What is this?

This knowledgebase contains questions and answers about PRTG Network Monitor and network monitoring in general.

Learn more

PRTG Network Monitor

Intuitive to Use. Easy to manage.
More than 500,000 users rely on Paessler PRTG every day. Find out how you can reduce cost, increase QoS and ease planning, as well.

Free Download

Top Tags

View all Tags

WMI Network Card - (Error MSG : 80041010: The specified class is not valid.)



when i want to add [WMI Network Card] Sensor for a specific Server (Win2003), i recieve that (above) Error. while i can add all Other WMI Sensors for that Server...


error prtg wmi

Created on Jan 12, 2012 7:12:32 AM

1 Reply



This means that for this one particular host, the necessary WMI Class is not available or broken. Please have a look at our WMI Troubleshooting-Articles: My WMI sensors don't work. What can I do? and The Repair List for WMI problems.

Created on Jan 12, 2012 2:06:33 PM by  Patrick Hutter [Paessler Support] (7,225) 3 3

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.