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After an Windows 10 update, my Hyper-V virtual machines, did not have a working internet connection.

To fix this problem I had to:

– Shutdown all virtual machines

– Remove all network adapters of all virtual machines

– Remove all virtual switches in Hyper-V

– Reboot host

– Create new virtual switch

– Add network adapters that use the new virtual switch to all virtual machines

– Reboot the host

– Start virtual machines

After these steps my virtual machines were running with working internet connections.