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
2 replies

How can I monitor email round trip when I can't use PRTG to check the destination mailbox

email imap mail-flow pop3 prtg round-trip smtp

Views: 10303, on Apr 7, 2010 11:43:36 PM

0 votes
5 replies

reports of used disk space

prtg reports used-space

Views: 10292, on Mar 10, 2010 4:07:30 PM

0 votes
2 replies

filter_status table

filter prtg sensor

Views: 10289, on Sep 12, 2013 5:17:38 PM

0 votes
4 replies

PRTG monitors ESXi hosts direct with SOAP and monitors ESXi hosts through Vcenter Server by using WM

vcenter vmare-soap wmi

Views: 10284, on Dec 8, 2016 7:56:26 AM

1 vote
1 reply

What's the best way to use notifications in PRTG's Libraries?

best-practice cpu disk-space help libraries library notfications prtg threshold

By Daniel Zobel [Product Manager]
Views: 10282, on Feb 22, 2013 12:22:51 PM

0 votes
3 replies

snmp Memory usage - difference between virtual memory and physical memory ?

memory physical-memory snmp snmp-sensor usage virtual-memory

Views: 10279, on May 4, 2017 8:36:42 AM

0 votes
2 replies

code: PE132

powershell remote-powershell sql

Views: 10274, on Jan 29, 2015 8:34:57 AM

0 votes
1 reply

I don't want alarms about "unusual" sensor status

alarms alarmstate prtg unusual

Views: 10269, on Apr 21, 2010 9:36:52 AM

0 votes
1 reply

How to distinct Cisco Switch Ports (connected/notconnected/disabled)

cisco oid switch

Views: 10268, on Sep 17, 2010 11:31:28 AM

0 votes
10 replies

No Response (-1) (code: PE105)

http prtg sensor

Views: 10259, on Jul 25, 2011 8:51:52 PM

0 votes
13 replies

PTRG to WatchDog 15

humidity script snmp temperature watchdog

Views: 10259, on Mar 6, 2014 7:59:27 PM

0 votes
1 reply

how do I setup PRTG to monitor my router

bandwidth router setup

Views: 10255, on Apr 22, 2012 3:57:48 PM

0 votes
1 reply

SQL 2008 Replication monitoring

replication snmp sql

Views: 10238, on Aug 4, 2011 5:17:03 PM

0 votes
24 replies

Total user count RDS Windows 2016

custom-sensor mx-records powershell prtg

Views: 10235, on Jan 8, 2019 1:20:27 PM

0 votes
6 replies

Monitor Azure with PRTG?

azure custom-sensor prtg

Views: 10229, on Apr 18, 2012 12:53:56 PM