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Explanation of the Server List Management Feature in the Domain Name Resolver Client
Article ID: 261968 - View products that this article applies to.
This article was previously published under Q261968
There is a new feature in the Windows 2000 domain name resolver called Server List Management. Server List Management is able to improve the performance and adaptability of the resolver and it does so by monitoring how quickly the name servers on the list respond to name queries. The "More Information" section of this article contains a sample scenario that explains how Server List Management works.
This sample scenario is based on a situation where you have a client computer that has a single network adapter and three DNS servers in its search order.
Sample ScenarioWhen a name is queried, the query is sent only to the first DNS server. If that DNS server does not respond to the name query within one second, then it is placed at the bottom of the list, and the next server is queried for the name. The first server remains at the bottom of the list unless the other servers above it also fail to respond to a name query within one second. When this happens, the other servers also are rotated to the bottom of the list, below the first server, or until the TCP/IP protocol binds once more to the adapter by way of a restart or some other such operation.
NOTE: During the time that the first server remains at the bottom of the list, name resolution will fail for names that can only be resolved through this server.