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All license sizes are available as subscriptions. They differ by the number of sensors that you can add to your monitoring setup:
|
License name
|
Environment
size
|
Number of
sensors
|
Number of
devices
|
|
PRTG 500
|
Small
|
Up to 500
|
About 50
|
|
PRTG 1000
|
Small &
medium
|
Up to 1,000
|
About 100
|
|
PRTG 2500
|
Medium
|
Up to 2,500
|
About 250
|
|
PRTG 5000
|
Large
|
Up to 5,000
|
About 500
|
|
PRTG 10000
|
Very large**
|
Up to 10,000
|
About 1,000
|
|
|
** For very large environments, please also refer to our sizing recommendations. If you have more than 1,000 devices, check out Paessler PRTG Enterprise Monitor. Q. What is a sensor?
A In PRTG, sensors are the basic monitoring elements. One sensor usually monitors one measured value in your infrastructure, for example, the traffic of a switch port, the CPU load of a server, or the free space of a disk drive.
PRTG is a comprehensive network monitoring application for Windows-based systems. It is suitable for networks of all sizes and capable of LAN, WAN, WLAN, and VPN monitoring. You can also monitor physical or virtual web, mail, and file servers, Linux systems, Windows clients, routers, and much more.
PRTG monitors network availability and bandwidth usage, as well as various other network parameters such as quality of service, memory load, and CPU usage, even on remote machines. PRTG provides system administrators with live readings and periodical usage trends to optimize the efficiency, layout, and setup of leased lines, routers, firewalls, servers, and other network components.
The software monitors a network that uses Simple Network Management Protocol (SNMP), Windows Management Instrumentation (WMI), packet sniffer, Cisco NetFlow, IPFIX, sFlow, jFlow, and many other industry standard protocols. It runs on a Windows-based machine in your network for 24 hours a day. PRTG constantly records the network usage parameters and the availability of network systems. The recorded data is stored in an internal database for later analysis. 
System Requirements directly on x64 server hardware or in a properly configured virtual environment (for more information, see section Running PRTG in virtual environments). on Windows Server 2022, Windows Server 2019, Windows Server 2016, Windows 11, or Windows 10. - Note: .NET Framework 4.7.2 or later must be installed on the core server system. For new PRTG core server installations, we recommend .NET Framework 4.8
|
prtg Core server installation recommendations
|
Up to 500 sensors
|
Up to 1,000 sensors
|
Up to 2,500 sensors
|
Up to 5,000 sensors
|
Up to 10,000 sensors
|
|
CPU cores
|
4
|
6
|
8
|
8
|
10-12 *
|
|
RAM
|
4 GB
|
6 GB
|
8 GB
|
12 GB
|
16 GB
|
|
Disk space
|
100 GB
|
500 GB
|
750 GB
|
1,000 GB
|
1,500 GB
|
|
Concurrently active
administrator sessions
|
< 30
|
< 30
|
< 20
|
< 20
|
< 15
|
|
Number of remote probes
|
< 30
|
< 30
|
< 30
|
< 60
|
< 80
|
|
Virtualization
|
yes
|
yes
|
yes
|
yes
|
yes **
|
|
Cluster
|
yes
|
yes
|
yes
|
not recommended
|
no ***
|
|
Recommended license SIZE
|
PRTG 500
|
PRTG 1000
|
PRTG 2500
|
PRTG 5000
|
PRTG 10000
|
|
|
* If you use more than 10 CPU cores, you might need to apply a CPU-splitting configuration in the Windows registry. ** For more information, see section Running PRTG in virtual environments. *** Not officially supported: please contact the Paessler Presales team.
For more than 10,000 sensors: We recommend that you set up additional PRTG core server installations or contact the Paessler Presales team for more information on scaling with PRTG Enterprise Monitor.
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