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Why don't my Hyper-V sensors work after changing names?

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After renaming my virtual machine, network card, or disk resource name, PRTG shows a red "Down" sensor, indicating an error. But I am sure my devices are up and running. Why is an error message shown?

hyper-v virtual-machine vm wmi

Created on Feb 8, 2011 3:45:58 PM by Daniel Zobel [Paessler Support]

Last change on Dec 7, 2012 1:16:28 PM by Gerald Schoch [Paessler Support]



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We recommend to not rename VMs once you've set up monitoring.

However, after renaming a Hyper-V virtual machine, network card, or resource name, in order to monitor it again, please perform the following steps.

  1. Reboot your Hyper-V host server
  2. In PRTG, add the respective Hyper-V Virtual Machine, Hyper-V Virtual Network Adapter, and Hyper-V Cluster Shared Volume Disk Free sensors anew (previously collected historic data will not be available in the new sensor's tables and graphs)

Note: You cannot monitor virtual machines if their names contain unsupported characters. Especially, please make sure you do not use a hash sign ('#') in names.

Created on Feb 8, 2011 3:48:18 PM by Daniel Zobel [Paessler Support]

Last change on Dec 7, 2012 1:17:24 PM by Gerald Schoch [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.