Simple definition
An address 169.254.x.x that Windows can assign when it does not receive a response DHCP.
Technical definition
The Prefix 169.254.0.0/16 is used by the private IP Addressing to provide limited local connectivity in the absence of IPv4 configurations.
What is it used for ?
Allow for minimal local communication and especially early reporting of a problem DHCP.
Practical example
A PC displaying 169.254.23.18 while the LAN uses 192.168.1.0/24 probably did not receive his lease DHCP.
Common issues
- Server DHCP not available
- Bad VLAN
- Cable or Wi-Fi failure
Related terms
Key takeaway: This entry explains the general operation of the term. Exact settings may vary depending on software, vendors and environments.
See also: address 169.254.x.x.