Win7 Guest DHCP not working fix: Difference between revisions
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If you have problem with Win7 or Win2012 KVM guest with dhcp not working, you can try to disable checksum offloading | 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 | 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 === | === Custom NIC Checksum Settings === | ||
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[[File:NIC_Checksum.jpg]] | [[File:NIC_Checksum.jpg]] | ||
[[Category:Troubleshooting]] | [[Category:Troubleshooting]] | ||
[[Category: Qemu/KVM]] |
Latest revision as of 14:18, 6 October 2016
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: