Warning Messages in Event Viewer - Windows 2000 Server

I have a Windows 2000 Server (my Exchange Server) -- I have several warning messages appearing on a daily basis.  I have listed 3 of the messages below.  Please advise what needs to be done to eliminate these messages.  Thank you.

Because of repeated network problems, the time service has not been able to find a domain controller to synchronize with for a long time. To reduce network traffic, the time service will wait 960 minutes before trying again. No synchronization will take place during this interval, even if network connectivity is restored. Accumulated time errors may cause certain network operations to fail. To tell the time service that network connectivity has been restored and that it should resynchronize, execute "w32tm /s" from the command line.

This Machine is a PDC of the domain at the root of the forest. Configure to sync from External time source using the net command,  'net time /setsntp:<server name>'.

The DNS server for this DC does not support dynamic DNS. Add the DNS records from the file '%SystemRoot%\System32\Config\netlogon.dns' to the DNS server serving the domain referenced in that file.

mmj1Asked:
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intreegConnect With a Mentor Commented:
Here is how to configure the time service on win 2k3, may provide some clues to your problem.
http://support.microsoft.com/default.aspx?scid=kb;en-us;816042
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intreegCommented:
The first two should be solved by using the net time command as stated in the error. You must make sure that the pdc is sync to a source that it will be able to contact and is generally reliable. You could also try a time sync application if the net time doesnt seem to help.

The second: What dns server are you pointing you PDC to? What os is it running and why is it not running DDNS?
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mmj1Author Commented:
I'm not sure if I can answer your question.  I may need to have my tech guy come in to solve this problem.  But to tell you what I know -- I have three servers - the one that I am receiving these messages on is a Windows 2000 Server (all are Windows 2000 Server).  This server is also my DNS server and it has Exchange Server 2003 loaded on it as well.  I'm not sure where our PDC is pointing to and I an also not familiar with DDNS.  I will probably have to pass your info on to my tech and see if he can answer what you are asking....
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intreegCommented:
Well I think I might have misunderstood part of your post.

So what you are saying is the server you are receiving this error on is a PDC, Exchange Server and DNS server? And it is configured to use itself as its Primary DNS Server?
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intreegCommented:
Here is the MS KB Article on the "The DNS server for this DC does not support dynamic DNS...." error.
http://support.microsoft.com/default.aspx?scid=kb;en-us;267845
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intreegCommented:
Have you installed all of your service packs and updates?
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mmj1Author Commented:
I am fairly current on the service packs and updates.  I know I am on SP4 and ran critical updates about 3 weeks ago.  I will review the articles you suggested and pass them on to my tech.  Thank you for your assistance...
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intreegCommented:
No problem! Let me know if it helps or if you need anything else.
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mmj1Author Commented:
Thanks very much for your help.  My tech is still working on this issue.  He did correct one of the problems; however, we are still getting the "This Machine is a PDC of the domain at the root of the forest. Configure to sync from External time source using the net command,  'net time /setsntp:<server name>'. " error message.  He has been unable to correct this problem.  
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intreegCommented:
Tell him to try this:


C:\Documents and Settings\Intreeg>net time /SETSNTP:tick.usno.navy.mil
The command completed successfully.


C:\Documents and Settings\Intreeg>net time /QUERYSNTP
The current SNTP value is: tick.usno.navy.mil

The command completed successfully.


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