Hyper-V Networking cannot get a list of virtual switches

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DenverProphitJr-7415 asked May 14, '22 DSPatrick answered May 15, '22

Hyper-V Networking cannot get a list of virtual switches

OS: Windows 10 Pro
Version: 10.0.19044 Build 19044

I get this from event viewer:

 - <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
 - <System>
   <Provider Name="Microsoft-Windows-Hyper-V-VMMS" Guid="{6066f867-7ca1-4418-85fd-36e3f9c0600c}" /> 
   <EventID>16000</EventID> 
   <Version>0</Version> 
   <Level>2</Level> 
   <Task>0</Task> 
   <Opcode>0</Opcode> 
   <Keywords>0x8000000000000000</Keywords> 
   <TimeCreated SystemTime="2022-05-14T16:16:32.5384341Z" /> 
   <EventRecordID>44474</EventRecordID> 
   <Correlation /> 
   <Execution ProcessID="1044" ThreadID="14060" /> 
   <Channel>Microsoft-Windows-Hyper-V-VMMS-Admin</Channel> 
   <Computer>DESKTOP-4MHDKBH</Computer> 
   <Security UserID="S-1-5-18" /> 
   </System>
 - <UserData>
 - <VmlEventLog xmlns="http://www.microsoft.com/Windows/Virtualization/Events">
   <ErrorMessage>%%2147500037</ErrorMessage> 
   <ErrorCode>0x80004005</ErrorCode> 
   </VmlEventLog>
   </UserData>
   </Event>

Things I have Tried:
- netcfg -d
- Reinstalling Hyper-v

In my Ethernet Adapter Options I get this error and hyper-v will not install!

windows-10-network windows-10-hyperv

hyper-v-network-switches.jpg (73.2 KiB)

network.jpg (155.0 KiB)

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Answer 1 · 2022-05-14T17:55:05.417Z

DSPatrick answered May 14, '22 DenverProphitJr-7415 edited May 14, '22

What operation are you trying to perform in last screenshot?

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DenverProphitJr-7415 · May 14 at 07:33 PM

Last screenshot was to attempt to install the hyper-v service into my ethernet adapter. It will not let me. It was attempt to try and solve the bigger issue. Hyper-v networking will not run.

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Answer 2 · 2022-05-14T19:40:43.827Z

DSPatrick answered May 14, '22 DenverProphitJr-7415 edited May 14, '22

That's what I suspected. Do not edit the properties of a vSwitch as this will break things. When you create a new external vSwitch the internet protocols are removed from the adapter and the Hyper-V Extensible Switch protocol is added turning that physical port into a multi-port virtual switch. Connect your VMs to this vSwitch and use each VM's vEthernet to configure the addressing in the exact same manner as if it were a physical NIC
https://blogs.technet.microsoft.com/jhoward/2008/06/17/hyper-v-what-are-the-uses-for-different-types-of-virtual-networks/

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DenverProphitJr-7415 · May 14 at 07:50 PM

I cannot even bring up the hyper-v network manager to look at switch values. Refer back to the event viewer output. I cannot even create new VM's. It says it's not connected and there are no options in the dropdown,

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network.jpg (64.4 KiB)

Answer 3 · 2022-05-14T19:59:23.777Z

DSPatrick answered May 14, '22 DenverProphitJr-7415 commented May 14, '22

May want to check with the vendor about support and or mobo setup for a type 1 hypervisor.

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DenverProphitJr-7415 · May 14 at 08:09 PM

It was a type 2. This was working once before. I cannot pinpoint what changed. Is there some way to erase or reset switches?

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DSPatrick DenverProphitJr-7415 · May 14 at 08:13 PM

Hyper-v is a type 1 hypervisor. You could try uninstalling the feature, reboot, reinstall it.

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DenverProphitJr-7415 DSPatrick · May 14 at 08:23 PM

Refer to original:

Things I have Tried:
- netcfg -d
- Reinstalling Hyper-v

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Answer 4 · 2022-05-14T20:29:06.72Z

DSPatrick answered May 14, '22 DenverProphitJr-7415 commented May 15, '22

I'd still check with the vendor about support and or mobo setup for a type 1 hypervisor, then I'd probably also clean install it, patch fully and try again.

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DenverProphitJr-7415 · May 14 at 09:21 PM

Vendor? Win10 Pro. Everything worked a few days ago.

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DSPatrick · May 15 at 12:12 PM

Just checking if there's any progress or updates?

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DenverProphitJr-7415 DSPatrick · May 15 at 06:03 PM

No. You really didn't offer a solution. Not sure who you think is my vendor? Microsoft? I'm very sure it's a registery setting somewhere that persist even after hyper-v is uninstalled to break hyper-v switch misconfiguration. I was using an external switch setting. Everything worked. I cannot even create a new VM, now. Because, networking will not work.

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Answer 5 · 2022-05-15T18:46:02.987Z

DSPatrick answered May 15, '22

Not sure who you think is my vendor?

This would be the pc manufacturer.

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