When managing network connections in Windows, you may need to identify which process is using a specific port. This can be done by listing the owning process IDs associated with each connection.
List All Listening Ports with Process IDs
netstat -ao | find /i “listening”
Terminate a Process by ID
If you want to free up a port, you can terminate the process using its ID:
Taskkill /F /PID [process-id]
Find a Specific Port
To check which process is using a particular port, run:
netstat -aon | findstr [port-number]
Note: Always ensure you are terminating the correct process, as killing system‑critical tasks may affect stability.
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