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Disable recursion on a Windows 2000 server

Set up a DNS forwarder outlined some basics about DNS forwarding and how to set it up. Two

settings affect how Windows 2000 DNS server works with forwarding. To view these settings, open

the DNS console, expand the server node, right-click it, and select Properties. On the Forwarders

tab, you'll notice two settings at the bottom of the dialog box.



The first setting at the bottom of the Forwarders dialog box allows you to set the forwarder timeout

in seconds. This causes the DNS server to wait for a forwarder for the specified amount of time.

When time runs out, the server will contact another server on the list. When the last forwarder on

the list fails, the DNS server will continue with the standard recursion process; it will issue

iterative queries to other DNS servers.



The second setting (Do Not Use Recursion), can stop standard recursion. If you check this option,

the DNS server won't use the recursion if all forwarders fail. This forces the DNS server to

exclusively use its forwarders to resolve a query.

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