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.

1 vote
7 replies

Custom Status Symbols on Map

custom maps prtg status-icons

Views: 15075, on Mar 22, 2010 2:20:21 PM

327 votes
0 replies

[LOOKING AT] Improve AD-Integration in PRTG (including SSO with AD or ADFS, 2FA)

2fa active-directory add-feature improve-prtg prtg-kbtracker

Views: 15015, on Nov 27, 2018 6:48:14 AM

0 votes
8 replies

Monitor RSS Feed

prtg rss rss-feed

Views: 15014, on Oct 2, 2013 2:46:31 PM

4 votes
7 replies

Probe and Group Organization

group organization probe prtg

Views: 14997, on May 19, 2010 5:48:44 AM

2 votes
3 replies

How to acknowledge all unusual sensor?

prtg unusual

Views: 14994, on Oct 7, 2011 3:13:36 PM

0 votes
4 replies

SSH sensor failed with open solaris. What can I do?

cbc cipher ctr opensolaris prtg sensor ssh

Views: 14987, on Dec 14, 2010 11:16:08 PM

0 votes
5 replies

Is there a way to move a sensor to another device?

device prtg sensor

Views: 14987, on Dec 7, 2010 10:37:28 PM

0 votes
1 reply

What connection settings are necessary for the QoS (Quality of Service) Round Trip sensor?

firewall qos rule settings udp

By Luciano Lingnau [Paessler]
Views: 14984, on Jul 21, 2015 8:32:25 AM

0 votes
4 replies

Custom lookup range

lookups range value

Views: 14911, on Jul 15, 2013 2:57:51 PM

3 votes
18 replies

cisco system health other sensor

cisco health sensor snmp system

Views: 14903, on Oct 14, 2019 6:02:21 AM

0 votes
1 reply

What does the sensor name "Error converting OID" mean when creating sensors using an OIDLIB in PRTG?

error mib oid oidlib sensor snmp

By Daniel Zobel [Product Manager]
Views: 14899, on Feb 11, 2010 2:59:35 PM

0 votes
3 replies

Monitoring LSI MegaRaid Controller in Windows 2012 Storage Server

disk-usage performance raid san-volume-controller

Views: 14840, on Jan 15, 2015 10:25:56 PM

0 votes
14 replies

I want a report of downtime only?

downtime reporting reports

Views: 14837, on Nov 10, 2010 2:37:50 PM

0 votes
6 replies

Custom sensors and multiple channels

channel channels custom-sensor multiple prtg

Views: 14824, on Jun 17, 2010 2:59:15 PM

0 votes
2 replies

SQL WMI doesn't work

error sql wmi

Views: 14814, on Mar 24, 2011 3:40:52 PM