How can you find out which process is listening on a port on Windows?

If you can start cmd as an Administrator, simple run:

netstat -nab

which will give you the list of open sockets along with the names of processes.

In other case you can try to find it by process-id manually. For example, lets find which application is listening to SNMP 162 port number:

socket2pid_windows

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About mezzantrop

10 years of experience in large SAN and storage environments: mainly Hitachi, HP and Brocade. Now I am a proud SAN/storage IBMer. Empty – expect-like tool author. FreeBSD enthusiast.
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