The 21.0.x release cycle introduced several refinements aimed at security, administrative efficiency, and deeper technical insights. Advanced Protocol Support PRTG 21.0.x supports a vast array of protocols natively:
: Supports remote site monitoring through encrypted remote probes to manage global locations centrally. Version 21.0.x Specific Enhancements
PRTG natively supports Executable/Script sensors written in PowerShell, Python, VBScript, or Bash. These scripts run on the probe machine, query the target system, and return data to PRTG. To optimize performance:
Table 1: Cluster improvements
Better management of certificates for secure communication between the core server and remote probes.
Exclude the PRTG data directory ( C:\ProgramData\Paessler\PRTG Network Monitor ) from real-time antivirus scans.
Upon installation, the PRTG web interface launches automatically, initiating the configuration wizard: prtg network monitor 21.0.x
System Log: 21:45:02 Notification Triggered: "Packet Loss Warning" for Probe Device 'VFINANCE-DB-01'.
Occasionally, after a version upgrade or a target device firmware update, sensors may display a or "Active Sensor Mutant" error. This typically means the internal Object Identifier (OID) structure changed.
Single-page application design built on AJAX for real-time updates without page refreshes. The 21
While PRTG’s fundamental feature set remains consistent, version 21.0.x introduced several noteworthy improvements:
: Specific sensors for web server performance.