Prtg Network Monitor 21.0.x
(Description: Core server with two failover nodes, three remote probes – one on-prem, one in AWS, one in Azure, all communicating via TLS 1.2.)
Future versions (22.x, 23.x) would need to introduce native containerization and distributed database support to remain competitive with newer tools like Zabbix 6.0 or Checkmk.
Version 21.0.x replaced legacy iframes with a modern AJAX dashboard. Improvements:
During 2021, Paessler delivered several stable releases that introduced , improved existing monitoring capabilities, added experimental features (beta sensors), and laid the foundation for a completely redesigned user interface and RESTful API . The overarching goal was to make PRTG more scalable, easier to automate, and more adaptable to modern IT environments. [25†L12-L13][27†L4-L8] prtg network monitor 21.0.x
Which do you need to monitor (e.g., VMware, Cisco, AWS, Windows)?
PRTG 21.0.x offers three ways to interact with your data, all optimized during this release cycle:
Detailed sensors for Teams, SharePoint, and Exchange Online. (Description: Core server with two failover nodes, three
PRTG can scan your network segments and automatically create sensors for discovered devices. This saves hours of manual configuration.
Data Collection, Retention, and Storage
Recognizing the need for comprehensive hardware monitoring, the was introduced. This sensor provides deeper insights into printing infrastructure, including: Total Pages Printed: Accurate tracking of usage. Cover Status: Real-time alerting for open printer covers. Tray Status: Monitoring paper tray levels. Supply Status: Tracking toner and ink levels. The overarching goal was to make PRTG more
The 21.0.x series was built on the mantra of "Evolution, not Revolution." While it retains the intuitive "treemap" layout that users love, several under-the-hood improvements make it a powerhouse. 1. Enhanced Security Protocols
The 2021 releases added , spanning cloud, storage, industrial, and data‑center monitoring. Key examples include: