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This knowledgebase contains questions and answers about PRTG Network Monitor and network monitoring in general. You are invited to get involved by asking and answering questions!

PRTG Network Monitor

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Knowledge Base overview

This is an overview of some of the important topics. You can view other topics grouped by, activity, hottest, newest, views, votes.

14 votes

How can I propose new features or sensors for PRTG?

feature-request important improvement-request prtg prtg-kbtracker sensor-request

By Stephan Linke [Paessler Support]
Views: 34212, on Apr 30, 2018 7:55:52 AM

9 votes

My WMI sensors don't work. What can I do?

important pe-code prtg troubleshooting wmi

By Volker Uffelmann [Paessler Support]
Views: 501112, on Feb 19, 2010 9:28:24 AM

6 votes

How can I speed up PRTG—especially for large installations?

hardware important installation make-faster planning prtg sensor-type server-settings speed troubleshooting

By Daniel Zobel [Product Manager]
Views: 192772, on Mar 19, 2010 12:24:20 PM

4 votes

How can I use the PRTG Application Programming Interface (API)?

api css custom-notification custom-script-exe custom-sensor important mini-probe prtg script web-interface

By Daniel Zobel [Product Manager]
Views: 242179, on Feb 5, 2010 2:47:46 PM

4 votes

How and where does PRTG store its data?

data database important logs paths prtg registry storage system

By Daniel Zobel [Product Manager]
Views: 521400, on Feb 3, 2010 1:25:56 PM

2 votes

I run PRTG on VMware. How can I obtain best performance?

checklist important performance prtg recommendations settings virtual-machine vm vmware

By Gerald Schoch [Paessler Support]
Views: 145926, on Mar 18, 2013 3:03:05 PM

2 votes

How can I move or migrate my PRTG installation to a different system or server?

cluster important installation license migration move prtg standalone

By Daniel Zobel [Product Manager]
Views: 456725, on Feb 3, 2010 10:44:44 AM

0 votes

Assistance with installation, licensing, activation, and login

activation general important installation license login prtg

By Daniel Zobel [Product Manager]
Views: 33014, on Apr 13, 2010 8:51:49 AM

0 votes

What is the Active Flow Timeout in Flow sensors?

active-flow-timeout error-code flow flow-timeout important jflow netflow pe083 sensors settings

By Gerald Schoch [Paessler Support]
Views: 108614, on Oct 7, 2015 5:09:31 PM

0 votes

After updating to PRTG 20.1.55, my Python Script Advanced sensors are down

custom-sensor important prtg python python-script-advanced-sensor

By Florian Weik (1,927) ●2 ●2
Views: 8019, on Feb 20, 2020 2:11:11 PM

0 votes

How to set up the SQL v2 sensors in PRTG? Is there a guide?

custom-sensor guide important mysql mysql-v2-sensor oracle-sql-sensor prtg sql tutorials

By Luciano Lingnau [Paessler]
Views: 68501, on Aug 1, 2016 11:25:52 AM

0 votes

Value interpretation (aka Lookups)

custom-snmp important lookups oid prtg ups value-interpretation

By marcoliewerenz (0) ●1
Views: 15517, on Aug 1, 2016 3:10:36 AM

0 votes

What is a "sensor" in PRTG?

definition help important prtg sensor website

By Daniel Zobel [Product Manager]
Views: 122973, on Mar 6, 2012 2:00:24 PM

0 votes

My Windows sensors do not work when using direct performance counter access. What can I do?

important performance-counters prtg sensors windows

By Daniel Zobel [Product Manager]
Views: 68114, on Feb 7, 2013 3:18:01 PM

0 votes

Is there an FAQ for the Paessler Knowledge Base?

important knowledge-base meta paessler

By Dirk Paessler [Founder Paessler AG] (11,025) ●3 ●6
Views: 322622, on Jan 26, 2010 5:11:33 PM