DNS not updating records

Hi,

I have a Windows 2000 server and I've noticed that there are quite a few stale records.

Scavenging is set for the zone, as per screenshot, the DCHP server is set to update DNS for clients.

One example is a machine that is showing in DNS with the records timestamp as 31/07/2007.  The box is ticked to delete the records when it becomes stale.  The owner of this records is SYSTEM.  This is not showing in DCHP with a current lease.  There are other records that have more recent timestamps, eg 03/06/2008 which are still showing in DNS.

A output of dnscmd /zoneinfo is on the attachment.

My question is why have these records not been deleted from the zone?

The scavenging is set on the reverse lookup zone as well, however has not been enabled at the server level.  I am worried about enabling this without knnowing what's happening with these records.

Any advice would be much appreciated.

Thanks in advance

Natasha
DNS.doc
natty575Asked:
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Amit BhatnagarTechnology Consultant - SecurityCommented:
Have you gone through this article?
http://technet.microsoft.com/en-us/library/cc757041.aspx

Also, try this...

Starting scavenging of stale resource records:

http://technet.microsoft.com/en-us/library/cc756721.aspx

Also, try this command if everything fails...Please refer to the link for the proper command syntax.

http://technet.microsoft.com/en-us/library/cc756116.aspx#BKMK_1

Dnscmd /ageallrecords

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Amit BhatnagarTechnology Consultant - SecurityCommented:
Hi Natasha,

You need to enable Scavenging on the Server level as well so that it can start working. It would NOT work unless you enable it on Server level. Make sure to restart the DNS Service once you enable Scavenging at the Server level.
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natty575Author Commented:
Thanks for the reply, I enabled scavenging at the server level last week and then expected the records to be deleted after 18/11/2008 as per the level set on the zone, however on checking this today the records have not been deleted. For example there is an A record that is has the timestamp of 31/07/2007.  This has not been deleted.  Also another one that has the timestamp of 09/06/2008 that has not been deleted.

Any ideas on why these records are not beig deleted?

Thanks in advance.
Natasha
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natty575Author Commented:
Thanks Barmit99, The manual starting of Scavenge Stale Resource records did the trick.

Thanks very much for your help.
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Amit BhatnagarTechnology Consultant - SecurityCommented:
Am glad it helped !
Amit Bhatnagar.
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