Follow these steps to deploy ManageEngine NetFlow Analyzer on a Windows Server environment. Step 1: Download the Installer
RHEL 7 to 9, CentOS 7 to 8, Ubuntu 18.04 LTS to 22.04 LTS (64-bit editions). Ports to Open (Firewall Requirements)
Before starting the installation, ensure your server meets the minimum hardware and software requirements based on your network traffic volume. Hardware Requirements Traffic Volume (Flows per second) (< 1,000 fps) 250 GB (SSD recommended) Medium (1,000 - 5,000 fps) 500 GB (SSD) Heavy (> 5,000 fps) 1 TB+ (NVMe SSD) Software & Port Requirements Supported OS (Windows): Windows Server 2016, 2019, 2022. manageengine netflow analyzer installation guide
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Before starting, ensure your environment meets these basic requirements and configurations: Follow these steps to deploy ManageEngine NetFlow Analyzer
Run the installer with root privileges to ensure proper service creation: sudo ./ManageEngine_NetFlowAnalyzer_64bit.bin Use code with caution. Step 3: Command-Line Setup Navigation
| Scope | CPU | RAM | Hard Disk | | :--- | :--- | :--- | :--- | | | 2 Core | 4 GB | 50 GB | | Recommended (Production) | 4 Core (64-bit) | 8 GB - 16 GB | 200 GB+ (SSD recommended for high IOPS) | Hardware Requirements Traffic Volume (Flows per second) (
If you have an 8GB, 16GB, or 32GB machine, you can improve performance by manually adjusting the Java heap size and PostgreSQL database parameters. These settings are modified in a configuration file ( wrapper.conf for Java, customer_ext.conf for PostgreSQL). For specific tuning values for your RAM size, you can refer to the official documentation. You can also tune Java alone if you are using an MSSQL database.
| Issue | Likely Cause | Solution | |-------|--------------|----------| | Web UI not loading | Port conflict or firewall | Check bin/netflow_status.bat (Windows) or ps aux | grep tomcat ; open 8080 in firewall. | | No flows seen | Flow export not configured on device | Use Wireshark on collector port 2055 to verify UDP packets. | | High memory usage | Too many active flows | Reduce retention period or increase RAM. Switch to external database. | | Database connection error | Corrupt embedded DB | Restore from backup or run bin/db_backup.sh --repair . | | License expired or invalid | 30-day trial ended | Apply license from ManageEngine under . |
: Select your back-end database (PostgreSQL is bundled by default).
For further reading, consult the official documentation: ManageEngine NetFlow Analyzer Admin Guide