Which counter to monitor to make sure new 'aging' settings are OK ?

[Marlon Brown]

I need to make sure that my "Reverse Lookup zone" records get cleaned up
accordingly since an internal application relies on reverse lookups. In my
DNS server, currently is set to no-refresh=7 days,refresh int=7
days,scavenge=7 days.

If I want to change the "Reverse Lookup Zones" scavenging options = 1 day, 1
day, 1 day

Besides monitoring the "DNS" server CPU and memory, which counter should I
monitor to make sure I don't compromise server performance when using the
new aging setting of "1" day ?

 

[Ace Fekay [MVP]]

I need to make sure that my "Reverse Lookup zone" records get cleaned
up accordingly since an internal application relies on reverse
lookups. In my DNS server, currently is set to no-refresh=7
days,refresh int=7 days,scavenge=7 days.

If I want to change the "Reverse Lookup Zones" scavenging options = 1
day, 1 day, 1 day

Besides monitoring the "DNS" server CPU and memory, which counter
should I monitor to make sure I don't compromise server performance
when using the new aging setting of "1" day ?

Are these records registered by DHCP?

If so, see if this helps:
306780 - DHCP Does Not Delete DDNS PTR Record for Expired Leases:
http://support.microsoft.com/default.aspx?scid=kb;en-us;306780&Product=win2000

Here's some info on Scavenging and the dos and don'ts. I wouldn't drop it
down to one day, it may cause issues.

Window 2000 DNS [See scavenging section]:
http://www.microsoft.com/technet/prodtechnol/windows2000serv/plan/w2kdns2.mspx

How to use DNS aging and scavenging:
http://www.microsoft.com/windows200...elp/sag_DNS_pro_ConfigAgingScavengingNode.htm


--
Regards,
Ace

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Ace Fekay, MCSE 2003 & 2000, MCSA 2003 & 2000, MCSE+I, MCT, MVP
Microsoft Windows MVP - Windows Server - Directory Services

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