windows 7 - What does Can not obtain ownership information in Netstat -ab mean

windows 7 – What does Can not obtain ownership information in Netstat -ab mean?

windows 7 – What does Can not obtain ownership information in Netstat -ab mean?

Run netstat -ano and look at the PID that it is under.

If you add the -o option, youll see the PID values, and likely it will be PID 4, which is the System PID. This means it is probably a Service. (Note that Windows 7 will report PID 4, while Windows XP will report System).

This link gives some ideas of what it might be: https://superuser.com/questions/43307/whys-is-system-process-listening-on-port-80?rq=1

windows 7 – What does Can not obtain ownership information in Netstat -ab mean?

Its probably NETBIOS, if the port used is 137, 138, or 139. On my Win7 system, disabling NETBIOS on all my network adapters from the Network and Sharing Center made the connections disappear from netstat.

Im posting this as a new answer because the other questions linked above are protected, and I cant reply to those answers as a guest. Hopefully this will help people like me who stumble onto this question.

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