Documentation forNetwork Topology Mapper

NTM 2.3 system requirements

Release date: January 17, 2024

SolarWinds strongly recommends that you install Network Topology Mapper on a server that is neither public, nor internet-facing. To learn about best practices for configuring your Network Topology Mapper installation securely, see Best practices to secure SolarWinds Products.

You cannot install both NTM and SolarWinds Platform products, such as SolarWinds Hybrid Cloud Observability, on the same machine. If installed on the same machine, one of the products will not work.

The following tables provide the minimum requirements for SolarWinds NTM.







Operating System

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

NTM supports FIPS.


  • English
  • German
  • Japanese
  • Chinese

CPU Speed

2.66 GHz or faster

Device discovery and map rendering are CPU-intensive. SolarWinds recommends installing NTM on the fastest CPU PC available.

Hard Drive Space

10 GB


500 MB

Application Framework

.NET 3.5 SP1

.NET 4.0

.NET 4.5

If .NET is missing, install .NET Framework 4.5.2. See Microsoft .NET Framework 4.5.2 (Offline Installer).

  • Microsoft SQL Server Compact 4.0 SP1 x64 ENU
  • Microsoft SQL Server Compact 4.0 SP1 x86 ENU

Port requirements

Port Protocol Service or process Direction Description
161 UDP SolarWinds Network Topology Job Scheduler Bidirectional The port used for SNMP statistics collection.
443 TCP SolarWinds Network Topology Job Scheduler Bidirectional

The port used to communicate with VMware Virtual Center or ESX server.

17778 HTTPS SolarWinds Network Topology Job Scheduler Outbound The port used to access the SolarWinds Information Service (SWIS) API for exporting maps from a scheduled discovery to Network Atlas.
135 and a range between 1024 and 65535 TCP/UDP SolarWinds Network Topology Job Scheduler Bidirectional

WMI uses TCP Port 135 and a range of dynamic ports between 1024 and 65535. You can set up WMI to use a custom range. For details, see Setting Up a Fixed Port for WMI in Microsoft documentation (© 2023 Microsoft, available at, obtained on May 22, 2023.)