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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. I am sure my devices are up and running.

Why do my Hyper-V sensors show an error message?

hyper-v prtg virtual-machine vm wmi

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

Last change on Aug 14, 2017 10:10:10 AM by Gerald Schoch [Paessler Support]



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This article applies to PRTG Network Monitor 17.4.36 or later

Hyper-V Sensors and Changing Names

We recommend that you do not rename VMs once you have set up monitoring.

If you have renamed a Hyper-V virtual machine, network card, or resource name, please perform the following steps to be able to monitor it again.

  1. Restart your Hyper-V host server.
  2. In PRTG, add the respective Hyper-V Virtual Machine, Hyper-V Virtual Network Adapter, Hyper-V Virtual Storage Device, 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, make sure you do not use a hash sign (#) in names. In general, UTF-8 characters are supported.

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

Last change on Nov 27, 2017 5:50:56 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.