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Peter Smekal

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No Connections are Available - Windows Server 2012 R2 guest after registering to reinstalled Hyper-V host

After registering VM "in-place" at reinstalled Hyper-V server, the guest Windows Server 2012 R2 shows "no connections are available", even there is a network connection available, it does have IP address, it can connect to the internet...

Therefore none of the crucial services start up - I can only sign in via safe mode, as this is the domain controller...
Other VMs did register without any problem...

How to fix this network connection problem?
Avatar of Ajay Chanana
Ajay Chanana
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we need to know if you has standard switch or dv switch installed. one you reinstall all configurtion is lost  you need to create switch and respective vmk port to have this working.

on dvswitch host need to add back to dvswitch.
Avatar of Peter Smekal
Peter Smekal

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Hi, Ajay.

Thanks for reaction - however I thought the dvswitch and vmk ports are related to VMWare technology - am I mistaken?
Anyway, this is a very simple environment, so just a standard virtual switch was used, no special settings, no VLANs, no MAC spoofing, etc.

Will this help?
Would you be willing to take a look?

Thanks.
Do you have any ghosted network adapters left over from importing the VM?  I'd check device manager:  
Open Command Prompt as Administrator
Type "set devmgr_show_nonpresent_devices=1", and then press ENTER.
Type DEVMGMT.MSC, and then press ENTER.
Click View, and then click Show Hidden Devices.
Expand the Network Adapters tree.
Right-click any transparent network adapters, and then click Uninstall.
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Peter Smekal

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Accept: Peter Smekal (https:#a42338635)

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