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

Monitor Web sites visited

packet-sniffer web-sites web-traffic

Views: 10225, on Dec 20, 2011 2:53:23 AM

0 votes
2 replies

Active Directory Problems

active-directory credentials ldap login

Views: 10223, on Oct 4, 2013 12:20:39 AM

0 votes
14 replies

Is it possible to run PRTG behind an nginx reverse proxy?

nginx prtg reverse-proxy

Views: 10221, on Jan 14, 2016 1:24:48 AM

0 votes
16 replies

Are there any plans to release an Android app?

android app notifications prtg

Views: 10196, on May 12, 2010 12:54:19 PM

0 votes
7 replies

How do I identify each router that sends netflow data

netflow prtg prtg-network-monitor tcp xflow

Views: 10182, on Mar 23, 2010 4:01:49 AM

0 votes
5 replies

PRTG triggers warning every 10 to 15 mins

snmp snmp-traffic warning

Views: 10179, on Dec 14, 2015 7:04:58 AM

1 vote
2 replies

Delete Sensor Types from devices

delete management sensor

Views: 10174, on Oct 4, 2012 9:09:24 PM

0 votes
1 reply

How can I secure the PRTG core server–related information stored in the Windows registry?

access-rights administrator prtg registry security

Views: 10166, on Nov 21, 2019 8:22:20 AM

0 votes
12 replies

Monitor Shadow Copies age

age shadow-copy windows

Views: 10163, on Jun 22, 2015 1:37:23 PM

0 votes
5 replies

Can PRTG communicate with MODBUSS or bacnet devices?

bacnet modbus serial

Views: 10150, on Jul 12, 2012 2:56:18 PM

0 votes
1 reply

Adding a Sensor from a Netgear Switch

netgear sensor snmp

Views: 10147, on Jan 30, 2012 7:56:45 PM

0 votes
1 reply

Installing multiple PRTG servers on same site

license prtg software

Views: 10146, on Mar 22, 2010 12:25:14 PM

0 votes
1 reply

Unable to establish connection

prtg9 sensor wmi

Views: 10146, on Feb 7, 2012 5:16:07 PM

0 votes
1 reply

NTML authentication doesn’t work. What can I do?

apache authentication linux ntml prtg unix webserver windows-7

By Gerald Schoch [Paessler Support]
Views: 10139, on Aug 6, 2013 2:09:08 PM

0 votes
1 reply

Thread creation error: Not enough storage is available to process this command

error error-messages probe probes threads

Views: 10137, on Mar 6, 2015 2:56:31 PM