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

Request timed out (ICMP error # 11010)

icmp prtg snmp-sensor

Views: 17804, on Oct 9, 2013 8:27:37 AM

0 votes
5 replies

How can I monitor Android devices? Is there a mobile probe?

android android-probe mini-probe mobile-probe proof-of-concept prtg

By Gerald Schoch [Paessler Support]
Views: 17787, on Aug 13, 2014 2:44:57 PM

1 vote
11 replies

Turn off Ticket Notification Email?

email-messages notifications ticket-system

Views: 17772, on Feb 11, 2014 7:08:51 PM

0 votes
3 replies

Modify Sensor Warning/Error Levels

error sensor warning

Views: 17772, on Jan 20, 2012 3:09:07 PM

0 votes
4 replies

Where should powershell.exe be ?

location not-found powershell prtg

Views: 17754, on Jun 3, 2010 1:03:06 PM

1 vote
3 replies

How can I monitor "FlexLM-Lizenzdienste"

flexlm licenseserver prtg

Views: 17691, on Mar 16, 2010 1:22:48 PM

0 votes
5 replies

How to make PRTG accessible by providing username and password in the URL?

password prtg url user username

Views: 17684, on Jul 15, 2010 1:22:49 AM

0 votes
1 reply

My HTTP sensors could not create an SSL secure channel and are down. What can I do?

error error-messages http http-sensor http-ssl-certificate-expiry http-xml https prtg ssl

By Gerald Schoch [Paessler Support]
Views: 17637, on Jul 28, 2014 3:59:42 PM

0 votes
4 replies

How can I send messages from PRTG directly to Twitter?

custom-notification google-code howto http-request messages notifications prtg twitter

By Daniel Zobel [Product Manager]
Views: 17636, on Feb 2, 2010 2:03:57 PM

0 votes
7 replies

SNMP disk space wrong

diskspace prtg snmp

Views: 17622, on Mar 17, 2014 9:47:03 AM

0 votes
4 replies

Why does PRTG write error messages into my SonicWall log?

error-messages log-entries logs nsa prtg snmp sonicwall

By Gerald Schoch [Paessler Support]
Views: 17616, on Oct 30, 2014 1:31:30 PM

0 votes
13 replies

Can't use SNMP to monitor Dell server

prtg-network-monitor prtg13 snmp

Views: 17551, on Jul 31, 2013 9:49:30 AM

0 votes
12 replies

Monitoring Magenta Ink for HP OfficeJet Pro 8600

hp magenta snmp

Views: 17513, on Jan 26, 2013 4:42:42 PM

0 votes
6 replies

No such instance (SNMP error #223)

prtg snmp snmp-error#223

Views: 17492, on Apr 22, 2016 8:00:38 AM

0 votes
8 replies

How to inventory these unstable pings

ping prtg-traffic-grapher refresh-rate

Views: 17469, on Sep 3, 2015 2:31:03 PM