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How can PRTG get data for System Information tables?

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PRTG could not get information from a monitored device to show data in the according System Information table. The error message indicates that PRTG needs access to the devices via protocols like SNMP or WMI to display this data.

What can I do to show system information for all System Information tables?

error-messages prtg remote-registry snmp sysinfo system-information systeminfo wmi

Created on Jan 12, 2016 5:31:12 PM by  Gerald Schoch [Paessler Support]

Last change on Apr 15, 2016 12:03:24 PM by  Gerald Schoch [Paessler Support]



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This article applies to PRTG Network Monitor 16.x.24 or later

Getting Data for System Information Tables

To show data in the tables on the System Information tab of a device, PRTG requests the data on this device using protocols like Windows Management Instrumentation (WMI) and Simple Network Monitoring Protocol (SNMP), depending on the particular information request.

Basically this works with the same technologies as for sensors which you use for monitoring: you have to ensure the necessary protocols are enabled and work on the device for which you want to get system information.

Prerequisites for System Information Data

If you already monitor a device with WMI and SNMP sensors, it is most likely that PRTG will fill the tables on its System Information tab automatically without the need that you take action. Just open the System Information tab of a device and you will see the retrieved information for this device.

Fulfill the following requirements to show all available system information for a device. If you meet all the requirements, you will get the most out of this feature!

  • Provide valid credentials for the target system in the Device Settings or inherit the Windows and SNMP credentials from group or probe settings above in the device tree hierarchy.
  • Enable the Remote Registry Windows service on the target computer, for example, via services.msc, and set its start type to automatic. With this service enabled you get more information in the Software table.
  • Enable the Remote Procedure Call (RPC) Windows service on the target computer, for example, via services.msc and set its start type to a automatic.
  • Configure WMI on probe and target computer to get data for the system information tables Hardware, Software, Users, Services, and Processes. For more details about WMI, please the following articles:
  • Configure SNMP to get information for the System table from systems that do not run Windows. For more information about SNMP, please see the following articles:

You will also get information data if you do not fulfill all requirements (for example, if you configure only WMI but not SNMP). However, not all information will be available and some tables may remain empty.

To retrieve information for the Software table, PRTG uses Uninstall registry keys, so the displayed software might differ from the software which the Windows computer shows under Programs and Features. If the target device is the same machine on which the probe runs (local or remote), please do not use the DNS name as address of this device but localhost, 127.0.0.1 (IPv4), or ::1 (IPv6). Otherwise you may get an error in the Software table.

Note: The feature System Information is enabled by default. To retrieve the data, PRTG will automatically use Credentials for Windows Systems and Credentials for SNMP Devices as defined in the Device Settings or as inherited from a parent object like the Root group. Please consider this when you monitor devices outside the local network, especially when using SNMP v1 or v2c that do not provide encryption.


Error Messages for System Information

You may see one of the following messages if preconditions are not met. If you encounter an error message that is not listed below, please refer to the general introductions to WMI and SNMP.

(1) Please wait. Collecting system information…

A table will show this message until PRTG can provide the according data. This may take up to a few minutes, depending on the target system and the used technology (WMI takes longer than SNMP). Please be patient, usually the table will show system information soon.


(2) RPC Server not accessible. Port Error (Socket Error # 10061 Connection Refused.)

Ensure you provide the correct credentials for the target computer in the device settings and ensure the RPC Windows service is running. Also check your WMI configuration (see this article about WMI).


(3) Could not connect to the remote registry service of the target device. Make sure the service is running and the Windows credentials are correct. (code: PE255)

Ensure you provide the correct credentials for the target computer in the device settings and enable the Remote Registry Windows service (see above).


(4) No Response (check: […]) (SNMP error # -2003)

Check your SNMP configuration. See this article about SNMP for basic requirements.


(5) Socket Error # 11001 Host not found.

The device is not available. Resume the device and check its IP address/DNS name in the device settings.


(6) 80070005: Access is denied.

Ensure you provide the correct credentials for the target computer in the device settings.


(7) Metascan Timeout.

This is a WMI timeout and occurs if the WMI connection cannot be established for several minutes. Please check your WMI configuration and especially consider the WMI settings on the target computer.


(8) 80041003: The current user does not have permission to perform the action.

Please check the access rights of the user account with which you run the PRTG probe service. We recommend that you run the PRTG probe service with admin permissions.


(9) Could not validate sensor preconditions.

Ensure you provide the correct credentials for the target computer in the device settings.


(10) 80041001: The call failed.

Please check your WMI configuration and see also this article in the Microsoft Knowledge Base.


(11) 800706BA: The RPC server is unavailable

Please restart the target device and (re-)run Windows Update. See the Microsoft article Windows Update error 800706BA for details.


(12) Error: Could not access in 32 bit Registry –or– Error: Could not access in 64 bit Registry

If the target device is the same machine on which the probe runs, please use localhost, 127.0.0.1 (IPv4), or ::1 (IPv6) as address for the target device instead of the DNS name.


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Created on Feb 19, 2016 1:08:16 PM by  Gerald Schoch [Paessler Support]

Last change on Sep 12, 2017 5:36:13 PM by  Gerald Schoch [Paessler Support]



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If you are like me and mostly monitor Linux servers and Networking equipment, you will find that the only useful System Information Panel is "System". You will also see that some of the longer strings of text gets cut off which is really annoying.

A little bit of a hack but it works non the less. (Keep in mind that a PRTG update will clear this).

If you want to have all your panels on top of each other with no cutting off of text then do this:

Go to your PRTG directory and open the file

  • \PRTG Network Monitor\webroot\controls\sysinfo.htm. At your <div class="panel panel-grid wrap-panel sysinfo-panel"> line, just remove the panel class.

Then for each panel, remove sad face image: <img src='/images/no_data.svg'> as well as the prtg-sysinfo class value.

The next step is for Paessler to augment this feature to get information from non-windows devices or to allow us to customize the interface.

Getting a Linux PS AUX list will be a fantastic feature.

Created on Jun 2, 2016 11:01:41 AM by  Matthew Clark (61) 2



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How often PRTG does System Information data update?

Created on Jun 7, 2016 8:12:32 PM by  Tomasz (120) 1 1



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Hi Tomasz,

PRTG retrieves system information for each table once every 24 hours and after server restarts. The tables Users, Services, and Processes refresh automatically every time you open the System Information tab. You can also manually update the tables.

See also: PRTG Manual: System Information

Regards,

Created on Jun 8, 2016 10:22:14 AM by  Gerald Schoch [Paessler Support]



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PRTG stands for Paessler Router & Traffic Grapher. Seem reasonable to expect cisco & juniper routers & switches to have this feature work. Instead, just the system tab works. Would love to have SNMP inventory built in for both HW & SW.

Created on Jul 26, 2016 3:13:26 PM by  wschulze (10)



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Hello wschulze,

Please note that this is the first, basic version of the "System Information" feature. As we do with all features, we will evaluate how you, the customers, use it and which additional functionalities you desire. We collect your feedback, and based on this feedback we can decide about new possibilities and options for "System Information".

So, your feedback is counted!

Best,

Created on Jul 27, 2016 4:03:51 PM by  Gerald Schoch [Paessler Support]



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Is it possible to disable it? I didn't like the idea of exposing my user accounts there...

Created on Aug 21, 2016 9:42:48 AM by  navossoc (0)



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Hello

In order to disable system information on all devices, go to the root group settings (On the Root group's overview page, click on the Settings tab to change settings) and disable "System Information" in the section "ADVANCED NETWORK ANALYSIS".

Created on Aug 22, 2016 1:18:06 PM by  Jochen Greger [Paessler Support]



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Hello.

Is there or you can create any type of report showing me all this information?

Thank you

Created on Oct 28, 2016 8:15:57 AM by  Elvira Soto Arjona (150) 1 1



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Hello,

PRTG stores system information results in the \System Information Database subdirectory of your PRTG data folder. The files are available in JSON format.

Created on Oct 28, 2016 1:30:06 PM by  Jochen Greger [Paessler Support]



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Hi,

if the "PRTG retrieves system information for each table once every 24 hours and after server restarts." then how come even on the local probe device I can see something like: "Hardware liegt 6 Tg. 14 Std. 57 Min. zurück", same for the Software TAB and for System. If I click on refresh, it does retrieve new information...

I just would like to have information like Serial numbers etc. of a broken device (which will not be available for SNMP refresh while being broken.. ;)). Best would be to have this also available in Notifications via %placeholders%

KR Lars

Created on Dec 7, 2016 9:58:22 AM by  Lars (1,150) 2 1



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Dear Lars

Notifying based on the System Information, or pulling data from it for notifications is not something we are planning in the foreseeable future. While we see the usefulness, we are having many features on our lists which we consider much more important.

Some data of the system information can be extracted via the API, though this is not documented as many things still can change. An example call looks like

/api/table.csv?id=40&content=sysinfo&category=hardware&columns=_displayname,_class,_caption

You might want to look into the folder C:\ProgramData\Paessler\PRTG Network Monitor\System Information Database.

You find several subfolders, containing files. Despite their file extension, the content is actually a JSON. This could be useful if you want to extract system information data gathered by PRTG.

The file names use the device object ID. You can use the PRTG API to generate a list of devices, showing name and object ID. An example call looks like

/api/table.json?id=0&content=devices&columns=objid,name

Created on Dec 8, 2016 3:48:07 PM by  Arne Seifert [Paessler Support]



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Hi Arne,

thanks for the information. Although you didn't really react to the question, why the data is not being automatically updated every 24 hours..

KR Lars

Created on Dec 20, 2016 11:19:43 AM by  Lars (1,150) 2 1



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Dear Lars

Please check if you disabled the System Information for that branch of the object tree (Settings / Advanced Network Analysis).

Created on Dec 20, 2016 1:24:41 PM by  Arne Seifert [Paessler Support]



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Hello Arne, I've double-checked that System Information is enabled right along the subtree from top to my device and yes: It is! But unforunately the the tab says in the panel "System" "liegt 195 Tg. zurück" (195 days ago). That is what Lars asked for: How to regularily update this panel (or complete tab "System Information")?

Created on Jan 6, 2017 7:00:01 AM by  SecPRTG (50) 1



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Dear SecPRTG

In this case, please check if you are using the most recent PRTG version. If that one still does not update the system information within the next 24 hours, please contact support@paessler.com.

Created on Jan 6, 2017 12:35:37 PM by  Arne Seifert [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.