These specifications apply to the Primary Polling Engine (the main server). Requirements scale based on the number of nodes (devices) and interfaces you are monitoring.
The requirements below are scaled by environment size (number of monitored elements): Small (up to 1,000 elements) Medium (up to 10,000 elements) Large (over 10,000 elements) Quad-core (3.0 GHz) Dual quad-core (3.0 GHz) Dual quad-core (3.0 GHz) 8 GB (16 GB recommended) Hard Drive 20 GB (minimum) 400 GB+ (RAID 1+0 recommended) Software & Database Requirements Operating System: solarwinds npm 202026 system requirements free
| Port | Protocol | Purpose | |------|----------|---------| | 17778 | TCP | Orion Service Bus | | 17777 | TCP | Additional Polling Engine | | 1433 | TCP | SQL Server | | 80/443 | TCP | Web console (HTTP/HTTPS) | | 161 | UDP | SNMP polling | | 162 | UDP | SNMP traps | These specifications apply to the Primary Polling Engine
The main database (SQL Server) will consume the majority of available RAM. For the free trial, 16 GB is sufficient to monitor a small lab of 50–100 devices. For the free trial, 16 GB is sufficient
To access the web interface, you need: