Security and Access Control
These improvements directly benefited users, making the product more efficient for large deployments and mixed (IT/OT) environments. prtg network monitor 21.0.x
Best-tested versions optimized for live enterprise environments, released roughly every 8 weeks. This allowed users to test upcoming sensor types (e
Released in late 2021, this version was a landmark update that introduced the foundations of modern PRTG, bridging the gap between classic functionality and the next generation of network monitoring. For IT professionals managing on-premises, hybrid, or distributed networks, understanding PRTG 21.0.x is crucial, as its core innovations—particularly a redesigned interface and a modern API—continue to shape the platform today. This article provides a comprehensive guide to PRTG 21.0.x, covering its major innovations, installation, technical requirements, and how it fits into the larger monitoring landscape. For IT professionals managing on-premises
API and Integration
With (February 2021), Paessler introduced beta sensors as an “experimental features” setting. This allowed users to test upcoming sensor types (e.g., for HPE, Azure, Veeam, and OPC UA) in their own environments and provide feedback before general release. The feature was designed to give administrators early access to new functionality without compromising the stability of their core monitoring. [25†L22-L29][8†L4-L8]