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Clearing the DNS Cache
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Last Updated
3rd of May, 2009
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When you want to clear the DNS Cache, there are 2 potential ways of doing this. Ultimately it depends on whether the DNS Cache you wish to clear is on a client, such as your Windows XP Workstation, or a Server, like Windows Server 2003.

If its your client PC you need to clear the dns cache on, simply open up a command prompt and type in ipconfig /flushdns. This will clear the dns cache on your computer and force it to go back to the DNS Server to resolve names again.




The problem is that often this may not be enough, especially if the DNS Server has a cached copy of an old DNS Record. So to clear the DNS Server cache, open up the DNS MMC from your Administrative Tools, Right Click on the DNS Server Name and choose Clear Cache.

Dont forget however that even your DNS Server has a Client DNS Cache as well, so if you are trying to resolve names directly from your DNS Server, you'll need to open up a command prompt and type in ipconfig /flushdns.






     
     
For more information about DNS, check out our DNS Training Videos
     
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