Portqry Command

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Portqry can be downloaded from Microsoft Download Center as "PortQry Command Line Port Scanner" (portqry.exe) or as part of "PortQryUI" (GUI version).

PortQry reports three possible statuses for a port:

PortQry is not installed by default on Windows. It is part of the or the Windows Server 2003 Resource Kit Tools . However, it runs perfectly fine on modern versions of Windows 10/11 and Server 2016/2019/2022.

PortQry classifies port status into three distinct categories, providing more granular detail than a simple "open" or "closed" result:

portqry.exe -n <Name/IP> [-p <Protocol>] [-e <Port> | -r <Range> | -o <Order>]

: No process is listening on the port, or a "reset" (ACK-RST) was received.

When you run a query, PortQry returns one of three statuses:

For users who prefer a visual interface over the command line, Microsoft offers PortQryUI . This tool allows you to: