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Home > Success Center > Network Performance Monitor (NPM) > NPM 12.2 Administrator Guide > Licensing SolarWinds NPM > NPM licensing levels

NPM licensing levels

Updated October 20th, 2016

License Number of monitored elements
SL100 Up to 100 nodes, 100 interfaces, and 100 volumes (300 elements in total).
SL250 Up to 250 nodes, 250 interfaces, and 250 volumes (750 elements in total).
SL500 Up to 500 nodes, 500 interfaces, and 500 volumes (1500 elements in total).
SL2000 Up to 2000 nodes, 2000 interfaces, and 2000 volumes (6000 elements in total).
SLX Virtually unlimited number of elements. With the default polling interval, one polling engine can monitor a maximum of 12,000 elements. To monitor over 12,000 elements, use additional polling engines (APEs). Each APE requires a license.

Database size increases with the addition of monitored elements. Depending on the number of elements and the amount of traffic on your network, monitoring more than 10,000 elements can require additional polling engines.

License SolarWinds NPM with other SolarWinds products

Your SolarWinds NPM license interacts additively with your other SolarWinds licenses.

For example, if you have an NPM SL500 (500 nodes and 500 volumes) installed with SAM AL150, you can monitor:

  • 650 nodes (500 NPM nodes + 150 SAM nodes)
  • 650 volumes (matching the node count)
  • 500 interfaces monitored with SNMP
  • 150 application monitors
  • An unlimited number of interfaces polled using WMI
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