Find process using port windows. You can use netstat to identify the process using the port.

Find process using port windows Jun 14, 2022 · Test if Firewall is blocking a Port. This article is focused to solve problem, how to find all processes ids (PIDs) that listen on specific ports under Windows CMD (Windows Command). Windows has a mechanism designed to enable multiple processes to handle HTTP requests on port 80. , 5672), use the netstat command in the Command Prompt. How can I find out Since you are talking about windows, you can use "netstat -b" to see which executable is using that port. This filter the result we need to pipe to the Find. May 7, 2025 · This attempts to find and kill the process using the specified port. You don't necessarily need to know all the ins and outs of ports and processes to figure this out, but one thing that With find-process, you can: find the process which is listening specified port find the process by pid find the process by given name or name pattern We have covered the difference of main OS platform, including macOS, Linux, Windows and Android (with Termux). This can cause issues and complicate troubleshooting. It's probably something I set up long ago and forgot about how can I find out what it is? I am using Windows 8. 0:80 0. Oct 10, 2022 · How to Find the Process Listening to Port on Windows 10 & 11 October 10, 2022 3 minute read Can’t use a specific port? Here’s how to check which port is in use in Windows with simple commands and apps like currports and tcpview. 0. It's not ideal, but if you use Sysinternals' Process Explorer you can go to specific processes' properties and look at the TCP tab to see if they're using the port you're interested in. This article will explore the various aspects of this process Jan 20, 2025 · How to Kill a Process on Port on Windows 11 In today’s connected world, managing processes and network connections is a crucial skill for both novice and expert users alike. Sep 19, 2024 · I'll walk you through how to identify and kill a process occupying a specific port on Windows, macOS, and Linux. Netstat port number by process id. Simple solution how to do it with taskkill command is described below. This article will explore the various aspects of this process Aug 4, 2020 · IANA reports that nothing well-known uses port 18780. Right click on the target serial port and select Properties. Using Command Prompt Open Command Prompt as an administrator. Dec 25, 2014 · This article provides step-by-step guide on how to find which process is using or blocks a specific TCP port in Windows using NETSTAT and Resource Monitor. Jan 19, 2024 · 是不是很常在啟動程式的時候遇上port被占用呢? 這時候除了通靈外，有辦法知道是哪一支程式使用了特定的port嗎? 那你就需要會用 netstat這個指令了~ Apr 11, 2023 · TCPView is a Windows program that will show you detailed listings of all TCP and UDP endpoints on your system, including the local and remote addresses and state of TCP connections. Although the process of opening, listening, and closing network ports is seamless, identifying currently open or listening ports can help troubleshoot network-related problems. How do I know if port 8080 is occupied? Which process is running on port 8080? In order to In this section, you can find complete example how to kill process run on port 8080 using Windows Command Prompt. 138 on port 443. When one device sends traffic to another, the IP address is used to Learn how to find which process is using a TCP port in 5 minutes or less. May 21, 2024 · Listening ports are ports that are currently in use by the computer. specifically want only the port of a processes, I know the name and PID of that processes, how to find the port Apr 1, 2025 · Learn how to find which process or program is using or blocking a port on your Linux or Windows system with this tutorial. using Windows native commands only, that is more flexible and independent. This guide explains step-by-step methods to check port usage on Linux, macOS, and Windows, with best practices for Aug 27, 2012 · In Process Explorer, display the lower pane with each process's open handles by typing Ctrl + L. Click on the process that you used to open the serial port and look through the lower pane to see which handles look like they might be a serial port. Sep 14, 2025 · Whether you're troubleshooting network issues, securing a Windows server, or configuring your firewall, knowing how to check open ports in Windows is essential. You can use netstat to identify the process using the port. With all those applications, it is only natural that they use Mar 18, 2024 · In Linux, only the root user or the process owner can obtain the detailed information of the process. Sep 5, 2016 · In ubuntu first grab the process by using port number: sudo lsof -i:3000 then use kill command to kill the process, for example if the process PID is 4493 the use command: kill 4493 , for mac or windows find the related command Jun 29, 2024 · Several tools and scripts can be used to find the Windows process that is listening on a given TCP or UDP port. From the previous example, ports 80 and 443 are used by PID 1688 and 2576, so using