While troubleshooting a Windows Server 2022 VM that suddenly lost network connectivity, you run ipconfig and see that the adapter has self-assigned 169.254.58.24/16 with no default gateway. Other servers on the same VLAN still hold 10.200.6.x addresses from DHCP. To have the VM immediately request a new lease from the DHCP server without restarting the interface or clearing the DNS cache, which ipconfig option should you use?
ipconfig /renew sends a DHCPREQUEST message and attempts to acquire a fresh IPv4 lease for the selected (or all) adapters. When a host has fallen back to an APIPA address, there is no active lease to release, so /release provides no benefit. /flushdns only clears the resolver cache, and /displaydns merely shows its contents; neither affects DHCP traffic. Therefore, running /renew is the quickest way to restore a valid address from the DHCP server in this scenario.
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What is an APIPA address and why does it occur?
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How does the `ipconfig /renew` command work in Windows?
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What is the difference between `/release` and `/renew` in `ipconfig`?