+---------------------------------------+ | PRTG Core Server | | (Data Storage, Web Server, Engine) | +-------------------+-------------------+ | +------------------------+------------------------+ | | +-----------+-----------+ +-----------+-----------+ | Local Probe | | Remote Probe 1 | | (Monitors Local LAN) | | (Monitors Remote Branch| +-----------+-----------+ +-----------+-----------+ | | +-------+-------+ +-------+-------+ | Local Devices | | Remote Devices| +---------------+ +---------------+ The Core Server and Probes
The operational components that actually perform the monitoring tasks.
Monitoring traffic on a 24-port switch requires (one for each port). 2. Core Features and Enhancements in PRTG 21.0.x
For the series, this experimental capability was not yet available; it debuted with 21.1.65 . However, the introduction of beta sensors marked a significant shift in how Paessler delivered new features, and it paved the way for more rapid innovation in later versions. prtg network monitor 21.0.x
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Not every sensor needs to run every 60 seconds. Move non-critical sensors, such as disk space checks or printer ink levels, to 1-hour or 12-hour intervals.
: Can be installed on separate machines to monitor remote locations or systems behind firewalls. Key Performance Capabilities Flexible Monitoring Protocols Core Features and Enhancements in PRTG 21
In addition, the was introduced as an experimental sensor in PRTG version 21.2.68.1492 . It later left beta status to become a fully supported sensor, enabling PRTG to query JSON/XML REST APIs and map the results directly to monitoring channels. [19†L34-L42]
: Provides a single pane of glass through custom dashboards, predefined maps, and a native desktop app.
Windows 10, Windows 11, or Windows Server 2012 R2/2016/2019/2022 Officially supported browsers like Chrome, Firefox, or Edge Installation and Initial Setup Not every sensor needs to run every 60 seconds
The 21.0.x release cycle focused heavily on internal modernization, transitioning legacy codebases to more secure, modern web standards while refining core monitoring performance. 1. Centralized Core Server and Local Probes
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Overall, PRTG has established itself as a strong and reliable competitor. With over relying on it daily, user reviews often give it high marks, with an average overall rating of around 4.6/5 on platforms like GetApp and Software Advice. Users consistently praise its quick and easy setup, good visualization, performance, and accurate monitoring, though some note the initial interface can be a little odd.