Flash Windows Vista / XP DNS Cache With ipconfig Command

by admin on November 13, 2007 · 5 comments

in Windows Vista

ipconfig is a Windows XP / 2000 / 2003 / Vista command utility that displays all current TCP/IP network configuration values and refreshes Dynamic Host Configuration Protocol DHCP and Domain Name System DNS settings. You can use the same tool to clear out Windows DNS cache. This command has /flushdns switch to flush and reset the contents of the DNS client resolver cache. During DNS troubleshooting, you can use this procedure to discard negative cache entries from the cache, as well as any other entries that have been added dynamically.

Command to Flush DNS Vista

Login as administrator

Just open command prompt ( Start > Run > and type cmd > Press [Enter] key)

Type the following command to flush the DNS resolver cache when troubleshooting DNS name resolution problems, type:

ipconfig /flushdns

As usual you read help by typing the following command:

ipconfig /?

Please see ipconfig command help page for more information.

{ 5 comments… read them below or add one }

1 joey April 21, 2008 at 2:17 am

Hello, i want to clear my cache in my proxy by using ipconfig in my pc is it possible? if no, how? i dont want my admin see my downloads…im in the proxy. thanks!

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2 joculete January 17, 2009 at 3:03 pm

hi, is now working in vista

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3 ben468 July 10, 2009 at 7:38 pm

Thanx a bunch…the command works just fine on my XP laptop.

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4 Samer Ghanim October 16, 2009 at 10:16 am

run the command as administrator then tyoe in the command line ipconfig /flushdns

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5 Gerry August 9, 2010 at 5:18 pm

I tried the procedure and got a result “Function failed during execution” Is there something I can do to get around that? I use XP

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