Knowledge Base

Where can I find the original GID to reconnect a freshly installed PRTG probe to its server after a hard drive failure? Is it stored on the server?  The GID of a Probe is stored in the configuration file "PRTG Configuration.dat" on t...

This article applies as of PRTG 14 We need to move a remote probe in PRTG Network Monitor from an old server to a new server while retaining all sensors and historical data. How can we do this, and what are the procedures? Moving a Probe ...

We are in the need to migrate One of our Remote Probes to a Server 2012 R2, we are currently running this remote on Windows 2008 R2. Our Core probe is also running in Windows 2008 R2, we are running version 13. Is this change in the configurati...

When I try to install PRTG on my system which runs the Anti Virus scanner from Avira (Antivir, Antivirus or Internet Security), I get a warning concerning paesslerdbsensorssda40.dll or other files. What can I do about this? This article app...

Is there a recommended approach to find the problems which cause errors with WMI sensors? Can you provide a troubleshooting guide how to solve these WMI issues to get my WMI sensors working? This article applies as of PRTG Network Monitor 13 M...

Keep up-to-date with the latest release notes from the PRTG Data Exporter, a PRTG product extension. PRTG Data Exporter release notes For more information about PRTG Data Exporter, see the PRTG Data Exporter manual. August 14, 2025 - PRTG...

Important notice: We strongly recommend to only use the multi-platform probe with as of PRTG 24.1.93 Preview and later versions. Multi-platform probe release notes For more information about the multi-platform probe, see the Multi-Platform P...

I want to install the multi-platform probe, but I don't know which version I need to install in order for it to work with my PRTG version. This article applies as of PRTG 25 Multi-platform probe compatibility The multi-platform probe vers...

This article applies as of PRTG 25.4.112 The REST Custom v2 sensor now supports session-based authentication. Use session-based authentication for REST APIs that require a login to retrieve a session token or cookie before making further re...

This article applies as of PRTG 25 The new UI and API v2 of PRTG With PRTG 21.4.73 we introduced the first version of the new UI and API v2. The goal is to release a state-of-the-art web interface and RESTful API. In this article, you can find...