Hyper-V Network Switch Default Miniport, HyperV PCI Server
Windows cannot load the device driver for this hardware. The driver may be corrupted or missing. (Code 39)
If you see a number of ‘hardware’ failures in Device Manager in your Virtual Machines. Specifically:
You can safely right click and uninstall the:
but the Hyper-V Network Switch Default Miniport will not go. Fortunately there is an easy fix for this. To resolve the ‘bang’ (yellow triangle) on the Hyper-V Network Switch Default Miniport, simply:
In my case, these failed devices appeared after upgrading a HyperV VM from version 5 to version 8 (Server 2016) but other processes will cause these issues too. This fix came from the Microsoft Partner Support forum I posted in a few days ago and you can read more details HERE if you care.
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