DNS Stale Record Scavageing and DHCP Reservations

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I have a DHCP server that sets the lease to 31 days and also has several reservations as well as dynamic updates to DNS. This morning I discovered that some of the reservations had had their A records removed from DNS via the DNS scavenge for stale records feature, effectively hiding the devices from the network (they still worked via IP, but name resolution failed). Server is Windows 2003 R2 SP2 running MS AD Authorized DHCP and AD integrated DNS.

My question is can I use the DNS stale record scavenge features in this configuration, and if so, what values do I need to give my DNS server to avoid scavenging my DHCP reservations?

Thanks in Advance,
Mike Ober.


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