Microsoft KB Archive/160519

= DNS Queries for Root Name Servers Every Hour =

Article ID: 160519

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows NT Server 4.0 Standard Edition

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This article was previously published under Q160519



SYMPTOMS
You observe the Domain Name Service (DNS) querying for the root name servers at one hour intervals.



CAUSE
A thread meant to check the time-to-live (TTL) values of the cache file records every hour also inadvertently queries for the root name servers every hour.



RESOLUTION
Apply Windows NT 4.0 Service Pack 2 or greater to fix this.



STATUS
Microsoft has confirmed this to be a problem in Windows NT version 4.0.

A supported fix is now available, but has not been fully regression tested and should be applied only to systems experiencing this specific problem. Unless you are severely impacted by this specific problem, Microsoft recommends that you wait for the next Service Pack that contains this fix. Contact Microsoft Technical Support for more information.

Keywords: kbbug kbnetwork KB160519

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