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hyper-v 2012 r2 network adapters

Posted on 2013-12-24
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Last Modified: 2016-11-23
It seems I have created a mess with my network adapters in HyperV. This is a Dell server with two NICs

I have installed Hyper-v 2012 R2. I installed the first guest machine. All is well except for networking.

I have gone into Virtual switch management on the guest and added a virtual switch.  I couldn't get it to show up in the guest settings so I created another one. This also does not show up.

The network adapter on the guest settings shows Not Connected.  The network connections in the host OS (2012 R2)  shows two Hyper-v network adapters and they  both show "unplugged"

On the host, I have two NICs both enabled. When I look at the status in Network Connections, both show not connected. In properties, the only thing checked is "HyperV Extensible virtual switch.

There are also two Virtual Switches (ones I created previously) One has a DHCP address and the other has a 169 address. The physical connects on the two nics are plugged into the same network.

I need to get network adapters working  in the VM and clean up any mess I made of it.
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Question by:ajdratch
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Author Comment

by:ajdratch
ID: 39738558
I meant to add that I cannot find where to delete the adapters I have created so I can start over
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Brad Held earned 500 total points
ID: 39738582
I would start from scratch -
Delete all virtual switches
Update all device drivers and firmware from Dell's Support site

Then the next question would be to figure out how you want the environment to look after your done -

Option 1: Generally I would recommend using one nic for the host and one nic for the vm's which is do able if your only running 2 vms -
Statically set the host adapter up and then verify network connectivity
Create the virtual adapter and assign to Nic2, uncheck the box that says share with host - make that an external vswitch

Option 2: Create a team first - Active/Active Load balance, algorithm Hyper-V, Create the vswitch to the teamed adapter, verify that share with host is enabled
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Author Closing Comment

by:ajdratch
ID: 39738622
I uninstalled hyper-v and reinstalled. This time the network adapters were correct and all is working
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