Documentation forSolarWinds Observability

Network monitoring system requirements

Requirements to use the Network Collector to monitor your network depend on several variables, such as:

  • The volume of data to display in the browser.

This topic contains:

SolarWinds Observability general requirements

The following table lists browser requirements and recommendations for using the SolarWinds Observability web application.

Performance of the computer and internet speed where you open the browser significantly influences the speed of SolarWinds Observability.

Software Requirements
Web browsers

SolarWinds Observability supports the two most recent versions of the following web browsers:

  • Apple Safari
  • Google Chrome
  • Microsoft Edge (new Edge versions based on Chromium)
  • Mozilla Firefox
Browser requirements

The following must be enabled in your browser:

  • JavaScript
  • Cookies

Firewall or access control requirements

The browser you are using to access SolarWinds Observability's basic features must have unrestricted access to the following locations:

The clients and agents installed when monitoring network devices must be able to communicate with the SolarWinds Observability collector to report collected data.

Open your firewall or access control configuration to permit TCP/HTTPS/TLS outbound connections to the following endpoints (where xx-yy is determined by the URL you use to access SolarWinds Observability, described in Data centers and endpoint URIs) using port 443:


Review the following port requirements. See also port requirements in SolarWinds Platform on-prem requirements.

Default port Protocol Direction Description
161 UDP, TCP Outbound Port used by the Network Collector for sending and receiving SNMP data from network devices.
443 HTTPS Outbound Port used for communication with cloud endpoints. See also Endpoints and Public IP addresses used by SolarWinds Observability per data center.
443 TCP Inbound Optional: Port used by the Network Collector Web Console. Required only for remote access to the website.
1433 TCP Outbound Optional: Port used for communication between the Network Collector and the SQL Server. Required only if the SQL server is deployed on a stand-alone machine, such as in High Availability scenarios. See Configure deployed Network Collector for High Availability installation.
2055 UDP Inbound Port for receiving flows on the Network Collector. See NetFlow port requirements.
17777, 17778 TCP Inbound Special case: If the Network Collector and SolarWinds Observability Agent are installed on different servers, inbound rules for these ports are needed.

Operating systems and distributions supported for the Network Collector

If an operating system/distribution is not in the list, download and run the installer using the PowerShell command provided in the Add Data wizard.


  • Windows Server 2016
  • Windows Server 2019
  • Windows Server 2022
  • Windows 10
  • Windows 11

On Windows Server 2012, download the MSI file manually and run it using the provided PowerShell command. Script-based installation has issues with establishing a connection to download SolarWinds Observability Agent binaries.