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Old May 6th, 2009, 04:00 PM
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Exclamation Re: Please report site related technical problems here

Some tips for flushing your DNS incase you are unable to connect due to a recent server and IP address change.


Turning off DNS Caching under Microsoft Windows
If you experience frequent issues with DNS caching under Microsoft Windows, you can disable client-side DNS caching with either of these two commands:
net stop dnscache
sc servername stop dnscache

This will disable DNS caching until the next reboot. To make the change permanent, use the Service Controller tool or the Services tool to set the DNS Client service startup type to Disabled.



Tuning DNS Caching under Microsoft Windows
You can modify the behavior of the Microsoft Windows DNS caching algorithm by setting two registry entries in the HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Dnscache\Parameters registry key.
The MaxCacheTtl represents the maximum time that the results of a DNS lookup will be cached. The default value is 86,400 seconds. If you set this value to 1, DNS entries will only be cashed for a single second.
MaxNegativeCacheTtl represents the maximim time that the results of a failed DNS lookup will be cached. The default value is 900 seconds. If you set this value to 0, failed DNS lookups will not be cached.


Also dont forget to clear your Temporary Internet Folder or Internet Cache.

Tips here http://support.microsoft.com/kb/260897
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Last edited by echarcha; May 6th, 2009 at 04:41 PM.
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