What is this?

This knowledgebase contains questions and answers about PRTG Network Monitor and network monitoring in general.

Learn more

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.

Free Download

Top Tags


View all Tags

Knowledge Base overview

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

0 votes
1 reply

Suddenly can't access PRTG's web-interface anymore

access localhost remote web-interface webserver

By Luciano Lingnau [Paessler]
Views: 22804, on Jul 14, 2015 6:34:42 AM

0 votes
13 replies

What is the PRTG Cloud Bot?

cloud cloud-http cloud-ping cloudbot prtg prtg-cloud prtgcloudbot

By Gerald Schoch [Paessler Support]
Views: 22771, on Aug 10, 2015 2:29:24 PM

0 votes
6 replies

Monitor Temperature Dell PE R710

snmp temperature temperature-sensor

Views: 22648, on Oct 11, 2012 12:52:32 PM

0 votes
3 replies

HTTP/1.1 403 Forbidden

http http-sensor wmi

Views: 22612, on Feb 24, 2012 10:29:42 AM

0 votes
4 replies

Running out of diskspace, what can I do?

archive grapher space traffic

Views: 22603, on May 27, 2010 6:41:01 AM

0 votes
1 reply

Monitor HP toner level snmp

hp monitor snmp

Views: 22534, on Apr 5, 2012 12:54:17 PM

1 vote
5 replies

Monitor logged in Windows User

logged-in prtg user windows

Views: 22531, on Jul 27, 2010 2:39:32 PM

1 vote
24 replies

How can I use PRTG to trace the route to a target?

custom-script-exe custom-sensor exe-script-sensor hops ip prtg traceroute tracert

By Arne Seifert [Paessler Support]
Views: 22455, on Nov 14, 2014 12:44:19 PM

0 votes
16 replies

FRITZ!Box Sensor shows 401

401 error fritzbox

Views: 22384, on Feb 14, 2014 8:47:49 PM

0 votes
1 reply

The interface numbers on my switch keep changing. What can I do?

cisco ifindex ifindex-persist interface persistance prtg router snmp snmp-compatibility switch

By Gerald Schoch [Paessler Support]
Views: 22368, on Nov 17, 2014 4:46:08 PM

0 votes
5 replies

HTTP Data Advanced - JSON response formatting

api custom-sensor http-data-advanced json xml

Views: 22279, on Sep 28, 2015 4:20:49 PM

0 votes
34 replies

Aggregated reports from Netflow top list with PRTG

netflow prtg report top-list

Views: 22233, on Mar 6, 2010 3:01:27 PM

0 votes
2 replies

Where can I find more information about PowerShell sensors?

exchange exchange-powershell manual-remarks powershell prtg remote-powershell

By Gerald Schoch [Paessler Support]
Views: 22225, on Dec 4, 2014 1:00:39 PM

0 votes
1 reply

How can I monitor error tables in SQL databases?

database database-error database-health prtg sql sql-query sql-v2

By Gerald Schoch [Paessler Support]
Views: 22217, on Aug 11, 2016 12:34:31 PM

0 votes
66 replies

Is there any way to see what users are logged into PRTG?

active prtg users

By Stephan Linke [Paessler Support]
Views: 22212, on Sep 16, 2016 10:36:55 AM