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03/05/2007 at 09:46AM PST, ID: 22428761
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6.6

Plan to setup Aging and Scavanging for my AD-Intergrated zone in DNS

Asked by maderosia in Operating Systems Miscellaneous, Windows 2003 Server, Domain Name Service (DNS)

Tags: ad, dns, interval

Because aging and scavenging is not turned on by default and we have had several DNS admins in the past, I am now setting this up. If I look at our ad domain name we have 32,328 resource records. We only have 4000 AD pc's. The records date back to 2003. My plan is to scavenge all records tonight that are 365 days or older. The next week, scavenge any record 180 days or older and finally permanently set up aging and scavenging at the 7 days interval that is defaulted by Microsoft. I am doing the progression as a safety precaution. I am assured that noting will go bad but I have heard that before so I would like some input into my plan. We also back up the system state every night on the DC's. I want to make sure that the DNS gets backup up so that I am protected in case of a worst case scenario. Because the zone is AD-Integrated, it is replicated to 55 other DC's (one at each remote location). The system state gets backed up by our backup software, CommVault, but I will probably do a Windows NTBackup for redundancy. Do I only need to back up the system state? Can someone please point me to the process of restoring the DNS from the backup? I am sure that I will not need it but I have to be prepared for anything that goes wrong. Lastly, if I set the scavenging on the SOA DC, I am guessing that all DC's will be affected for that zone because of replication. Will I only need to restore to the zones SOA DC in case of failure?

Summary:
1. Is my scavanging\aging plan good or is it flawed?
2. As a backoff procedure, do I only need to back up the system state? What else should I backup so that I can go back to prescavange 100%?
3. Verify that all scavange and restore should be done on zone SOA DNS server only.

Thanks all,
[+][-]03/05/07 11:09 AM, ID: 18656542

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About this solution

Zones: Operating Systems Miscellaneous, Windows 2003 Server, Domain Name Service (DNS)
Tags: ad, dns, interval
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Solution Provided By: mcsween
Participating Experts: 3
Solution Grade: A
 
 
[+][-]03/05/07 11:19 AM, ID: 18656604

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[+][-]03/05/07 12:22 PM, ID: 18657048

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[+][-]03/05/07 09:06 PM, ID: 18659652

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[+][-]03/06/07 02:18 AM, ID: 18660490

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[+][-]03/06/07 05:19 AM, ID: 18661226

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[+][-]03/06/07 06:06 AM, ID: 18661534

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[+][-]03/06/07 06:39 AM, ID: 18661769

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[+][-]03/06/07 06:59 AM, ID: 18661950

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[+][-]03/06/07 07:07 AM, ID: 18662002

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[+][-]03/06/07 07:27 AM, ID: 18662226

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[+][-]03/13/07 08:02 PM, ID: 18715730

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[+][-]03/14/07 02:17 AM, ID: 18716979

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