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windows time

By elemzy ·
i have a active directory domain , with 3 DC. two of the domain controller always have a wrong time and this disturbs a lot of time depentent processes. they are always 1hr above time even when corrected, they return back after someminutes.
i even tried stopping the windows time service on the two machines but i has problems with machines loggin on to the network (they complain that " the macines are out of time synchronisation with the server"
what is the solutioon to the above scenarios

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windows time

by Oldefar In reply to windows time

A one hour variance sounds like a time zone issue. Make sure you have set them all to either GMT or a common time zone.

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windows time

by elemzy In reply to windows time

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by CG IT In reply to windows time

The below link provides general info on synchronization of time service. Use all referenced articles to locate your exact problem. A previous issue of Windows & .Net magazine had an article on time service setup and writing scrips for synchronizing time on the network. I believe Techrepublic also had an article on it.


http://www.microsoft.com/technet/treeview/default.asp?url=/technet/prodtechnol/acs/proddocs/ac2k/acjgma_tdsync.asp

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windows time

by CG IT In reply to windows time

what your problem appears to be is that there is no authoritative time server for all servers to sync time with [usually the PDC is the authoritative time service on the network in which all other computers sync time with, but if not properly configured, might cause your problem. Microsoft article 216734 should help with setting up an authoritative time server where all computer on your network sync time with.

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by elemzy In reply to windows time

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by curlergirl In reply to windows time

Well, since you've apparently already checked the time zone setting, there are a few other things to look at that might be affecting time settings. First of all, you can check the time synchronization settings on the servers by going to the commandline and typing:

net time /querysntp

This will return the name of a server that has been specified as the time server for that machine, or it will say that the machine is not currently configured to use a specific SNTP server. If you get the response that the machine is not currently configured to use a specific SNTP server, then it will automatically synch with whichever of your DCs has the PDC Emulator role in your domain (usually this will be the first Win2K DC that you installed in the domain, unless you have changed it). The DC that has the PDC Emulator role should be synchronized with an outside SNTP server. You can easily do this if you have an Internet connection of any type by the following command on the PDC Emulator machine:

net time /setsntp:[servername or IP address]

If you are in the US, the Navy and NIST (National Institution of Standards and Technology) both have time servers you can use. You can go to their web sites to get info on how to use their SNTP servers. I use the NIST ones myself. Other countries I'm sure have similar services out there. The default settings will cause you server to check it's time setting twice a day.

Second of all, there might be some type of service running on these DCs that is resetting the time or causing the servers to lose time. Have you looked into that at all? Do you see any sort of event log message or can you identify anything else that seems to be happening when the time gets reset?

Hope this helps!

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by elemzy In reply to windows time

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by elemzy In reply to windows time

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