the tasklist command will show you the process using the ports. Because a program already uses this specific port, another program is prevented from using that same port. Aug 15, 2022 · When an application claims a TCP/IP port it prevents any other application from using it. The last time this happened I tried to identify what process was running on that port: Running Get-Process -Id (Get-NetTCPConnection -LocalPort 18780). Sep 12, 2019 · How to kill a process in Windows by Name, PID or Port using 'taskkill' command from the command-line (CMD). Sep 24, 2025 · This article explains how to identify the application using a specific port on Windows using several command-line methods and includes guidance for closing the process if necessary. Let’s say you need to find more information about a running process, the place to go is obvious – Task Manager. May 9, 2017 · Find processes based on port number and kill them all. Jun 12, 2020 · How to Find Process IDs on ports with `lsof` 12 Jun 2020 tl;dr To kill a process running on a specific port use lsof as so: lsof -i :<process port number> I want to tell you how to find the server process ID that is running a on a specific port. Two major commands in Windows are used to check for open ports: Netstat (Command Apr 23, 2024 · Follow our step-by-step instructions to find and stop a process running on a specific Windows port just by using Command Prompt. Feb 14, 2015 · For each port in the list, information about the process that opened the port is also displayed, including the process name, full path of the process, version information of the process (product name, file description, and so on), the time that the process was created, and the user that created it. This guide will walk you through step-by-step methods to check whether a TCP port is open or closed using built-in tools and third-party utilities. Here's how: Open the Command Prompt as administrator. Learn how to identify and terminate processes using specific ports on Windows and Ubuntu. Note that its PID is 8552 and it’s connecting to the IP address 172. In some occasions it reports that it cannot connect because the port is being used Jan 31, 2023 · You can use the netstat command to find processes using a specific port and the taskkill command to kill them in Windows. Jun 20, 2024 · If you frequently run into issues where a process is binding to a specific port and you need to free Tagged with terminal, powershell, process, port. Jun 26, 2025 · Behind the scenes, ports serve as gateways that enable seamless communication between software applications, hardware devices, and networks. The Windows operating system provides various Aug 30, 2016 · 1 I'm using Josep's command above in a script because we have a problem where MS werfault. Mar 7, 2024 · Learn the straightforward method to identify and terminate processes occupying specific ports on your system. Nov 15, 2025 · For example, to find processes listening on port 8080, you would use the following command:Get-NetTCPConnection -LocalPort 8080 This command returns a list of TCP connections that have a local port of 8080. Check which Ports are being used. Aug 27, 2012 · In Process Explorer, display the lower pane with each process's open handles by typing Ctrl + L. It’s a pretty straightforward scenario how you find the running process’s port number when you know the process ID. step 1: Open Command Prompt: As a first move, press the Windows + R key and enter cmd in the search box. With root permission, we can gain all the necessary information on the process, for instance, the process identifier. With this feature, you can find the specific port that a program currently uses. But the answers looked like a m May 31, 2016 · In Windows, use the Netstat application to see what ports are listening. This guide provides a step-by-step approach to freeing up ports by killing processes, ensuring your development environment or server runs smoothly without port conflicts. Once the Command Prompt window opens, enter “netstat -aon | findstr :8080” to show a list of programs that are currently using port 8080. To find the Process or PID which is using port 8080 from the command line we use the command We then use the taskkill command with the PID identified from step 5. Jan 15, 2025 · TCP 0. 12. I will apply this to a practical example of Jul 14, 2023 · Understanding which process is listening to a particular port on your computer might not be something you think you'll need, but especially when running networking software or doing web development, eventually you'll find that a port is being used, but you don't know by what. Jul 23, 2025 · How to Check Open Ports Using CMD in Windows How to Check Open Ports Using CMD in Windows Make sure that the essential ports are allowed or blocked by your firewall system configuration. Step 1: Finding and Killing the Process on Windows First, let's look at how to do this on Windows. Download the Process Explorer tool from Microsoft. Windows 11 has incorporated a range of features designed to streamline these tasks, but sometimes, users find