I entered the command.  It says it completed successfully, but when I check the system time it is the same.  Any ideas?

 

by: eshapleyPosted on 2005-05-05 at 10:50:59ID: 13938269

More information:
I think I needed to run the command with /set and /y on the end.  I did that, and got the message:
System error 5 has occured.  Access is denied.  Do I need to have our Windows admin. person do somethign to allow the clock set?  I tried the command net time /setsntp:time.windows.com /set /y.  That gave me the same error.

 

by: TheMCSEPosted on 2005-05-05 at 22:20:46ID: 13942763

You shouldn't have to use /set and /yes.  These are used when querying other Windows devices if you aren't using SNTP.  What level of access do you have to the Windows device?  By default, Power Users and Administrators will have access to change the system time, but this user right can be modified.  See the article below:

http://support.microsoft.com/?id=300022

As for the command, you should be able to use what PeteLong entered previously.  The important thing to remember is that this will not affect the system time immediately.  SNTP is controlled by the Windows Time service; if you want to force a time sync, you can restart the Windows Time service or execute 'w32tm /resync' (I think this appies to 2K as well, but should definitely be accurate for XP and 2K3).  As an ongoing item, it will sync periodically so that the time will be maintained without your intervention (or a scheduled task of some sort).  For more information about the Windows Time service, see the following articles:

http://www.microsoft.com/windows2000/techinfo/howitworks/security/wintimeserv.asp
http://support.microsoft.com/default.aspx?scid=kb;en-us;307897&sd=tech
http://www.microsoft.com/technet/prodtechnol/windowsserver2003/technologies/security/ws03mngd/26_s3wts.mspx

 

by: eshapleyPosted on 2005-05-06 at 08:27:56ID: 13945361

My desktop PC (Win-xp) is able to execute the command to get the time from that server with no problems.  When I log onto the server (Win-2k) however (admin or user) I get the error:
System error 5 has occurred.

Access is denied.

It is interesting that my desktop can synch, but the server cannot.  We are both on the same domain.  Do you have suggestions for something I could check on the server, or does this have to be specifcaly an issue with which users are allowed to get the time off of the TRU64 Unix machine?

 

by: TheMCSEPosted on 2005-05-06 at 18:36:29ID: 13948994

What command are you trying to execute when you receive the access denied error?  You should have your sys admin check to see who has the SeSystemTime privilege.  On Win2K, you should be able to do this by opening the Local Security Policy from Administrative Tools.  Browse to Local Policies->User Rights Assignment->Change the system time.  Good luck.

 

by: eshapleyPosted on 2005-05-09 at 07:52:14ID: 13960075

the command I enter is:
net time /setsntp:<ip of unix box>

The local security setting is:
Power Users, Administrators

 

by: arauschPosted on 2005-05-10 at 18:27:54ID: 13974424

Hi EShapley,

Take a look at the following post:
http://www.experts-exchange.com/Operating_Systems/Q_21419367.html

Hopefully that will help you out.  Obviously in your case you would replace TIME.NIST.GOV with the IP Address of your Unix box.
Then restart the "Windows Time" service on your windows box.

By default the w32tm service with sync every 45 minutes until it hits three sucessful syncs in a row, then it switches to every 8 hours.
http://support.microsoft.com/kb/q216734/


Thanks,
Andrew

 

by: PeteLongPosted on 2005-05-16 at 13:00:55ID: 14013591

ThanQ

20120131-EE-VQP-002

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