What is this?

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

Intuitive to Use. Easy to manage.
More than 500,000 users rely on Paessler PRTG every day. Find out how you can reduce cost, increase QoS and ease planning, as well.

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: 34247, 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: 501305, 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: 192834, 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: 242231, 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: 521531, 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: 145951, 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: 456778, 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: 33028, 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: 108731, 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: 8041, 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: 68557, 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: 15526, 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: 122996, 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: 68138, 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: 322643, on Jan 26, 2010 5:11:33 PM