Knowledge Base

This article applies as of PRTG 22 I want to get ping sensor, that will only collect information about the availability of a device and will not change its own state. Is this possible? A sensor always indicates the current status of a device f...

I recently installed several Ubiquiti UniFi devices on my network. I have a UniFi Security Gateway (USG), two UniFi AP AC PRO wireless access points, and a UniFi Cloud Key. How can I monitor these devices with PRTG? This article applies t...

how to get version of prtg Article Comments Hello Reuven, Thank you for your message. Can you please describe what you need exactly? Are you looking for a specific version of PRTG? In this case, if you already have PRTG installed you can...

I thought I should give back to the forum/community which has helped me a lot over the years. I've seen a lot of people writing PowerShell which builds text manually for JSON output. That's really fraught with danger in lots of ways. Th...

This article applies as of PRTG 23 This can be done in the device/group settings, in the channel unit settings area. All objects beneath the changed one inherit that setting by default. Note that you may have to recreate the sensors in order ...

I would like to use PRTG. However, we can only install it on a virtual machine. Can I use Linux OS in the virtual machine to run the PRTG? This article applies as of PRTG 25 PRTG on Linux It is currently not possible to install a PRT...

I have an installation of PRTG that I want to migrate to a different system or server. What do I have to do and how can I keep my data files and settings? Or What's the best way to migrate PRTG from an XP workstation to a new Windows 2...

This article applies to our products, such as PRTG Network Monitor and PRTG Enterprise Monitor.  If you receive a License not found error message in PRTG, it is most likely one of the following:  1.  An error in the entered license key. It...

This article applies to PRTG 16.4.28 or later Sensors Showing "Not Licensed" Message PRTG Network Monitor is licensed on a 'per sensor' basis, meaning that the license does not limit monitoring to a number of devices. Due t...

Update: The SNMP Linux Meminfo v2 sensor is available as of PRTG 25.2.108. The channels better align with how free and available memory is calculated in Linux as accounts for buffered and cached memory as well. I just installed an SNMP Linux M...