Manageengine Netflow Analyzer Installation Guide Top [portable] Here

: Default web server port is 80 (HTTP) or 443 (HTTPS), and the default NetFlow UDP listener port is 9996 . 2. Installation Steps (Windows)

Before beginning, ensure your server meets the minimum requirements based on your expected flow rate: ManageEngine Operating Systems manageengine netflow analyzer installation guide top

| Problem | Likely Cause | Top Fix | | :--- | :--- | :--- | | | Another web server (Tomcat, Jenkins) is running. | During installation, change web port to 9090 or 8181 . Or stop the conflicting service. | | "Database connection refused" | External DB hostname wrong or firewall blocking port 3306. | Run telnet your-db-server 3306 from NFA server. Open firewall rules. | | No graphs: "No data" | Router not exporting; wrong UDP port; ACL blocking. | On router: show ip flow export . On NFA: Admin → Flow Import → Check receiver status . | | High CPU after 2 days | Java heap too small; flow retention too long. | Increase -Xmx (see Part 3). Reduce raw data retention to 7 days. | | Upgrade fails from older version | Manual customizations in mysql.conf . | Backup mysql.conf , run the installer, then restore only your custom params. | : Default web server port is 80 (HTTP)

Don’t forget to change the default admin password and purchase a license if exceeding the free trial’s 2-interface limit. Happy monitoring. | During installation, change web port to 9090 or 8181

Immediately update the admin password under Settings > User Management .

Open the terminal and grant execute permissions: chmod a+x ManageEngine_NetFlowAnalyzer_xxxx.bin .

In the NetFlow Analyzer UI: