First channel If you haven’t gotten that far, you can also just review the raw return value of the script. The sensor displayed incorrect results (0) or no values after migrating it to a new or different server or Windows version. What follows is an extremely bare-bones method of deploying a PRTG custom REST sensor using PrtgAPI with PowerShell. I know that I used to have that feeling, and I work with PRTG every day. The sensor executes it with every scanning interval. \Custom Sensors\EXE\, \Custom Sensors\EXEXML\. Feedback welcome! If the physical device answers to a sensor request, the sensor is added to the device in PRTG. -parameter1 -parameter2 Custom PRTG Sensor to monitor NoSpamProxy message flow This PowerShell script returns custom sensor data of a NoSpamProxy environment for the monitoring solution PRTG.By default the following channels are part of the probe: In/Out Success Total of inbound/outbound successfully delivered messages over the last X minutes Inbound Suc save. Second channel But there is a custom sensor that will run a PowerShell script. The execution policy configured on a host specifies which scripts can be executed on the Windows host. No scripts can directly be executed, only within an interactive session. The other option is to write a script or EXE which outputs the format you need and the values you need and that could work with a custom sensor. This knowledgebase contains questions and answers about PRTG Network The script will be executed on the Probe node, not on the server you’re monitoring. Brandy Greger [Paessler Support]. Example. Sort by. ●1 Owners. Stephan Linke [Paessler Support], Last change on Dec 4, 2020 2:05:53 PM by ●1. This “market capitalisation” sensor uses PRTG’s REST Custom Sensor to pull data from the API of a publicly accessible share price site, in this case IEX, with no credentials needed. PRTG then tries to discover the stored sensors on the device. How do I install this and what do I need to do to get it to work properly? Take an example at this Powershell code: Custom sensors can perform a number of monitoring … You can show the PowerShell help for a script as follows: It will show you a description of the script and which parameters are supported including their description. Stephan's suggestion sounds pefect, until you get under the hood. Stephan Linke [Paessler Support], Last change on May 31, 2019 6:13:58 AM by Guide for PowerShell-based Custom sensors report. But a Disk Used sensor would allow me to easily graph how fast our data is growing so that when I ask management for money for more storage I have a pretty graph to show why ;) Anyways, I have with (with some help from r/powershell ) a script that runs the calculations and spits out the data used in GB. For more information, see section Auto-Discovery. This indicates that either a command or function used by the script is not properly declared within the script or that it uses a cmdlet that is not available on the PRTG server. Remember that you can use placeholders here. Select the script you have just installed. Description. Utilizing a PowerShell Custom Sensor, combined with this script by Florian Rossmark, you can query data about disabled, expired or locked-out users directly from Active Directory and display it in PRTG. The sensor can show the following: One value returned by the executable file or script (in one channel only)Execution time Out-of-the-box, PRTG supports a pretty wide gamut of sensors and should be able to give you reasonably comprehensive monitoring of most network devices. The sensor can show the following: One value returned by the executable file or script (in one channel only) Execution time Because i found no needful Example of a PowerShell Example of a PRTG Advanced Custom Sensor and i dislike XML. Lets say you have one sensor pulling one value from SNMP - that sensor has ID 100 and your value is being stored into channel 0. The following custom sensor is available by default: sensor_example.py; This Python example script only returns fixed values in two channels to demonstrate the usage. Setting. powershell Some things to keep in mind when you’re troubleshooting a new sensor: %SystemRoot%\syswow64\WindowsPowerShell\v1.0\powershell.exe, c:\Program Files (x86)\PRTG Network Monitor\Custom Sensors\EXEXML\, (62) However, if you are unsure what kind of script you have, you have two options: The script is now installed. For example, you can write a PowerShell query that connects to the target device, retrieves the desired counters with the Get-Counter cmdlet, and reports them to PRTG as individual channels. , Error reading response: XML Parser mismatch: Wanted , got , C:\ProgramData\Paessler\PRTG Network Monitor\Logs (Sensors), all signed with Authenticode certificates, Method One: locate the”Windows PowerShell (x86)” shortcut in the start menu and set the execution policy there (. MSchwartz12 Do you ever feel when it is time to go and create a map in PRTG, you draw a blank? In upcoming post, I'll explain how to use the prtgshell PowerShell Module together with VMware / NetApp/ Active Directory/Citrix etc. The question is how to correctly use it. Stephan Linke [Paessler Support]. ●1. It’s absolutely possible to write scripts that remote into the monitored machine to perform some check or task, but if the check or task involves the monitored server contacting another server, you’re going to need to research. Typically, to generate a response with one channel the following XML is required < Prtg > < Result > < Channel >First Channel < Value >10 Generates a XML block for use with a PRTG Network Monitor Custom Sensor.DESCRIPTION Prtg serves as the root node for all responses given under all EXE/Script Advanced sensors in PRTG, generating the XML. Ensure that you’ve got it up and running and graphing data, and that you can reach the PRTG web GUI using your web browser. Then I created a new EXE/Script Advanced Sensor and selected xyz.ps1 as my Script. Enter the parameters. The EXE/Script Advanced sensor type expects the data to be returned in an XML format. 