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I create a virtual switch from the Hyper-V manager, then I set it as the Network adapter in the VM's settings.

In subsequent attempts, this happens:

  • The VM gets access to the internet, but the host OS doesn't


  • The host OS has internet access, but the VM doesn't.

That is, the host and guest don't get internet access simultaneously.

What can I do?

I did all the steps as indicated in: Here.

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You have to enable "Allow management operating system to share this network adapter". But it seems that there is a bug. If you create an external network connection with this check mark set then only your guests have internet connection. uncheck this feature, apply settings and than redo.

Check > Apply > uncheck > Apply > Check > Apply. I tried to get this working for several hours. Thanks microsoft for this bug.

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Did you set Allow management operating system to share this network adapter on the external nic?

Look at following screenshot from the link you provide

enter image description here

Check mark right below the network card drop down box.

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