Solarwinds Npm Offline Installer Exclusive

| Issue | Cause | Solution | | --- | --- | --- | | | Offline installer includes it, but registration fails. | Run sqlncli.msi manually from the \Prerequisites folder inside extracted installer. | | License activation loop | Expired trial or incorrect XML file. | Ensure you used the correct machine hash and that your license is valid. Contact SolarWinds support. | | IIS configuration error | Missing ASP.NET 4.8 or URL Rewrite module. | Install URL Rewrite from the \Redist folder manually (offline MSI included). | | Port conflict with existing web server | IIS already uses port 80/443. | Reconfigure NPM to use a custom port like 8443 during installation. | | Database connection timeout | SQL Server not configured for remote connections (even local). | Open SQL Server Configuration Manager > Enable TCP/IP > Restart SQL service. |

To install SolarWinds NPM using the offline installer, follow these steps: solarwinds npm offline installer

When deploying NPM in an offline environment, additional security best practices apply: | Issue | Cause | Solution | |