Scans ports 1 through 1024 on the target server.
portqry -n dc01.domain.com -p tcp -o 389,636,3268,3269,88,464
portqry -n 192.168.1.10 -p udp -e 53
: The tool received no response, indicating the port is blocked by a firewall or network filtering. Common Command Examples Command Syntax Check a specific port portqry -n [ServerName] -e 80 Check multiple ports portqry -n [ServerName] -p UDP -o 135,161,445 Scan a port range portqry -n [IPAddress] -r 1:1024 Silent mode (for scripts) portqry -n [ServerName] -e 80 -q Filter for open ports portqry -n [IPAddress] -r 1:1024 | find ": LISTENING" Advanced Troubleshooting Features
portqry -n 192.168.1.100 -p tcp -e 80
: Easily export findings into text files for documentation or sharing with support teams. Practical Applications
12 Feb 2026 — PortQry is a command-line tool that you can use to help troubleshoot TCP/IP connectivity issues. Microsoft Learn RPC error troubleshooting guidance - Windows Client portqry command
This checks if the remote server (192.168.1.10) is accepting connections on HTTP port 80.