Paessler FAQ

Answers to your most common questions about Paessler.

Quick, simple, and helpful information at a glance.

What is PRTG Network Monitor?
PRTG Network Monitor is a comprehensive network monitoring software that helps users track and manage their network devices, bandwidth usage, and performance.
What operating systems does PRTG Network Monitor support?
PRTG Network Monitor supports Windows and Linux operating systems.
How do I install PRTG Network Monitor?
You can install PRTG Network Monitor by downloading the installation file from the Paessler website and following the installation wizard.
I am getting an error message when trying to install PRTG Network Monitor, what should I do?
First, make sure that you have met the system requirements and that your computer has internet access. If the problem persists, try downloading the installation file again or contact Paessler support for assistance.
What are the system requirements for PRTG Network Monitor?
The system requirements vary depending on the size of your network. Please refer to the official PRTG Network Monitor manual for the recommended specifications.
Can I use PRTG Network Monitor on a virtual machine?
Yes, PRTG Network Monitor can be installed on a virtual machine as long as it meets the necessary system requirements.
How do I add devices to monitor in PRTG Network Monitor?
You can add devices to monitor by using the auto-discovery feature, importing a device list, or manually adding them in the PRTG web interface.
I am getting an error message stating "Access Violation at address...". What does this mean?
This error usually occurs when PRTG Network Monitor is trying to access a memory address that is not valid. Try restarting the PRTG core server and check if the error persists. If it does, contact Paessler support for further assistance.
Can I monitor devices in different time zones with PRTG Network Monitor?
Yes, PRTG Network Monitor supports monitoring devices in different time zones. You can set the time zone for each device individually.
What is a sensor in PRTG Network Monitor?
A sensor is a small software module that monitors a specific aspect of a device or system. For example, the Ping sensor monitors the availability of a device by sending a ping request.
I am getting a "Connection Refused" error for a sensor. What does this mean?
This error indicates that PRTG Network Monitor was unable to establish a connection with the device or service being monitored. Check if the device is online and if the necessary ports are open. If the problem persists, contact Paessler support for assistance.
Can I create my own custom sensors in PRTG Network Monitor?
Yes, you can create custom sensors using the PRTG API or by using scripts in various programming languages.
I am getting a "Not in contact" error for a sensor. What should I do?
This error means that PRTG Network Monitor was not able to reach the device or service being monitored. Check if the device is properly configured and if there are any firewall or network restrictions that could be blocking the communication. If the issue persists, contact Paessler support for assistance.
How do I receive notifications from PRTG Network Monitor?
You can receive notifications through email, SMS, push notifications, or by executing a script.
Can I schedule maintenance windows in PRTG Network Monitor?
Yes, you can schedule maintenance windows to temporarily suspend sensors or notifications during specific periods.
What is a map in PRTG Network Monitor?
A map is a visual representation of your network and devices being monitored. You can use maps to get an overview of your network and its status.
Can I customize the dashboard in PRTG Network Monitor?
Yes, you can customize the layout and content of your dashboard to display the information and sensors that are most relevant to you.
How can I troubleshoot network issues using PRTG Network Monitor?
You can troubleshoot network issues by using various tools and features in PRTG Network Monitor, such as the Ping and Traceroute sensors, the dashboard, and logs.
What is a cluster in PRTG Network Monitor?
A cluster is a group of PRTG Network Monitor servers that work together to share the monitoring load and provide high availability for large networks.
How do I upgrade PRTG Network Monitor to a newer version?
You can upgrade PRTG Network Monitor by downloading the new version from the Paessler website and running the installer.
I am getting a "Certificate check failed" error for a sensor. What does this mean?
This error means that the digital certificate of the device being monitored could not be verified. Check if the certificate is valid and if the system time on both devices is synchronized. If the problem persists, contact Paessler support for assistance.
Can I monitor services and applications using PRTG Network Monitor?
Yes, PRTG Network Monitor supports monitoring various services and applications such as SQL databases, web servers, and email servers.
How can I view historical data in PRTG Network Monitor?
You can view historical data by using the graphs and tables in the PRTG web interface.
What is the auto-discovery feature in PRTG Network Monitor?
The auto-discovery feature scans your network and automatically adds devices and sensors to monitor.
How do I troubleshoot email notification issues in PRTG Network Monitor?
Check if your email server settings in PRTG are correct, if the email account is functional, and if the email is being sent to the correct address. If the issue persists, check your spam folder or contact Paessler support for assistance.
Can I monitor a network without installing PRTG Network Monitor locally?
Yes, you can use PRTG Hosted Monitor to monitor devices and networks remotely without installing PRTG locally.
How can I monitor bandwidth usage with PRTG Network Monitor?
You can monitor bandwidth usage by using the PRTG Flow Monitor, SNMP sensors, or NetFlow/sFlow sensors.
What is the difference between PRTG Network Monitor and PRTG Remote Probe?
PRTG Network Monitor is the main software that allows you to monitor devices and sensors, while PRTG Remote Probe is an additional tool that allows you to monitor devices that are not directly accessible by the PRTG server.