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How can I disable APIPA?
John Savill
November 8, 1999
1 Min Read
A. APIPA (Automatic Private IP Addressing) was discussed in 'Q. My Windows 2000 DHCP client has an IP address not in any scopes, how?' and is the mechanism in a small network thatclients will automatically allocated themselves an IP address in the range of169.254.x.x if no DHCP server can be contacted.
It may be desirable to disable this and to do this perform the following:
Start the registry editor (Regedit.exe)
Move to HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesTcpipParametersInterfaces
Select the required interface
From the Edit menu select New - DWORD value
Enter a name of IPAutoconfigurationEnabled and press Enter
Double click the new value and set to 0. Click OK
Close the registry editor
If you have multiple adapters and wish to disable for all just create and setHKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesTcpipParametersIPAutoconfigurationEnabledto 0.
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