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WMI not working

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Hi There I have recently installed PRTG and been struggling to get WMI working properly. A brief description of the environment: I have multiple servers in a workgroup, not a domain, on Vmware virtual environment. Servers are split across 3 DMZ's and all traffic strictly controlled via firewall rules. PRTG installed on a server within "Zone 1", Virtual server. In general I use SNMP, however i need to monitor some windows services. WMI Tester are able to communicate with the server and standard WMI sensors such as WMI UTC Time works, however when trying to add a "WMI service" sensor in PRTG I get an error "80041003: The current user does not have permission to perform the action".

access-rights windows-services wmi-service

Created on Jun 28, 2016 7:09:10 AM by  Hein Groenewald (0) 1



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Hi Hein,

We experienced similar issues while trying to monitor the Windows Service Sensor with a non-administrative user account. Did you already try to use a user who is member of

  • The local administrator group on the probe as well as on the target device
  • The DCOM user group
  • The Performance Monitoring group

Best regards, Felix

Created on Jun 28, 2016 12:19:08 PM by  Felix Saure [Paessler Support]



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Thanks for the reply Felix, All of the above i have tried as they are part of the trouble shooting guide that i found in the forums. What puzzles me is that some WMI sensors does work. The account i use is the Administrator account.

Created on Jun 28, 2016 12:25:08 PM by  Hein Groenewald (0) 1



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Hi Hein,

It appears that some WMI classes require explicit access rights - it's really tough to say which exactly and where to set them due to a lack of the documentation of WMI. I can only recommend to go through this article step by step and enter the user to every setting until the user is allowed to query the information.

Best regards, Felix

Created on Jun 29, 2016 12:29:24 PM by  Felix Saure [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.