themselves needing to forcibly terminate processes that are using specific ports. To do this, open the Start Menu and type “cmd” into the search bar. View the results and take note of the addresses, port numbers, state, and PID. When I try to start the SSH Service, it tells me that the port is already being used. 0:0 Listening 888 If you use Task Manager, you can match the process ID that is listed to a process name (program). Commands example: Oct 31, 2023 · On Windows 11 and 10, you can use the "netstat" command tool to view network activity statistics to discover open and connected ports to monitor and troubleshoot network problems, and in this Oct 16, 2024 · To fix a port already in use, you can either kill the process running on that port or change your app to use a different port. Sep 26, 2020 · To find a process using a port on Windows using command line, STEP 1: Open cmd. Your Windows 11 creates many ports virtually where internet connections start and end. Jan 6, 2020 · On windows use netstat -nba | FINDSTR "LISTEN" to get a list of processes (Pids) listening on a port if you need to find a specific port, then pipe it through findstr twice netstat -nba | FINDSTR "LISTEN" | FINDSTR "3000" In powershell you can then use Stop-Process CMDlet with the Id option to stop the process Stop-Process -Id 1234 if you want to do it all in one powershell command, you can go Oct 29, 2015 · In Windows what can look for port 8080 and try to kill the process it is using through a . I am using XP. BAT file? Feb 28, 2025 · In Windows, port 80 is commonly used by web servers like Apache, IIS, or Nginx. Jun 21, 2016 · How to find process ID of Process using a port in Windows. Jun 15, 2023 · On Windows, how can I find which process is listening on a given port and kill it? For example, I want to find and kill the process listening on localhost:8080. Understanding which ports are in use on your Windows 10 or Windows 11 system is crucial for troubleshooting network issues, enhancing security, optimizing performance, and configuring servers or applications. Mar 16, 2024 · When starting a new service or app on Windows, you may find that another program (process) already occupied (listening) the port you want to use. Whether it’s due to Open a command prompt window as administrator. I installed freeSSHd on a Windows Server 2008 box that only runs IIS. Also learn how to check which process or service is using the open port. Feb 25, 2025 · Learn how to identify which process is listening on a specific TCP or UDP port in Windows using simple commands. Jul 19, 2025 · This guide explains step-by-step methods to check port usage on Linux, macOS, and Windows, with best practices for interpreting results and managing processes effectively. Subsequently the wrong task could be killed. When we want to check a process listening on a particular port, we don’t know who the process belongs to. exe utility and again, the result is text!. Jul 21, 2015 · Port 22 specifically. Apr 6, 2019 · My service crash on startup with the classic: java. Whether you are developing software, troubleshooting network issues, or simply managing applications, understanding how to kill a process that is using a specific port is a critical task. Example: By using the Windows System Tool Process Explorer, it is possible to search windows to find out what programs are using serial ports. This is why the system process listens on 80 for you - it can dispatch each request to whichever process is responsible for the particular URL Part 1: Discovering Applications on Port 80 1. Simple solution how to find opened ports with netstat command is described below. The TCPView download Dec 31, 2011 · Does somebody knows how to close a TCP or UDP socket for a single connection via windows command line? Googling about this, I saw some people asking the same thing. Because this specific port is in use already by a program, another program is prevented from using that same port. Oct 30, 2023 · Well, don‘t worry my friend. Using Netstat command: Open a CMD prompt On Windows Server 2008, Vista, and XP, TCPView also reports the name of the process that owns the endpoint. In this blog post, we’ll explore how to use the Command Prompt on Windows May 4, 2022 · Port 137 is netbios-ns (netbios name service) and although both TCP and UDP are reserved Windows only uses UDP, so you will never see a 'connection' using this port (UDP doesn't have connections). May 7, 2025 · This article outlines several methods available on Windows systems to identify the process associated with a particular port, using both command-line and graphical tools. With countless applications vying for network resources, understanding which processes are using those resources becomes paramount. g 18080 or a process id that has 8080 in it. Jul 19, 2025 · Identifying which process is using a particular port is crucial for troubleshooting network issues, freeing up occupied ports, and ensuring system security. If you select the Network tab, there's a section called 'Listening Ports'. Isolated the process in Process Explorer and killed the