Enabling Receive Side Scaling

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Applies To: Windows Server 2008 R2

To enable receive-side scaling, you need to enable it in the operating system and in the network adapter driver properties for each network adapter you want to enable. Receive-side scaling is enabled by default in Windows Server 2008 and Windows Server 2008 R2.

To enable receive-side scaling

  1. To open an elevated Command Prompt window, click Start, point to All Programs, click Accessories, right-click Command Prompt, and then click Run as administrator.

  2. Type netsh interface tcp set global rss=enabled and then press ENTER.

  3. Close the Command Prompt window.

  4. Open Device Manager (click Start, point to Control Panel, and then click Device Manager).

  5. Expand Network adapters, right-click the network adapter you want to work with, and then click Properties.

  6. On the Advanced tab in the network adapter properties, locate the setting for Receive-side scaling and make sure it is enabled.

Note

Some network adapters advertise the number of receive-side scaling queues they support on the Advanced tab.

Tip

To check the status of receive-side scaling, open an elevated command prompt and type netsh interface show global. Note the value of Receive-Side Scaling State (enabled or disabled).