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DNS Aging/Scavenging & DHCP lease duration recommendation

Posted on 2011-02-22
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Last Modified: 2012-05-11
Dear All,

I would like to as whether is there a recommended setting for DNS Aging/Scavenging & DHCP lease duration?

For example, if the lease duration is 8 days, so do I have to configure the DNS Aging/Scavenging for more or less 8 day?

Thanks
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Question by:Arabsoft_Security
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9 Comments
 
LVL 7

Expert Comment

by:Chris Patterson
ID: 34955527
In my experience, i have always had the DNS scavenging set to the same time as the DHCP lease duration.
0
 
LVL 34

Expert Comment

by:Paul MacDonald
ID: 34955528
There's nothing wrong with the default settings in Windows.  If the DHCP lease is 8 days, it renews in 4 anyway...
0
 

Author Comment

by:Arabsoft_Security
ID: 34955549
so what are the best configuration?

is there any link from microsoft talk about this?
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LVL 34

Assisted Solution

by:Paul MacDonald
Paul MacDonald earned 166 total points
ID: 34955590
Microsoft will tell you to use the default values unless you need to ameliorate traffic on your network.  Do you have a large number of DHCP clients?  Are you running out of IP addresses?  Do you have a large number of machines that are mobile (in and out of the office)?  Do you have a large number of machines that are often turned off?  Unless you answer yes to any of these questions, you're probably okay.

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LVL 7

Expert Comment

by:Chris Patterson
ID: 34955600
I would stick with the default settings unless you are having issues.  Are you by any chance experiencing any problems?
0
 
LVL 39

Expert Comment

by:Krzysztof Pytko
ID: 34955659
You can always use DHCP server to dynamicaly register DNS records and remove them if they no longer are necessary. Then you don't have to worry about DNS Aging and Scavengind the best settings :)

Regards,
Krzysztof
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LVL 22

Assisted Solution

by:Joseph Moody
Joseph Moody earned 167 total points
ID: 34955792
0
 

Author Comment

by:Arabsoft_Security
ID: 34956609
Hi iSiek,

how i can do what you mentioned
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LVL 39

Accepted Solution

by:
Krzysztof Pytko earned 167 total points
ID: 34958336
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