The fundamental unit of monitoring. A sensor monitors a specific aspect of a device (e.g., CPU usage, HTTP traffic, or ping time). Core Capabilities of PRTG 21.0.x
The Core Server handles data storage, configuration management, notification routing, and hosts the web interface. PRTG uses a proprietary, high-performance database optimized for time-series monitoring data, removing the need to manage external SQL databases. Remote Probes
Comprehensive Guide to PRTG Network Monitor 21.0.x: Features, Benefits, and Best Practices prtg network monitor 21.0.x
Your (On-premises, cloud, or hybrid)
Before upgrading:
Detailed reports are easily generated to demonstrate uptime and performance to management.
We tested PRTG on a Dell PowerEdge R740 (2x Xeon Gold 5220, 64 GB RAM, 4x NVMe RAID-10) running Windows Server 2019: The fundamental unit of monitoring
The 21.0.x branch provides out-of-the-box templates and sensors for hybrid infrastructures:
: These are the "working" components that perform actual data collection. Local Probe : Included by default on the core server. Remote Probes Local Probe : Included by default on the core server
PRTG 21.0.x converts raw monitoring metrics into actionable alerts, reducing the time it takes to detect and fix network issues. Alert States Sensors operate under a clear state hierarchy: Operating within normal parameters.
| Feature | PRTG 20.x | PRTG 21.0.x | |---------|-----------|--------------| | Max cluster nodes | 2 | 4 | | Auto-failover time | ~60 sec | ~30 sec | | Config sync method | Manual/Scheduled | Automatic delta sync |