Keep a copy of the latest offline installer on a dedicated, read-only USB drive stored in your disaster recovery safe. When a critical network outage occurs, you won't be scrambling to download 4 GB over a tethered cell phone hotspot. Last updated: Q2 2025. Always check SolarWinds THWACK community for the latest offline installer versions and known issues.
dism /online /add-package /packagepath:D:\sources\sxs\microsoft-windows-netfx48-ondemand-package.cab Cause: The offline installer tried to extract SQL Express to %TEMP% but the drive is full or has permissions issues. Fix: Manually extract the SQL Express binaries from the installer: solarwinds npm offline installer
By following this guide, you can confidently deploy SolarWinds npm on air-gapped servers, silent-install across dozens of polling engines, and maintain your monitoring infrastructure without ever poking a hole in your firewall for HTTP outbound access. Keep a copy of the latest offline installer