process using Process Explorer. Read now! Can't use a specific port? Here's how to check which port is in use in Windows with simple commands and apps like currports and tcpview. Jun 7, 2010 · How do I get the ports that a process is listening on using python? The pid of the process is known. It's entirely possible for IIS to coexist with multiple other applications all handling port 80 requests. Jan 3, 2025 · Use Netstat to See Listening Ports and PID in Windows Introduction In today’s interconnected world, managing network connections efficiently is critical for IT administrators, developers, and security experts alike. We’ll use the PID later to find out what process is using a specific port. Determine Which Program Uses or Blocks a Port How to Identify Programs Using or Blocking Ports on Your Computer Windows: The Netstat. This happened to me twice on Windows Server 2012, and it was due to one of the following reasons: Jan 16, 2024 · How can you kill it to free up the port and, eventually, be able to run your application? In this article, we will learn how to find the blocking port in Windows 10 and Windows 11, and then we will learn how to kill that process given its PID. ExportException: Listen failed on port: 9999 How can I find the process for killing it? May 18, 2022 · Learn how to see which process or application is using a particular port, and likewise, which port is being used by a particular process on a Windows OS. From there type the following command: netstat -b -a This will give you a list of all open ports and their process associated with it. exe (Dr Watson) steals port 8080 from our proxy server. Tried to search but could not find a way to figure that out. Here’s how to find and kill running processes on macOS, Windows and Linux. The -o tells netstat to include the PID. OwningProcess returned Cannot find a process with the process identifier 7188. using find to filter out ports (in contrast, although netstat -b can provide process name directly, but going through its output to search manually is painful and error-prone); 2. exe utility has a switch that can display the process identifier (ID) associated with each connection to identify port conflicts. netstat -aon | findstr 8080 -a - Apr 8, 2023 · To check what is running on port 8080 in Windows 10, you can use the Command Prompt. Jan 11, 2012 · Use the netstat -anp | find "port number" command to find whether a port is occupied by an another process or not. This can be achieved using built-in tools like lsof, netstat, ss, or PowerShell commands depending on your operating system. Dec 27, 2023 · Being able to map active listening TCP and UDP ports to the associated processes is a critical network administration and troubleshooting skill. Apr 7, 2016 · 4 Windows 8 (and likely 7 + Vista) also provide a view in Resource Monitor. May 3, 2023 · Your search end here! In Windows 11, you can easily terminate these stubborn processes and free up ports by using various methods to kill processes on a port. Jan 12, 2020 · TCP 0. Mar 17, 2024 · Instead of netstat, you can use the Get-NetTCPConnection cmdlet in PowerShell to get information about active network connections in Windows, open TCP ports, and run processes that are using the TCP/IP protocol. Ports are used to establish network connections between computers. In PowerShell we May 21, 2024 · Using Tasklist Command If you prefer using native Windows commands within Git Bash, you can utilize the tasklist command to find the process ID associated with a specific port. Jan 30, 2025 · This article provides steps to use the netstat and lsof utilities to check the ports in use and view the application that is utilizing the port. Using netstat -ao | find ":443", I found out that port 443 is being used by PID 4, which was the System process. First let‘s highlight why this matters… Over 70% of malware and […] May 18, 2023 · Identify and terminate processes using a specific port on Windows with step-by-step instructions and PowerShell scripts to fix address already in use errors. This is useful in a micro-service based development when you want to kill a server, not all of them. Mar 23, 2019 · 43 This question already has answers here: How do I remove the process currently using a port on localhost in Windows? [closed] (28 answers) Oct 25, 2025 · Whenever an application wants to make itself accessible over the network, it claims a TCP/IP port, which means that port can't be used by anything else. If we want to display the associated process identifier (PID) of each process we add the -o parameter. Finding the Process ID (PID) To identify the process using a specific port (e. The Control Panel's Windows Firewall settings allow you to control all the initial processes for system requirements. Open the Command Prompt in administrator mode, type in the command below and press enter. Dec 16, 2024 · When a computer has too many processes running at once, it can slow down the computer. See full list on tecadmin. Type netstat -aon | findstr '[8080]' If the port is being used by any application, then that application’s detail will