Submit a ticketCall us

WebinarWebinar: A checklist for planning your Network Performance Monitor (NPM) upgrade

Are you ready for your next upgrade? To help you plan smoothly, join this webcast to learn more about, SolarWinds® Orion® Installer, SolarWinds Upgrade Advisor, Upgrades Guides, Training Videos, and other resources available. We’ll share key upgrade planning considerations, lessons learned from customers with practical advice from SolarWinds Product Experts. We’ll also give practical tips to identify the estimated time needed and resources, how to prepare the business and IT staff for changes, ways to plan for required system changes, and more.

Register now.

Home > Success Center > VoIP & Network Quality Manager (VNQM) > VNQM - Knowledgebase Articles > Additional Polling Engine is not polling the SIP trunk statistics

Additional Polling Engine is not polling the SIP trunk statistics

Updated August 9, 2018


The Session Initiation Protocol (SIP) trunk statistics are not being polled in an Additional Polling Engine (APE) running VNQM 4.5.


  • VNQM 4.5


  • The SIP trunk plug-ins are not properly installed in the APE
  • The VNQM 4.5 installation is not complete. 


  1. Log in to the Additional Polling Engine.
  2. Navigate to:
    C:\Program Files (x86)\Common Files\SolarWinds\Collector\Plugins
  3. Ensure that the following SIP trunk plug-ins are installed in the directory:
    • IPSLA.CCM.SIPTrunk.plugin
    • IPSLA.CCM.SIPTrunkPerfMon.plugin
    • IPSLA.CCM.SIPTrunkStatus.plugin
  4. Perform a repair in VNQM 4.5 on the affected poller.
    1. Log in to another Additional Polling Engine.
    2. Go to Control Panel > Programs and features.
    3. Ensure that the following programs are installed:
      • SolarWinds VOIP
      • Network Quality Manager 4.5
    4. Right-click VNQM and select Repair.
    5. Run the Configuration Wizard, checking the database and services.
  5. Repeat step 4 on the remaining Additional Polling Engines. 




Last modified