How to Reset TCP/IP in Windows and Troubleshoot Internet Connection Issues

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TCP/IP, translated as Transmission Control Protocol/Internet Protocolis a set of protocols that allow communication between computers on a network. It’s been with us since Vinton Cerf and Robert E. Kahn created it for the ARPANET network in the 1970s, the seed of what would later become the Internet.

TCP/IP controls how digital information is divided into packets, how those packets are routed between a computer and a chosen destination, or how a PC can ensure that all packets have been received correctly. As you can understand, this protocol remains essential to the functioning of the modern Internet and communications between electronic devices.

Reset the TCP/IP stack in Windows

How to configure this Internet protocol suite it is stored locally on the devices, sometimes the configuration is corrupted by malware, system update, application or driver that we install. This leads to a communication problem, the data does not arrive, there are addressing or domain name resolution errors. The result is a local network or internet connection error.

Most TCP/IP failures can be easily solved reset your software stack. In Windows 10 or Windows 11, it can be fixed with a single command in the console, be it Command Prompt, PowerShell, or the new Terminal. As you could see in our last guide, the console is still very useful to perform tasks in a smoother and faster way like the one at your fingertips. For that:

  • Access the Windows command prompt in any way, for example by typing “CMD” in the Windows search engine:

reset tcp/ip

  • Access in administrator mode
  • write the command netsh int ip reset and press enter:

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  • If the task is executed successfully, you will see how the software stack components are successfully reset:

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Once the process is complete, restart your computer. Not all network problems can be solved so easily, as multiple protocols, software, and hardware components are involved, but if it is a TCP/IP problem it is usually solved as described.


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