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Failed while adding virtual Ethernet switch

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Well you know bad things happen right before you make a presentation.  I have no idea how this happened.  Tomorrow I am presenting PowerShell Desired State Configuration to my Advanced PowerShell class.  I’m going through a test run of my code and I lose my external internet connection in my VMs.  I am unable to create a new external VM switch connected to my wireless NIC on my Windows 10 Pro client.  Here is my error:

Failed while adding virtual Ethernet switch connections. Ethernet Port (long guid) bind failed: Catastrophic failure (0x8000FFFF)

Not funny!!!!!  I went through a lot of documentation which did not work.  Here is my final solution. 

Open the Network and Sharing Center
Click Change Adapter Settings
Open the properties of your wireless network adapter.
Click the Sharing tab.
Check Allow other network and users to connect through this computer’s Internet Connection.
Click OK.
Open the properties of your wireless network adapter.
Click the Sharing tab.
Uncheck Allow other network and users to connect through this computer’s Internet Connection.
Now go ahead and create you external VM Switch in Hyper-V
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Comments

Balaz said…
Thank you for this.
October 13, 2016 at 2:15 PM
Jason Robert said…
Saved me a lot of time here. Thanks for sharing!
June 6, 2017 at 10:01 AM
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