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
3 replies

Enterprise Console connection failure “error in content”: What can I do?

ec enterprise-console error-in-content prtg prtg-desktop update windows

By Daniel Zobel [Product Manager]
Views: 37556, on Jul 11, 2014 12:02:24 PM

0 votes
3 replies

Socket Error # 10061 Connection refused

hardware sensor vmware

Views: 37500, on Jan 28, 2011 4:25:26 PM

0 votes
2 replies

How do I reset my admin password?

admin login password prtg reset server-administrator

Views: 37467, on Mar 10, 2010 10:15:01 PM

0 votes
8 replies

Sensor randomly generates "80041017: The query was not syntactically valid." event.

80041017 sensors wmi

Views: 36974, on Sep 20, 2010 2:26:17 PM

0 votes
8 replies

PRTG Enterprise console shows 'Not connected (Connection refused)' error

connection prtg windows-2003

Views: 36961, on Mar 19, 2012 3:18:46 PM

0 votes
6 replies

Which format for syslog messages?

format message syslog

Views: 36769, on Feb 27, 2014 1:26:09 PM

0 votes
1 reply

How can I configure the WinHTTP proxy settings for the SSL Certificate sensor?

certificate proxy prtg ssl ssl-certificate winhttp

Views: 36662, on Jul 17, 2019 6:19:39 AM

0 votes
3 replies

What does "Warning in Revoked: 'Unable to check revocation status'" mean?

certificate ssl sslcertificate

Views: 36535, on Jan 22, 2016 8:26:06 AM

0 votes
2 replies

800706BA: RPC Server Is Unavailable

800706ba availability rpc-server sensor windows

Views: 36481, on May 18, 2015 8:46:47 AM

1 vote
10 replies

Monitoring SSL Certificates with PRTG

custom-sensor expire prtg sensor ssl wishlist

Views: 36391, on Jul 20, 2010 8:07:47 AM

0 votes
10 replies

80041010: The specified class is not valid

cpu-load prtg7 wmi

Views: 36314, on May 16, 2012 7:42:14 AM

0 votes
25 replies

Windows Server Backup Event Log Sensor

backup custom eventlog windows wmi

Views: 36018, on Dec 9, 2011 12:01:05 PM

0 votes
8 replies

Is it possible to customize the dashboards?

dashboard prtg web-gui

Views: 36012, on Jun 23, 2011 1:23:22 PM

0 votes
2 replies

Monitoring VMware ESXi 5.5 does not work. What can I do?

error esxi prtg vmware vsphere windows-2003 windows-server-2003 windows-xp

By Gerald Schoch [Paessler Support]
Views: 35976, on Oct 8, 2013 12:39:28 PM

0 votes
3 replies

RDP error 10060 connection timed out socket error

dns prtg9 rdp socket-error-#10060

Views: 35926, on Jul 5, 2012 11:47:57 AM