Win7 Guest DHCP not working fix
If you have problem with Win7 or Win2012 KVM guest with dhcp not working, you can try to disable checksum offloading
- Click Start - Search and type “regedit”.
- Go to the following registry key:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters
- Add a DWORD(32bit) Value named "DisableTaskOffload" and set it to "1".
- Restart the Windows PC to make the changes happen.
Custom NIC Checksum Settings
If you need to set NIC checksum only for IPv4/Pv6, TCP/UDP, RX/TX you can use the NIC Advanced setting here: