Shulou(Shulou.com)06/03 Report--

Transmission Control Protocol (TCP / IP) is the communication protocol used on Internet. In earlier versions of Windows, TCP / IP was a separate optional component that could be removed or added like any other protocol. In earlier versions, starting with Windows XP / Server 2003, TCP / IP became the core component of the operating system and could not be removed. It makes sense to use TCP / IP as the core component of Windows, because its functions are particularly important for network operations and Active Directory domain environments on Microsoft Windows Server. The whole Active Directory architecture is based on DNS hierarchy and depends on TCP / IP transport protocol.

In some cases, you may encounter a corrupted TCP / IP stack on a Windows server or client workstation. This may be caused by a malware infection or by an application running on your computer. It may cause serious problems because you cannot remove and reinstall TCP / IP. So what's the solution? Reinstall the operating system? So, this is an option. However, a better option is to simply reset TCP / IP to the default state when you install the operating system. When you reset the TCP / IP transport protocol, you will overwrite the following Windows registry entries

SYSTEM\ CurrentControlSet\ Services\ Tcpip\ ParametersSYSTEM\ CurrentControlSet\ Services\ DHCP\ Parameters

Note: resetting TCP / IP can not only solve some Internet connection problems, but also help solve connection problems on the local network. In addition, it can also be used to solve problems caused by TCP / IP stack corruption, such as slow network access.

Use the NetShell (netsh.exe) utility to reset TCP / IP on any Windows computer, server, or client. When you reset TCP / IP, it rewrites all important keys in the registry that have the effect of deleting and reinstalling the entire TCP / IP stack. Netsh.exe is a command-line tool that allows you to monitor and configure network components in Windows. To run this tool, start the command prompt with administrative credentials and type netsh. Type help or question mark without quotation marks "?" To see a list of commands available in NetShell.

TCP / IP is not just a protocol, Netsh provides the option to manage interfaces in IPv4,IPv6 and TCP environments. In Windows XP, these options are available for IP and IPV6, where IP is assumed to be IPV4. Starting with Windows 7, the NetShell utility in all versions of the Windows client operating system can set the interface context to the IPv4,IPv6 protocol.

By default, Windows computers run both TCP / IP version 4 and TCP / IP version 6 protocols. If you want to disable TCP / IP v4, you may not be able to connect to Internet because not all routers in the world currently support TCP / IP v6. If you disable TCP / IP V6, you may encounter some serious problems in your Windows network. According to Microsoft, disabling TCP / IP V6 is a very bad idea because it could damage some features and services in Windows.

To reset TCP / IP, you don't need to reset IPv4,IPv6 and TCP respectively. According to Microsoft article 299357, to reset the entire TCP / IP stack, you just need to specify IP as the interface.

Https://support.microsoft.com/en-us/help/299357/how-to-reset-tcp-ip-by-using-the-netshell-utility

When you encounter problems with the TCP / IP stack, it is easier to reset and then reinstall the operating system because there is no easy way to repair the damaged TCP / IP stack. Reset any shortcomings of TCP / IP, but I wouldn't recommend it as a good choice. It is better to use it as a last resort rather than as your first choice. If you have configured a static IP address, you may need to reconfigure the IP address after resetting the IP address. Therefore, it is best to record your TCP / IP configuration before resetting. If you use DHCP to automatically configure TCP / IP settings, which is usually the case for Windows clients in corporate environments and most home computers, then you don't have to worry about any configuration issues. After resetting TCP / IP, you only need to restart your computer.

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If for some reason resetting TCP / IP does not solve your Internet or local network connectivity problems, you can also consider resetting Winsock, which is the programming interface that handles communication between Internet applications and the Windows operating system

Resetting Winsock resets the Winsock directory, but does not affect the Winsock namespace provider entries. However, if you install any Winsock tiered service providers, you must reinstall them.

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