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Microsoft Windows Tips And Tricks!


DNS Cache Flush fix for many connection errors

This command will clear the dns Cache in Windows XP/Vista/7.

The dns cache will be cleared of all entries including saved negative ones which can help you to find out if a server is really not responding or a valid entry and gets rid of invalid server not found errors.

Frequent web connection problems can be traced to a corrupted DNS cache. Flushing this cache is an easy fix to many of these problems. This is how to flush the cache in Xp/Vista/7:

1. Click the Microsoft Start logo in the bottom left corner of the screen
2. Click All Programs
3. Click Accessories
4. RIGHT-click on Command Prompt
5. Select Run As Administrator
6. In the command window type the following and then hit enter: ipconfig /flushdns

Windows XP/Vista/7 will echo the following statement on a successful dns flush.

"Windows IP Configuration"

"Successfully flushed the DNS Resolver Cache."

Close the command window your cashe is now refreshed.
Note: Close any open browser windows before preforming this command.

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