Registry Home > Network > Servers

Control Automatic DNS Server Cache Updates (Windows NT/2000/XP)

This value disables that automatic cache updated from the DNS root servers. Useful when there is a problem with the root servers, or if you wish to completely control DNS updates.

This tweak can be easily applied using WinGuides Tweak Manager.
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Open your registry and find the key below.

Create a new DWORD value, or modify the existing value, named "AutoCacheUpdate" and set it to "0" to disable automatic updates.

Restart Windows for the change to take effect.

Registry Editor Example
|NameTypeData|
|(Default)REG_SZ(value not set)|
|AutoCacheUpdateREG_DWORD0x00000000 (0)|
-
|HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\DNS\Par...|
-
Registry Settings
System Key: [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\DNS\Parameters]
Value Name: AutoCacheUpdate
Data Type: REG_DWORD (DWORD Value)
Value Data: (0 = disabled)

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Disclaimer: Modifying the registry can cause serious problems that may require you to reinstall your operating system. We cannot guarantee that problems resulting from modifications to the registry can be solved. Use the information provided at your own risk.

Last modified: April 4, 2002