The current version (3.9.x) typically requires Java 17+. If your server has an older Java environment, you may need version 3.7.6 , which was the last release to run under Java 8.
Many tools like Advanced IP Scanner and Angry IP Scanner offer portable editions that don't require a formal installation, minimizing changes to your server's registry. download ip scanner for windows server 2012
Finding a reliable IP scanner for Windows Server 2012 (and 2012 R2) is essential for modernizing legacy environments and managing local network assets. While some modern tools have moved toward newer OS architectures, several industry-standard scanners remain fully compatible or offer legacy versions for this specific server edition. Top IP Scanners for Windows Server 2012 The current version (3
You may need to temporarily allow ICMP (Ping) or specific port traffic in Windows Firewall with Advanced Security to get accurate scan results. Summary Comparison Primary Use Case Server 2012 Fit Advanced IP Scanner Quick LAN analysis & RDP Excellent (Win 8 kernel) Angry IP Scanner Open Source Fast port scanning Good (Version 3.7.6 for Java 8) Lansweeper Asset & Inventory Excellent (Native Server Support) Nmap/Zenmap Open Source Security auditing Excellent (Universal compatibility) Advanced IP Scanner - Download Free Network Scanner Finding a reliable IP scanner for Windows Server