“Generic failure” when creating virtual switch in Hyper-V Manager

You have installed Hyper-V from Windows Features but when you open Hyper-V Manager and try to create a Virtual Switch, you get the following error:

The operation on computer ‘DESKTOP-V1A0142’ failed: Generic failure

To solve this issue:

First thing to check is that the Hyper-V Extensible Virtual Switch is enabled in your NIC’s Properties:

If it’s missing then click the Install button and add it (located under Protocol):

Don’t forget to reboot!

 

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