Tech Support > Microsoft Windows > DNS cache settings in XP Pro
DNS cache settings in XP Pro
Posted by Alex Coleman on October 22nd, 2005


I made the following changes to my DNS cache settings but I figure
they might now be causing me trouble.


--------------------------------------------------------
Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Servic es\Dnscache
\Parameters]
"CacheHashTableBucketSize"=dword:00000001
"CacheHashTableSize"=dword:00000180
"MaxCacheEntryTtlLimit"=dword:0000fa00
"MaxSOACacheEntryTtlLimit"=dword:0000012d
---------------------------------------------------------

Do these seems ok?

Posted by Detlev Dreyer on October 22nd, 2005


Alex Coleman <coalie@nomail.com> wrote:

> I made the following changes to my DNS cache settings but I figure
> they might now be causing me trouble.


These entries do not exist by default and if their meaning isn't clear,
you shouldn't add them to the registry as a general rule of thumb.

> --------------------------------------------------------
> Windows Registry Editor Version 5.00
>
> [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Servic es\Dnscache\Parameters]
> "CacheHashTableBucketSize"=dword:00000001
> "CacheHashTableSize"=dword:00000180
> "MaxCacheEntryTtlLimit"=dword:0000fa00
> "MaxSOACacheEntryTtlLimit"=dword:0000012d
> ---------------------------------------------------------
>
> Do these seems ok?


No. Although often copied in the internet, these values do not make
sense and/or they are out of range. Remove these entries and reboot.

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