Start Immediate Scavenging of Stale Resource Records

Updated: May 9, 2008

Applies To: Windows Server 2008

You can use this procedure to immediately remove stale Domain Name System (DNS) resource records. You can complete this procedure using either the DNS Manager snap-in or the dnscmd command-line tool.

Membership in Administrators, or equivalent, is the minimum required to complete this procedure. Review details about using the appropriate accounts and group memberships at Local and Domain Default Groups (

  1. Open DNS Manager. To open DNS Manager, click Start, point to Administrative Tools, and then click DNS.

  2. In the console tree, right-click the applicable DNS server, and then click Scavenge Stale Resource Records.

  3. When you are asked to confirm that you want to scavenge all stale resource records on the server, click OK.

  1. Open a command prompt. To open an elevated Command Prompt window, click Start, point to All Programs, click Accessories, right-click Command Prompt, and then click Run as administrator.

  2. At the command prompt, type the following command, and then press ENTER:

    dnscmd <ServerName> /StartScavenging


Parameter Description


The command-line tool for managing DNS servers.


Required. Specifies the DNS host name of the DNS server. You can also type the IP address of the DNS server. To specify the DNS server on the local computer, you can also type a period (.)


Required. Initiates resource record scavenging.

To view the complete syntax for this command, at a command prompt, type the following command, and then press ENTER:

dnscmd /StartScavenging /help

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