Disable Automatic Address Configuration – Automatic Private IP Addressing (APIPA)

Home / Disable Automatic Address Configuration – Automatic Private IP Addressing (APIPA)

In every Windows Operating System enabled computer, there is a feature Microsoft offers which is APIPA. APIPA is a DHCP failover mechanism for local networks. With APIPA, DHCP clients can obtain IP addresses when DHCP servers are non-functional or the client couldn’t get the IP from server. APIPA exists in all modern versions of Windows except Windows NT.

When DHCP server fails, APIPA allocates IP addresses in the private range to This range is one of Private Network address (hence the name is Automatic Private IP Address).

The method is tested on Windows 8.1 64 bit. The method is generic one, using configuration of Registry entry.

To do, open registry edition. Before we proceed, please remember that incorrectly editing the registry may severely damage system. You can backup any valued data on your machine before making changes to the registry. You can also use the Last Know Good Configuration startup option if problems are encountered after done this guide.

On Windows Vista onward, you will face User Access Control which ask you whether you grant permission for Registry Editor. Choose yes to proceed.

In Registry Editor, navigate to the following registry key:


Now create a DWORD value (32 bit if there is both 32 and 64 bit DWORD value) with following name:


Set the value to 0.

Close the Registry Editor. To make a change, restart the machine.


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