be shown. Jul 17, 2012 · You can then use the tasklist command with the specific PID that corresponds to a port in question. Alternatively, Sysinternal's TCPVIew does the same, but in a much better and cleaner way. Free up necessary ports and resolve conflicts effectively with our step-by-step guide. If you’re running into port conflicts — for example, when setting up XAMPP — you need to find and free port 80. This information can be used to determine which process (program) listens on a given port. This feature enables you to find the specific port that a program currently uses. So how do you check open ports to see what application is already using it? How Do Ports Work? An IP address specifies a computer—or other network device—on a network. Open Device Manager and expand Ports (COM & LPT). Can sort by port number, and see which process is using it. If you need more information, type the following: netstat -b -a -o The -o will show the process id which you can look up in your taskmanager, processes tab, or if you need to kill that process, you can simply enter I have something running at port 9090 on my local machine. First, you need to determine the PID from the netstat command and then use the following command to find detailed information about the process: tasklist /FI "PID eq " Oct 26, 2019 · You could use the following two methods, depending on your OS :) Windows Open the command prompt - start » run » cmd or start » All Programs » Accessories » Command Prompt. server. By using the In this comprehensive guide, we will explore how to find which process is listening on a TCP port using PowerShell, offering step-by-step instructions, advanced techniques, real-world use cases, and plenty of code examples. For example, I've seen that when I listen to some ports for HTTP requests in my app, then the PID that is shown using that port number is 4 (System process). exe STEP 2: Run the following command (Replace <PORT> with the port you want to query): netstat -ano | findstr :[PORT] This will give you the list of the processes using the specified port in windows. Feb 15, 2011 · PowerShell - How to find running processes and their port number 1 minute read The netstat command line utility displays protocol statistics and current TCP/IP network connections. When an application tries to make itself available over the network, it claims a TCP/IP port. Other helpful tips: 1. ps -efl | grep PORT_NUMBER | kill -9 process_found_previously how to complete the last column? Dec 11, 2023 · To find the process which is using the Serial port (COM), follow the steps below. Find process using port Windows, check which application is using which port number using Command Prompt, how to find port number using PIDShare this Video:h Jul 11, 2017 · Either it's being used by Windows itself (which would be odd, for the System process to just start using a new port), or some other program is using the System process as some sort of proxy. By the end, you‘ll have all the tools to kill pesky port-hogging processes with ease! Why Would You Need to Kill a Process on a Port? Aug 17, 2012 · Is there a way to examine the status of a specific port from the Windows command line? I know I can use netstat to examine all ports but netstat is slow and looking at a specific port probably isn't. I am trying to figure out who's locking my COM port. netstat -aon | findstr 8080 -a - In this section, you can find complete example how to kill process run on port 8080 using Windows Command Prompt. Jan 27, 2025 · Managing processes and their corresponding network ports on Windows 11 is an essential skill for both IT professionals and everyday users alike. Some reports indicate potential issues terminating processes with elevated privileges on certain Windows versions using this method, although others find it works successfully. In this guide, I‘ll show you several effective methods to track down and terminate the process that‘s currently bound to a port on your localhost in Windows. Jan 3, 2023 · I am looking for a way to find out any process that may prevent binding to a port on a windows 10 machine. net Oct 25, 2025 · Checking open ports can be done using built-in tools like Command Prompt or PowerShell, which list active ports and the associated process names or identifiers. In conclusion, being aware of the ports in use on your Windows 11 computer is essential for troubleshooting network and application issues. Jul 14, 2025 · This article aims to provide an in-depth understanding of how to use Netstat to view listening ports and associated Process IDs (PIDs) in Windows, including practical examples, explanations of core concepts, and advanced tips for effective use. The number, which is shown at the last column of the list, is the PID (process ID) of Jan 20, 2025 · How to Kill a Process on Port on Windows 11 In today’s connected world, managing processes and network connections is a crucial skill for both novice and expert users alike. Part 1: Discovering Applications on Port 80 1. Was wondering if 'Process Explorer' utility provides something for Dec 29, 2023 · In