5.1. PRTG MANUAL. Minimum PowerShell version. Method Two: run this command to open a powershell prompt, and then set the execution policy using that prompt: The script doesn’t necessarily execute as you – it executes using either the scope of the PRTG service (be that on the probe or the core server) which you can of course change using the Windows Services tool, or as the user defined in the credentials for the device. There are only two options: If you already know the output type, simply copy the script to the corresponding directory. It will hinder PRTG from executing scripts, therefore you cannot use them. PRTG Manual: EXE/Script Sensor. Second sensor with ID 101 is pulling different SNMP value to channel 0. Writing PRTG custom sensors with powershell, explained in detail and step by step. Only scripts from a trusted author can be executed. This one tends to get overlooked. Make sure that the user has all necessary permissions to properly execute the sensor. You can then call the script as follows: Full information about all of these values is available in the, One of my colleagues at Lockstep, Brian Addicks, has put together, Additionally, there’s two things that go outside of the result channels: Text messages and Error states. Unless you’re an incredible, experienced professional programmer who writes perfectly bug-free and error-handled code, there’s a better-than-average chance that you’re going to write a script that eventually fails to return data as expected. This is the “minimum example” from the PRTG API Documentation: First channel 10 Second channel 20 I have also tried using the "-Scope LocalMachine" parameter and using both options for Security Context. You can change this to “Write EXE result to disk (Filename: “Result of Sensor [ID].txt”)” and then go watch. New comments cannot be posted and votes cannot be cast. And that’s it: you’ve got a custom sensor. Installation Options. Created on May 29, 2019 1:56:10 AM by Helpfully, PRTG will probably give you an error messages that give you absolutely no help in finding the cause: … or, it may just time out and report that no data was received. Choose if you want PRTG to run the script using the user account of the probe service or the account configured in the device. For the installation of PowerShell scripts in PRTG, follow these steps: The execution policy configured on a host specifies which scripts can be executed on the Windows host. PRTG executes the file on the local PRTG core server system using the account configured for the PRTG core server service (system is default). Guide for PowerShell-based custom sensors. Certain items are hard coded in this code (Auth and PRTGHost), please review before you run. There are a few settings that you cannot save into a device template, so PRTG sets them to default, for example: This is probably because of the user account that is configured in the probe service or device, depending on what you selected as security context. On your sensor settings page, there is an option titled “EXE Result” that is by default set to “Discard EXE result”. Also, if any of you have any custom PRTG sensors using powershell that you have created, I would love to see them, and see what other powershell based tips and tricks people are using in their PRTG based monitoring environments. I am getting the "Response not well formed ... cannot be loaded because the execution of scripts is disabled on this system" error even though I have tried setting the execution policy to RemoteSigned, Unrestricted, and Bypass on the system where the sensor is located (the probe system itself). in PRTG channels are the smallest "object" to store data in. To show you just some of the functionality that PrtgAPI provides, we decided to do a series of blog posts giving some examples of how you can use it. You can omit the parameters if you enter them in the correct order. Stephan Linke [Paessler Support], Last change on Dec 3, 2020 2:53:43 PM by \Custom Sensors\rest reduce cost, increase QoS and ease planning, as well. If the script entirely lacks documentation, simply open the script with a text editor and search for param. I have a PowerShell script either from the Knowledge Base, from Support, or from somewhere on the internet. This is the “minimum example” from the, This example returns two channels back to PRTG – one creatively called “First channel,” and the second called “Second channel.” Each of these channels contain a numeric value (which is what PRTG will graph). hide. Double-check that the downloaded script file is not. lordmilko Tags. This option is provided as part of the PRTG application programming interface (API). All we need to do is specify the API URL in the sensor configuration, and in this example PRTG retrieves the share information for Apple (company identifier AAPL): (0) I can log into the server and run the script from within a PowerShell process myself with no problems. console For the files to appear in this list, store the files into this subfolder ending in .bat, .cmd, .dll, .exe, .ps1, or .vbs. In addition to these required fields, each of result block can define the units that the data is returned as, state if the returned value is a counter, set the sensor to a warning state, and set defaults for displaying the data in the graphs or tables, upper and lower warning and error limits, as well as messages when limits are reached. This option is provided as part of the PRTG API. Kind regards, script To get beyond the data that the packaged sensors provide, you can roll-your-own custom sensors. Generates a XML block for use with a PRTG Network Monitor Custom Sensor.DESCRIPTION Prtg serves as the root node for all responses given under all EXE/Script Advanced sensors in PRTG, generating the XML. Most likely, the latter is the case. These are all custom made. share. It is beta, does not support smart URL lookups (sensor only reports locally). Myself and a couple of people are working on a custom PRTG sensor via power shell for our systems. jdbrouwer.github.io/ 1 comment. TypoProne With PRTG Sensor Factory Sensor you creat new (third) sensor which will have in its Channel definition following: You might want to check the REST Custom Sensor, as it allow you to properly evaluate XML/JSON into PRTGesque channels :) Or do you require assistance with that? Recently, I worked on PRTG to monitor a Direct Access infrastructure but there was no available sensor to check DirectAccess. This is not script that lives in a PRTG sensor, ... A good understand of Powershell and PRTG would be required to use this. In the spotlight with this post: LordMilko, a PRTG user who developed PrtgAPI, a C#/PowerShell library for managing PRTG. To create a new sensor based on this file, create a new Python Script Advanced sensor and choose the file from the Python Script list in the sensor settings. This thread is archived. The execution policy is not correctly configured on the host. I worked out an PowerShell Example of a PRTG Advanced Custom Sensor with use of JSON Hope this helps some one else to get a faster start on it. If you’re not already familiar with PRTG, I recommend that you find a spare machine someplace to. This sensor is designed to return the current number of connected users to and RDS (Remote Desktop Services) session. Add a new sensor. Channels are grouped in a sensor. As we are creating a custom sensor with a script, we ourselves can define what data is contained in the channel and how it is used. 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