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Checklist: Automatically Remove Stale Resource Records

Applies To: Windows Server 2008, Windows Server 2008 R2

Aging and scavenging together provide a mechanism for removing stale resource records. These resource records can accumulate in Domain Name System (DNS) zone data over time when computers permanently leave the network. For example, if a computer registers its host (A) resource record at startup and is later disconnected from the network, its host (A) resource record might not be deleted. If your network has mobile users and computers, this situation can occur frequently.

 

Task Reference

Read about aging and scavenging.

Understanding Aging and Scavenging

Enable and configure aging and scavenging for the DNS server.

Set Aging and Scavenging Properties for the DNS Server

Enable and configure aging and scavenging for zones

Set Aging and Scavenging Properties for a Zone

Configure aging and scavenging for individual resource records.

Reset Aging and Scavenging Properties for a Specified Resource Record

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