the domain of networking and system administration, it’s essential to identify processes running on specific ports. Jul 4, 2017 · Is there a generic way to find out which service listens to a port as the System process? In my case, the System process, PID 4, is listening on the port 443 (https), so another program that needs Jun 12, 2018 · I am using a software development IDE (Intellij) that is using local machine port 5005 for Java program debugging. TCPView also reports the name of the process that owns the endpoint. This guide will walk through 5 methods to identify the process bound to any port on Windows using built-in and third-party tools. . The above methods provide quick and easy ways to check for ports in use and identify the processes associated with them. Let’s say we want to know what’s using port 63240. Any useful hints to list used ports and using applications without 3rd-party applications? Mar 22, 2025 · A step-by-step guide to using netstat, tasklist, and taskkill to identify and terminate the process blocking a specific port on Windows. Jul 18, 2019 · Learn different ways in which you can find out a process running on a port in windows and to find all the listening ports. TCPView provides a more informative and conveniently presented subset of the Netstat program that ships with Windows. Using the lsof command to find the process id and then the kill command is a common method to resolve such conflicts. Find PID of process that uses Port number in Windows or DOS. rmi. Aug 30, 2016 · 1 I'm using Josep's command above in a script because we have a problem where MS werfault. More a case of an app server using bad practices. It's a great command, but the find "8080" will also find a port of e. The first script utilizes the Windows Command Prompt. Pros of this solution including: 1. Feb 15, 2023 · The Problem How do I find out which process is listening on a TCP or UDP port on Windows? The Solution We can do this using netstat : Open the Start Menu and… Jan 20, 2023 · How to find port on windows (using pid or processes name) I know the PID, but I need the port on which the processes are running Jul 23, 2025 · Certain apps and processes in Windows may face issues due to closed or misconfigured ports, often caused by firewalls or private IP addresses. Nov 26, 2010 · A Hybrid use of TCPView and Process Explorer worked for me ;) I first looked in to the process id which was using the port in TCPView. Mar 10, 2024 · This article covers a get process id and name listening protocol TCP/UDP ports in windows, Powershell Jan 12, 2016 · I have trouble identifying the application using port 25 on my Windows 10 system. In some occasions it reports that it cannot connect because the port is being used This article is focused to solve problem, how to kill process (PID) that listens on specific port under Windows CMD (Windows Command). With find-process, you can: find the process which is listening specified port find the process by pid find the process by given name or name pattern We have covered the difference of main OS platform, including macOS, Linux, Windows and Android (with Termux). netstat -nao or tcpview with 'show unconnected endpoints' on (and preferably 'resolve addresses' off) should show it; they do on my system (W10 home). Running the command: tasklist /svc /FI "PID eq 1688" Jan 20, 2023 · I know the PID, but I need the port on which the processes are running. How to find the process running on a port on Windows 11 using PowerShell Sep 10, 2008 · Is there a command equivalent to 'ps' on Unix that can list all processes on a Windows machine? Jul 18, 2019 · Learn different ways in which you can find out a process running on a port in windows and to find all the listening ports. This article will show you how to find out which process is listening on a specific TCP or UDP port on Windows. The output includes properties such as OwningProcess, which is the PID of the process using the port. List all processes by process id (pid Jul 12, 2024 · The scripts provided are designed to identify which process is listening on a specific TCP or UDP port on a Windows system. This is why the system process listens on 80 for you - it can dispatch each request to whichever process is responsible for the particular URL Jun 29, 2024 · Several tools and scripts can be used to find the Windows process that is listening on a given TCP or UDP port. My issue is that I have a server application that cannot open a socket on port 7777, sometimes it is 2809 that is blocked. Apr 11, 2025 · This article explains how to check open ports to recognise network issues and test firewall configurations using the command prompt. Windows has many applications connected or trying to connect to the internet at any point in time. If it is occupied by an another process, it will show the process id of that process. Powershell is running under a local admin account. The netstat command with the find option can help identify processes using port 80. 217. g. dhxfdh dozv maxkjj tokbgi dwwajjo hdcadt iloe alggmd phvthub nzgig yuwek ixfb bdjar ybqqz zjuenf