represents a major milestone in Paessler’s evolution toward unified infrastructure observability. Released across 2021, the 21.0.x generation shifted the platform from a strict "local network tracker" into a flexible hybrid monitoring engine. This architecture accommodates modern IT landscapes by tying together local hardware, cloud assets, and distributed remote offices under one dashboard.
Network uptime is the backbone of business operations. IT infrastructures grow more complex every day, blending on-premises hardware, cloud instances, and IoT devices. Monitoring these environments requires a tool that is both powerful and easy to deploy. prtg network monitor 21.0.x
: Major versions in this cycle included 21.3.69 (July 2021), 21.3.71 (September 2021), and 21.4.73 (December 2021). Network uptime is the backbone of business operations
Improved handling of SNMP v3 requests allowed for higher scalability and more simultaneous requests. Auto-discovery: : Major versions in this cycle included 21
Version 21.0.x ended support for Windows Server 2012 and 2012 R2. Upgrading from older PRTG versions on legacy OS would fail without an OS upgrade first.
Obtain the PRTG 21.0.x installer executable from the Paessler customer portal.