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For which sensor types do you recommend Windows Server 2012 R2 or later and why?

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In the system requirements for PRTG, you recommend Windows Server 2012 R2 or later on the computer running the PRTG probe for best performance of some sensor types. For which sensor types does this recommendation apply? Why is it better to use Windows Server 2012 R2 or later for these sensors instead of other operating systems?

exe-script-sensor http-request performance prtg system-requirements vmware windows-2012-r2

Created on May 5, 2015 1:27:27 PM by  Gerald Schoch [Paessler Support]

Last change on Jul 11, 2019 12:45:14 PM by  Maike Behnsen [Paessler Support]



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This article applies to PRTG Network Monitor 19 or later

Recommended Operating System: Windows Server 2012 R2 or Later

As you can see in section Supported Operating Systems of the detailed system requirements for PRTG, we recommend that you use Windows Server 2012 R2 or later on the computer running the PRTG probe: This is either on the local system or on the system running a remote probe. Windows Server 2012 R2 provides best performance for various sensor types.

This recommendation especially holds for all sensors that execute HTTP web requests via a script. We found out that the performance of these sensors is better by a factor around 10 on Windows Server 2012 R2 or later than on Windows Server 2008 R2.

For example, this affects all VMware sensors using SOAP (Simple Object Access Protocol): the VMware Datastore (SOAP) sensor, the VMware Host Hardware Status (SOAP) sensor, the VMware Host Performance (SOAP) sensor, and the VMware Virtual Machine (SOAP) sensor.

You can monitor

  • up to 300 VMware sensors with a 60-second scanning interval if your PRTG server (or remote probe) runs on Windows 2012 R2 or later,
  • but only 30 VMware sensors with a 60-second scanning interval if your PRTG server (or remote probe) runs on Windows 2008 R2.

For details about the performance of VMware sensors, see How can I increase the connection limit on VMware systems? PE121.

Other sensor types that show an increase in performance by a factor of 10 are, for example,

Also keep this performance improvement in mind when creating your own custom sensors, for example, an EXE/Script sensor, and when your custom script performs such a request.

If possible, set up the PRTG server and/or remote probes on Windows Server 2012 R2 or later if you frequently use the mentioned sensor types.

Created on May 5, 2015 1:31:53 PM by  Gerald Schoch [Paessler Support]

Last change on Aug 5, 2019 5:48:37 AM by  Maike Behnsen [Paessler Support]



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Disclaimer: The information in the Paessler Knowledge Base comes without warranty of any kind. Use at your own risk. Before applying any instructions please exercise proper system administrator housekeeping. You must make sure that a proper backup of all your data is available.