Difference between revisions of "Win7 Guest DHCP not working fix"

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(Created page with "{{Note|Article about Proxmox VE 2.0}} If you have problem with win7 kvm guest with dhcp not working, you can try to disable checksum offloading <pre> Disabling the Checksum Of…")
 
 
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{{Note|Article about Proxmox VE 2.0}}
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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 kvm guest with dhcp not working, you can try to disable checksum offloading
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* Click Start - Search and type “regedit”.
  
<pre>
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* Go to the following registry key:
Disabling the Checksum Offloading the following way on Your Windows PC solved the Problem.
 
  
1. Click Start - Search and type “regedit”.
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HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters
  
2. Go to the following registry key
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* Add a DWORD(32bit) Value named "DisableTaskOffload" and set it to "1".
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* Restart the Windows PC to make the changes happen.
  
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Servic es\Tcpip\Parameters
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=== Custom NIC Checksum Settings ===
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If you need to set NIC checksum only for IPv4/Pv6, TCP/UDP, RX/TX you can use the NIC Advanced setting here:
  
HKEY_LOCAL_MACHINE
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[[File:NIC_Checksum.jpg]]
\SYSTEM
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[[Category:Troubleshooting]]
\CurrentControlSet
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[[Category: Qemu/KVM]]
\Services
 
\Tcpip
 
\Parameters
 
3. Add a DWORD(32bit) Value named "DisableTaskOffload" and set it to "1".
 
4. Restart the Windows PC to make the changes happen.
 
</pre>
 

Latest revision as of 15:18, 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:

NIC Checksum.jpg