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SolarWinds Orion Network Performance Monitor by Joe Dissmeyer

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How Orion NPM monitors your network

The Orion NPM system is a database-driven web application which operates on top of Microsoft .NET server technologies. Microsoft Internet Information Services (IIS) is the web service for the Orion Dashboard and Microsoft SQL Server is the database backend for all information gathered from network devices and servers.

Devices are added to the Orion NPM database either manually by IP address or DNS name, or automatically by using the Network Sonar Wizard. Once a device has been added to Orion NPM, it is polled for data by Orion NPM on a predefined timer, or counter. An internal process consistently runs in the background on the Orion NPM server that checks when to "kick off" the polling engine depending on the ...

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