I am preparing to perform an in-place upgrade of Server 2008 R2 Standard to Server 2012 R2 Standard.
Hi,
why do you want to upgrade a system with only the Hypervisor on it in-place? My recommendation, install it fresh with new drivers and without old issues and Export/Import your VMs.
Before, proof your backups, start a validation Restore.
Be careful, look at the growing and the date of the AVHD files. You Can also merge them manually via powershell if it´s not possible via GUI.
bye,
Marcel
https://www.windowspro.de/marcel-kueppers
I write here only in private interest
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