Knowledge Base

After updating to PRTG 25.1.104, the PRTG core server does not start anymore, and the log contains the following message: Signature of \Program Files(x86)\PRTG Network Monitor\32 bit\PRTG Server.exe is not valid What can I do to resolve the iss...

This article applies as of PRTG 25 PRTG installation assistance We have gathered some of the most useful resources when it comes to installing PRTG Network Monitor. If Planning Knowledge Base Planning large installations of PRTG Network Mon...

I'm getting a "Not licensed" or "Paused (exceeds license limitation of x sensors)" message for a number of sensors I added to the configuration. However, I have not reached the sensor limit for my license. How do I...

Hi, I used the Mikrotik MIB download from Mikrotik.com. I then downloaded your MIB importer, which works really well. I saved the new exported file into the \snmplibs folder. It shows up when i use SNMP Library as a new sensor. Great. Now the ...

Important: The multi-platform probe is now stable! This article is deprecated and will no longer be updated. For the multi-platform probe release notes, see the Knowledge Base: What are the release notes for the multi-platform probe?  See the M...

My Amazon sensors show the error message: You are not authorized to perform this operation.  This article applies as of PRTG 22 Setting permissions for the AWS API key There are several sensors with which you can monitor single Amazon web serv...

This article applies as of PRTG 20 I would like to know more about the clustering feature of PRTG. Can you give me an introduction and some basic information about clustering?  Cluster basics One very helpful feature of PRTG is the cluster. A...

Important notice: The information in this article is outdated. Mini probes are deprecated as the OpenSSL version required to run them is out of support. You can no longer install new mini probes. Can PRTG monitor Android devices to gather s...

Important notice: The information in this article is outdated. Mini probes are deprecated as the OpenSSL version required to run them is out of support. You can no longer install new mini probes. The mini probe on Android device can't...

Important:The multi-platform probe is now stable! As such, we released the Multi-Platform Probe for PRTG manual. This article is deprecated and will no longer be updated. For the multi-platform probe release notes, see the Knowledge Base: Mul...