You may experience an issue in which the network device is not compliant with the TCP window scale option , as defined in RFC and, therefore, doesn't support the scale factor. In such cases, refer to this KB , Network connectivity fails when you try to use Windows Vista behind a firewall device or contact the Support team for your network device vendor.
You can use either netsh commands or Windows PowerShell cmdlets to review or modify the TCP receive window autotuning level. Unlike in versions of Windows that pre-date Windows 10 or Windows Server , you can no longer use the registry to configure the TCP receive window size. For more information about the deprecated settings, see Deprecated TCP parameters.
For detailed information about the available autotuning levels, see Autotuning levels. For more information about this command, see Netsh commands for Interface Transmission Control Protocol.
You can set receive window autotuning to any of five levels. The default level is Normal. The following table describes the levels. If you use an application to capture network packets, the application should report data that resembles the following for different window autotuning level settings.
The following registry settings from Windows Server are no longer supported, and are ignored in later versions. Examples include firewall and antivirus software. A poorly-written WFP filter can significantly decrease a server's networking performance. For links to all topics in this guide, see Network Subsystem Performance Tuning. Skip to main content. This browser is no longer supported. Download Microsoft Edge More info. Contents Exit focus mode. Is this page helpful? Please rate your experience Yes No.
Any additional feedback? Note Some network adapters require you to enable offload features independently for the send and receive paths. Significant firmware update may be required; ISP fees apply. Please visit xbox. Sign me up. Thank you! Stay informed about special deals, the latest products, events, and more from Microsoft Store. Email address required. I would like information, tips, and offers about Microsoft Store and other Microsoft products and services. Click here to read the Privacy Statement.
Talk to an expert. Need help? No Thanks. Xbox Wireless Adapter for Windows. You can also save your security key on a USB flash drive by following the instructions in the wizard. Use a firewall.
A firewall is hardware or software that can help protect your PC from unauthorized users or malicious software malware. Running a firewall on each PC on your network can help control the spread of malicious software on your network, and help protect your PCs when you're accessing the Internet.
Windows Firewall is included with this version of Windows. Select the Network or Wifi icon in the notification area. In the list of networks, choose the network that you want to connect to, and then select Connect. If you have problems with your Wi-Fi network when using Windows 10, see Fix Wi-Fi problems in Windows for advanced troubleshooting info. Choose the network that you want to connect to, and then select Connect. If you have problems with your Wi-Fi network when using Windows 11, see Fix Wi-Fi problems in Windows for advanced troubleshooting info.
Windows 11 Windows 10 Windows 7 Windows 8. Type the security key often called the password. Follow additional instructions if there are any.
Need more help? Join the discussion. Was this information helpful? Yes No. Thank you! Any more feedback? Some drivers, for example native IEEE For example, when this flag is set the driver might process the structures and indicate them up the stack one at a time but before the function returns it must restore the original linked list. A miniport driver should detect when it is about to run out of receive resources and take any steps that are necessary to avoid this situation.
If an intermediate driver forwards a receive indication, the driver must save the SourceHandle value that the underlying driver provided before it writes to the SourceHandle member.
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