How to Plan Your PRTG Probe Sizing for Azure Sensor Pack Deployment

The Azure Sensor Pack is a powerful software for monitoring Microsoft Azure resources. Thanks to our native Auto-Discovery and Monitoring Automation, it can quickly onboard thousands of Azure resources to the PRTG monitoring system. 


In cases of large Azure subscriptions with hundreds or even thousands resources, it is advisable to plan ahead and setup the hardware of your PRTG probe. Below are some sizing considerations for monitoring 2000 Azure resources. We strongly recommend to have a dedicated PRTG Probe with enough memory and CPU power as listed below:


  • Supported infrastructure: VMware (6.x), AWS, Azure, Physical server,

  • Operating system: Windows 2012R2, 2016 Server or 2019 Server,

  • CPU: 8 cores or higher,

  • Memory: 16GB,

  • Disk: 50GB

Install the PRTG Probe software compatible with your PRTG Core version


Follow the Azure Sensor Pack deployment guide to deploy the latest version of the Azure Sensor Pack (3.30 as of writing this blog).


Edit the Azure sensor pack INI file via a text editor such as Notepad++. The file is located at EXEXML/AutoMonX/Azure/Automonx_AzureSensor.ini

Modify the following parameters:

  • THREAD_NUMBER=8

  • PREDATA_VALID_SEC=600

  • SERVICE_RESTART_MIN=720




Important: The thread number should be equal to the number of CPUs (e.g., 2 sockets with 2 cores each = 4 threads).


Modify your settings as needed and restart the AutoMonX Azure Sensor service.


Follow up on the memory consumption and the overall CPU usage.


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Requesting a License

In order to request a license for any of the AutoMonX products, it is required to send us the PRTG Probe host name and IP address. You need to run the LicDetailsLocator.exe utility on the PRTG probe y

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