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Microsoft Confirmed That The NVIDIA nForce Network Controllers Can Cause Network Connection Drops In Windows 7


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Customers running Windows 7 computers equipped with NVIDIA nForce network controllers might be experiencing issues with their network connectivity.

Microsoft confirmed that the NVIDIA nForce network controllers can cause network connection drops in Windows 7 and provided guidance on how users can remedy the situation.

The Redmond company explained “You have an NVIDIA nForce network controller installed on a computer that is running Windows 7. However you lose the network connection intermittently. When this issue occurs the affected network connection is displayed as limited connection” .

At this point in time the software giant is not providing an update or a hotfix designed to resolve the problem.

Customers need to head over to Microsoft Support and access KB 979464 for details on how to stop their network connectivity from dropping intermittently. According to Microsoft a simple way to deal with this issue is to disable Receive-Side Scaling (RSS). This is also the only workaround detailed by the company so far.

Microsoft stated “Click Start and then type cmd in the Search programs and files box. Right-click cmd.exe in the Programs list and then click Run as administrator. If you are prompted for an administrator password or for confirmation type the password or provide confirmation. At the command prompt type netsh interface tcp set global rss=disabled and then press ENTER” .

Users should also make sure that RSS is indeed disabled. In order to do this they need to execute the following command via cmd: netsh interface tcp show global. Under the TCP Global Parameters the Receive-Side Scaling state should read disabled.

Microsoft explained “Receive-Side Scaling (RSS) resolves the single-processor bottleneck by allowing the receive side network load from a network adapter to be shared across multiple processors. RSS enables packet receive-processing to scale with the number of available processors. This allows the Windows Networking subsystem to take advantage of multi-core and many core processor architectures” .

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